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Preparedness - Knowledge Base

🛡️ Preparedness Knowledge Base – Ohm Hut
WATER FOOD POWER COMMS MESH SECURITY EMP VEHICLES MEDICAL
📍
LOCATION SET

💧 Water — Storage, Purification & Safety

📍 LOCAL PREPAREDNESS INFO — YOUR AREA
PRIORITY #1 — 3 DAYS WITHOUT WATER = DEATH
NOAA WX: 162.400–162.550 MHz
HOT CLIMATE MULTIPLIER: UP TO 2×

The human body can survive approximately 3 weeks without food but only 3 days without water. In extreme summer heat, that window shrinks to 24 hours. Water is always the first priority in any preparedness plan.

⚠️ During major winter storms and hurricanes, millions of people lose running water for days or weeks. A 2-week water reserve can be the difference between manageable and catastrophic.

📐 Daily Water Requirements

Person / UseMinimum/DayHot ClimateHard LaborNotes
Adult (drinking)0.5 gal0.75 gal1+ gal/hrIncrease 50–100% in heat
Adult (sanitation/cooking)0.5 gal0.5 gal0.5 galDishes, hygiene, cooking
Child (under 12)0.35 gal0.5 gal0.5 galMonitor closely in heat
Dog (medium)0.25 gal0.4 gal0.5 galPer 30 lbs body weight
Cat0.1 gal0.15 gal—Typically from food moisture

🪣 Storage Options

55-Gallon HDPE Barrels
BEST VALUE

Food-grade, dark blue or black only. Store on wood pallets — not concrete. $30–60 per barrel. Fill with WaterPreserver for 5-year life.

  • 55 gal = ~27 person-days at 2 gal/day
  • Hand pump required to access water
  • Rotate every 12 months without preserver
WaterBOB Bathtub Bladder
EMERGENCY USE

100-gallon bladder that fills in your bathtub before a storm. Fills from tap in ~20 minutes. $35. One-time use only — keep sealed until needed.

  • Best emergency purchase for renters
  • Keeps water clean vs open tub
  • No pump needed — gravity siphon included
5-Gallon Stackable Jugs
PORTABLE

Most flexible option. Easy to rotate, transport, and share. Look for Reliance Aqua-Tainer or Scepter. Stack up to 3 high. $10–15 each.

  • Label with fill date and water source
  • Blue or opaque only — never clear
  • Replace if cracked, cloudy, or odored
Underground Cistern
LONG-TERM

500–5,000 gallon buried poly tanks. Stays cool, hidden, frost-proof. Ideal for rural properties. Requires pump. $500–$3,000+.

  • Best long-term rural solution
  • Connect to rainwater collection for recharge
  • Filter and treat before drinking

🔬 Purification Methods

MethodBacteriaVirusesChemicalsCostNotes
Boiling (1 min rolling)✓ 99.99%✓ 99.99%✗FreeBest method when fuel available. 3 min at altitude >6,500 ft
Bleach (unscented 6%)✓✓✗<$1/yr8 drops/gal clear water, 16 drops cloudy. Wait 30 min
Berkey Gravity Filter✓✓✓ (add-on)$250–400Best countertop system. No power needed. 3,000+ gal/element
Sawyer Squeeze / Mini✓✗✗$25–400.1 micron. Pair with iodine for viruses
Iodine Tablets✓✓✗$8/50 tabsNot for pregnant women. Backup only
SteriPen UV✓✓✗$50–100Fast 60–90 sec/L. Requires batteries. Clear water only
Reverse Osmosis✓✓✓$150–400Under-sink system. Requires water pressure

💧 Alternative Water Sources

Overlooked Home Sources
  • Water heater tank — 40–80 gallons, ready to drink
  • Toilet tank (NOT bowl) — clean water as-is
  • Ice cubes in freezer — melt as needed
  • Canned goods liquid — consume it
  • Swimming pool — sanitation only until treated
Rainwater Collection

Legal in most US states. 1 inch of rain on 1,000 sq ft roof yields approximately 600 gallons.

Gallons = Roof Sq Ft × Rainfall (in) × 0.623
  • First flush diverter prevents contamination
  • Filter and treat before drinking
  • Fine mesh screens keep mosquitoes out

🥫 Food Storage — Long-Term & Rotation

TARGET: 90-DAY SUPPLY FOR EVERY PERSON
CALORIES: 2,000/DAY MINIMUM
HEAT & MOISTURE ARE THE ENEMY

Focus on foods your family already eats. Exotic freeze-dried meals no one touches will rot in a bucket. The best preparedness food is the food you're already rotating through your pantry, simply stored in greater quantity.

🏆 Best Long-Term Storage Foods

FoodShelf LifeCal/lbStorageNotes
White Rice (sealed)25–30 yrs1,640Mylar + O2 absorberMost efficient calorie storage per dollar
Dried Beans / Lentils25–30 yrs1,550Mylar + O2 absorberCritical protein. Harder to cook after 5+ yrs
Hard Red Wheat Berries30+ yrs1,500Mylar + O2 absorberRequires grain mill — buy one ($100+)
HoneyIndefinite1,380Any sealed containerNever expires. Antimicrobial. Wound treatment
SaltIndefinite—Any dry containerEssential for preservation. Mineral needs
White SugarIndefinite1,750Sealed bucketIndefinite if kept dry and sealed
Canned Meat (tuna, chicken)3–5 yrs500Cool, dark locationRotate frequently. Easy prep, no cooking
Canned Vegetables/Fruit3–7 yrs300–600Cool, dark locationWatch sodium levels in canned veggies
Freeze-Dried Meals25 yrs400–600Any cool locationMountain House, Augason Farms. Just add water
Cooking Oil2–4 yrs3,500Cool, darkHighest calorie density. Coconut oil longest-lasting
Oats (rolled)30 yrs (sealed)1,750Mylar + O2 absorberVersatile, fast to cook, good protein
Pasta25–30 yrs1,680Mylar + O2 absorberHigh morale food — easy to cook

📦 Mylar Bag Sealing — The Right Way

Step-by-Step Mylar Bag Sealing Process ▶
  1. Use 5-gallon food-grade HDPE buckets + 5-gallon Mylar bags (4–7 mil thickness)
  2. Fill Mylar bag inside bucket — leave 2–3 inches at top
  3. Add appropriate O2 absorbers: 300cc per gallon of grain, 500cc per gallon of legumes
  4. Squeeze out as much air as possible by hand
  5. Seal with a flat iron hair straightener ($15 at Walmart) across the top in one smooth pass
  6. Leave 1 inch unsealed, press remaining air out through that gap, then seal completely
  7. Label bucket: CONTENTS · DATE SEALED · QUANTITY · CALORIES
  8. Snap on bucket lid; store in a cool, dark, dry location under 70°F
💡 O2 absorbers will make the bag shrink and harden around the food over 24–48 hours — this is correct and expected. If a bag stays puffy after 72 hours, the seal failed; re-seal.

🍽️ 30-Day Pantry Rotation System

The FIFO Method

First In, First Out. New purchases go behind existing stock. You always consume from the front (oldest). Simple shelving with labels eliminates waste entirely.

  • Label every can with month/year of purchase
  • Build a simple "can rotator" from wood ($20 materials)
  • Set a quarterly reminder to audit dates
What to Store First (Priority Order)
  1. Water (Week 1)
  2. Canned goods your family eats (Week 2)
  3. Grains in Mylar (Month 1)
  4. Beans and legumes (Month 2)
  5. Freeze-dried proteins (Month 3)
  6. Supplemental vitamins and comfort foods
Nutrition Gaps to Fill
  • Multi-vitamins — 90-day supply per person
  • Vitamin C — prevents scurvy after 4–6 weeks without fresh produce
  • Salt, cooking oil, fats — critical for sustained calorie needs
  • Comfort foods (coffee, chocolate, hard candy) — massive morale factor
  • Infant formula, special diet needs — stock now before need

⚡ Power — Solar, Generators & Battery Backup

💡 Grid-down power strategy: meet your critical needs first (communications, refrigeration of critical meds, lighting, charging devices), not your comfort needs. Size your system around survival, not convenience.

☀️ Solar Power Stations (Portable)

EcoFlow Delta Pro (3.6 kWh)
BEST WHOLE-HOME BACKUP

3,600Wh capacity. Powers a refrigerator for 36+ hours, CPAP machine indefinitely with solar recharge. X-Stream 1,800W AC charging — from 0 to 80% in 1.8 hours.

  • Runs full-size refrigerator, TV, fans, phones, radio
  • Expandable to 25 kWh with extra batteries
  • Integrates with solar panels — ~$3,000
Jackery Explorer 1000 Pro
BEST MID-RANGE

1,002Wh. Enough for 3–5 days of critical device charging plus fans and lighting. Charges to 80% in 2 hours. ~$1,000 with 200W solar panel bundle.

  • Powers phone 80+ times, laptop 10+ times
  • 12V car outlet, USB-C 100W, AC outlets
  • Quiet — no exhaust, no fuel
Goal Zero Yeti 500X
BUDGET STARTER

505Wh. Entry-level solar power station for comms, lighting, and device charging. ~$500. Pairs with 100W Nomad panel.

  • Phone charges 40+×, LED lights for weeks
  • Good for communications station power
  • Lightweight and portable (12.9 lbs)
100W Portable Solar Panels
CRITICAL RECHARGE

Without solar input, every battery station is finite. Panels allow indefinite operation. Look for folding ETFE panels (Renogy, EcoFlow, Jackery).

  • Pair: 200W panel + 1,000Wh station = self-sufficient
  • Monocrystalline > polycrystalline efficiency
  • Tilt toward south, 30–45° for best output

🔋 Gasoline Generators

⚠️ NEVER run a gasoline generator indoors, in a garage, or within 20 feet of an open window. Carbon monoxide kills within minutes. A CO detector with battery backup is mandatory when using any combustion generator.
Honda EU2200i (Inverter)
BEST QUIET GENERATOR

2,200 watts, 48–57 dB noise level (near silent). Parallel-capable — link two units for 4,400W. Extremely fuel-efficient. 8.1 hours on 1 gallon at 25% load. About $1,100.

Champion 3500W Dual Fuel
BEST VALUE

Runs on gasoline or propane. Propane stores indefinitely (vs. gasoline which degrades in 6–12 months). About $400. 9 hours on 3.4 gallons gasoline or 10.5 hours on 1 propane tank.

💡 Add Sta-Bil fuel stabilizer to all stored gasoline — extends shelf life from 3 months to 12–24 months. Rotate fuel stock every 6 months regardless.

📻 Radios & Communications

PHONES FAIL IN DISASTERS — ALWAYS
NOAA ALL-HAZARDS: 162.400–162.550 MHz
GMRS LICENSE: $35 / 10 YEARS

Cell towers fail within 72 hours of a major grid-down event due to fuel exhaustion at backup generators. Your smartphone becomes a paperweight. Radio — the technology developed over 100 years — is the backbone of all emergency communications worldwide.

📡 Radio Hierarchy — Which Type for What

Radio TypeRangeLicenseCostBest Use
FRS (Family Radio Service)0.5–2 miNone$25–80/pairShort-range family/neighborhood comms
GMRS (General Mobile Radio)1–5 mi (25+ mi via repeater)$35/10 yr$50–300Best prepper choice — family license covers all members
CB Radio (27 MHz)1–10 mi (skip to 100s of mi)None$30–150Vehicle comms, trucker network, long-range skip
HAM — Technician (VHF/UHF)5–50 mi (200+ mi via repeater)FCC exam$25–300Local/regional emergency nets; ARES/RACES
HAM — General/Extra (HF)WorldwideFCC exam$200–2,000Continental and international grid-down comms
MURS (150 MHz)1–3 miNone$40–150Business-band alternative; less congested
Satellite (Garmin inReach)WorldwideSubscription$350 + $15/moTwo-way text when all else fails

🔑 Key Frequencies — Memorize These

NOAA
162.400
NOAA Weather #1
Primary nationwide. Monitor 24/7 during any event
NOAA
162.550
NOAA Weather #2
Houston/coastal TX primary; major metro station
GMRS
462.675
GMRS CH 20 — National Calling
Default emergency / calling channel for GMRS
GMRS
462.5625
GMRS CH 1
Neighborhood primary; program your group here
HAM
146.520
2m Simplex Calling
Nationwide HAM 2-meter simplex emergency calling
HAM
446.000
70cm Simplex Calling
UHF simplex calling frequency
HAM
7.200–7.300
40m LSB — Day Net
Daytime regional HF. Best for 100–500 mile comms
HAM
14.300
20m USB — Maritime Mobile
International emergency net. Worldwide range at night
CB
27.185 (CH 19)
CB Channel 19 — Highway
Trucker channel. Road condition intel during disasters
CB
27.065 (CH 9)
CB Channel 9 — Emergency
National CB emergency channel. REACT monitoring
FRS
462.5625
FRS CH 1
Most common FRS channel. Short-range family
HAM
3.818
ARRL 80m Emergency
80m regional emergency. Best nighttime short-skip

📻 Recommended Radios — Best Buys

Baofeng UV-5R — $25
BEST BUDGET DUAL-BAND

Covers VHF 136–174 MHz and UHF 400–520 MHz. Receives NOAA weather. Transmits on GMRS, MURS, HAM (with license). Essential backup radio — buy several.

  • Replace stock antenna with Nagoya NA-771 ($12)
  • Squelch 5, Roger Beep OFF, VOX OFF
  • Program with CHIRP software (free)
Midland GXT1000 GMRS — $50/pair
BEST FAMILY GMRS

22 channels, 50-channel weather scan, NOAA alerts, 36-mile theoretical range (realistic 3–5 miles). No programming needed — plug and play for non-technical users.

  • Waterproof (JIS4 rated)
  • iVOX hands-free option
  • Includes desktop charger
Wouxun KG-1000G GMRS
BEST MOBILE GMRS

Vehicle-mount GMRS radio with 10W output. Connects to external antenna on roof for true 10–25 mile range. About $200. The single best upgrade for vehicle comms.

  • Full GMRS band including repeater channels
  • Works with existing GMRS repeater network
  • Detachable head unit for flexible mounting
Icom IC-7300 HF (HAM)
BEST HF BASE STATION

The gold standard entry-level HF transceiver. Worldwide reach, built-in waterfall display, excellent receiver. About $950. With General or Extra license, provides global communication capability.

  • 160m–10m + 6m coverage
  • 100W output power
  • Pairs with end-fed half-wave antenna ($80)
Grundig Mini 400 / Tecsun PL-880
RECEIVE-ONLY · NO LICENSE

Shortwave receiver only. Listen to international broadcasts, weather, maritime, and emergency traffic worldwide. No license required — receive only. $30–200.

  • Critical for monitoring during grid-down
  • AM/FM/SW/SSB modes
  • Run on AA batteries indefinitely
Garmin inReach Mini 2
SATELLITE — ANYWHERE

Two-way satellite messenger. Works everywhere on earth. Send/receive messages when all other comms fail. $350 + $15/mo basic plan. The ultimate last-resort communicator.

  • SOS button with global rescue coordination
  • Weather forecasts anywhere on earth
  • MapShare for family tracking

🔤 NATO Phonetic Alphabet

AAlpha
BBravo
CCharlie
DDelta
EEcho
FFoxtrot
GGolf
HHotel
IIndia
JJuliet
KKilo
LLima
MMike
NNovember
OOscar
PPapa
QQuebec
RRomeo
SSierra
TTango
UUniform
VVictor
WWhiskey
XX-ray
YYankee
ZZulu

📋 Operating Protocol

Proper Transmission Etiquette ▶
  • Listen before transmitting — wait 2 seconds after channel clears
  • State your call sign at the start and end of each transmission (legal on licensed bands)
  • Keep transmissions under 30 seconds; pause to allow others to break in
  • Press PTT, pause 1 second, then speak — avoids clipping first word
  • Use BREAK BREAK BREAK to interrupt for an emergency
  • End transmissions with "Over" (your turn), "Out" (conversation ended), "Roger" (understood)
Baofeng UV-5R Quick Setup ▶
VOXOFF — causes accidental keying
Squelch5 — balanced noise/sensitivity
Roger BeepOFF — unprofessional
CTCSS/DCSMatch repeater PL tone
Dual WatchON — monitor 2 channels
High PowerON — always use maximum (8W)

🕸️ Mesh Networks — Meshtastic & MeshCore

📡 MESH NETWORKS are decentralized, infrastructure-free communication systems. Every device is both a user and a relay. No towers, no internet, no subscriptions — just nodes talking to nodes across miles of range.
NO INTERNET REQUIRED
LoRa RANGE: 1–30 MILES PER NODE
WORKS COMPLETELY OFF-GRID

🕸️ What Is a Mesh Network?

A mesh network is a group of radio nodes that relay messages to each other automatically. You send a message on your device, it hops from node to node across the mesh, and arrives at its destination — potentially miles away — without any central infrastructure. In a grid-down scenario where cell towers are dead, internet is gone, and repeaters may be offline, a mesh network keeps your community connected.

HOW A MESH NETWORK RELAYS MESSAGES
📱 YOUR PHONE → 📡 NODE 1 → 📡 NODE 2 → 📡 NODE 3 (hilltop) → 📱 DESTINATION
Each hop adds ~1–15 miles depending on terrain and node placement

📱 Meshtastic — Open Source LoRa Mesh

Meshtastic is a free, open-source project that turns inexpensive LoRa radio hardware into a powerful mesh communication network. It's the most widely deployed amateur mesh network system in the world. You install the Meshtastic firmware on a hardware device ($20–60), pair it with your phone via Bluetooth, and you instantly have encrypted off-grid text messaging.

How Meshtastic Works
  • Uses LoRa (Long Range) radio technology in the 915 MHz band (US)
  • Messages are encrypted by default (AES-256)
  • Messages hop through up to 7 relay nodes to reach destination
  • Phone app (iOS + Android) connects via Bluetooth to your node
  • No subscription, no account, no internet ever required
  • Supports text messages, GPS location sharing, and telemetry data
Best Meshtastic Hardware
LILYGO T-Beam$35 — Built-in GPS, 18650 battery slot, 1W LoRa. Best all-in-one node. Most popular choice.
Heltec V3$20 — Compact with OLED display. Good portable/pocket node. No GPS (add external $10 module).
RAK WisBlock$40–70 — Modular industrial quality. Best for solar-powered permanent nodes.
Seeed SenseCAP Card$65 — Credit card size. Discreet carry node with 2-week battery life.
Real-World Range (Meshtastic)
ScenarioRange
Urban pocket-to-pocket0.5–2 miles
Suburban (2-story houses)2–5 miles
Rural open terrain5–15 miles
Node on a hilltop/roof15–30+ miles
Multi-hop through 3 nodesUp to 90 miles
Setting Up Your First Mesh
  1. Purchase T-Beam or Heltec V3 hardware
  2. Flash Meshtastic firmware via meshtastic.org/docs
  3. Install Meshtastic app (iOS or Android) — free
  4. Pair via Bluetooth, set your region to US (915 MHz)
  5. Set a device name and your group's channel/encryption key
  6. Place highest node on your roof, attic, or a hill
  7. Share your channel QR code with neighbors you trust
Meshtastic Channels

Create a custom encrypted channel for your group. Share the QR code only with trusted members. Others with Meshtastic can use the same mesh as relay nodes but cannot read your encrypted channel messages.

  • Default channel is public — create a private group channel
  • Use PRIMARY channel for group comms
  • Use SECONDARY channels for different working groups
  • Channel settings: Long_Fast preset (best range/speed balance)
Solar-Powered Repeater Node

A Meshtastic node placed high (roof, tower, hill) and powered by a small solar panel dramatically extends mesh coverage for your entire neighborhood.

  • 10W solar panel + 18650 battery bank = self-sustaining node
  • Use T-Beam or RAK WisBlock in weatherproof box (IP67 case, $15)
  • Attach directional Yagi or high-gain omni antenna
  • 3 dBi stock antenna → 6 dBi upgrade = double the coverage radius

🔐 MeshCore — Alternative Mesh Platform

MeshCore is a newer, alternative LoRa mesh firmware (open source) focused on resilience, repeatability, and a different routing protocol. Where Meshtastic uses flooding (every node rebroadcasts), MeshCore uses a more selective relay approach that reduces channel congestion in dense deployments.

MeshCore vs. Meshtastic
FeatureMeshtasticMeshCore
MaturityVery mature, huge communityNewer, active dev
RoutingFlood-basedSelective relay
Dense meshCan congestBetter in crowds
HardwareWide varietyGrowing selection
CommunityMassive, worldwideSmaller, focused
Phone appPolished iOS+AndroidAvailable, newer
DocumentationExcellentGood, improving
Recommendation

For most preppers: start with Meshtastic. The community, documentation, and app quality are superior. Once you understand the ecosystem, MeshCore is worth exploring for a larger neighborhood deployment where channel congestion becomes an issue (10+ nodes in close proximity).

  • Both use same LoRa hardware — firmware is interchangeable
  • Meshtastic for small groups / individual use
  • MeshCore for community-scale deployments
  • Both can coexist — they just can't talk to each other

🏗️ Building a Neighborhood Mesh Network

Phased Rollout Plan for Your Neighborhood ▶
Phase 1 — Core Nodes (Week 1)
  1. You acquire 3 T-Beam nodes
  2. Flash Meshtastic, create your private channel
  3. Place one on your roof (highest point)
  4. Keep one as your carry device
  5. Give one to your most trusted neighbor
Phase 2 — Expand (Month 1)
  1. Identify neighbors willing to participate — offer to buy them a node ($35)
  2. Place a solar-powered relay on the highest point in your neighborhood
  3. Aim for one node every 3–5 houses minimum
  4. Print QR codes for channel on laminated cards
Phase 3 — Hardened Network
  1. Add 3 dBi+ antennas to all stationary nodes
  2. Establish a solar + battery redundant repeater
  3. Connect with neighboring mesh networks in your city
  4. Monitor meshtastic.org map to see existing nodes near you

🔗 Mesh + Radio Integration

ℹ️ Meshtastic and traditional radio aren't competing — they complement each other. Use mesh for group text coordination and location sharing. Use voice radio (GMRS, HAM) for real-time spoken comms. Together they cover every scenario.
Text/DataMeshtastic mesh — encrypted group chat, GPS sharing, silent comms
VoiceGMRS or HAM VHF — real-time spoken communication and coordination
WeatherNOAA weather radio — receive-only emergency broadcasts 24/7
RegionalHAM HF — regional/national comms for major disasters affecting large areas
Last ResortGarmin inReach satellite — two-way comms when all local infrastructure is gone

⚡ EMP Protection — Faraday Cages & Electronics Hardening

⚠️ An Electromagnetic Pulse (EMP) — whether from a nuclear detonation at altitude, a solar coronal mass ejection (CME/Carrington-class event), or a directed EMP weapon — can permanently destroy unprotected electronics across thousands of square miles in microseconds. Unlike most disasters, there is no warning.

⚡ Understanding EMP Threats

Nuclear EMP (HEMP)
WORST CASE · UNLIKELY

A nuclear warhead detonated 25–250 miles above the US generates a 3-pulse EMP covering the entire continental US. E1 pulse (nanoseconds) destroys semiconductors. E3 pulse (seconds) collapses the power grid. No warning time.

  • E1: destroys transistors, ICs, microprocessors
  • E2: like a lightning strike (manageable)
  • E3: induces current in power lines, transformers
Solar CME (Geomagnetic Storm)
MORE LIKELY · SLOWER ONSET

A Carrington-class solar event (1859) or X-40+ solar flare can induce massive currents in the power grid and long electrical conductors. The 1989 Quebec blackout was caused by a minor CME — the grid was down for 9 hours.

  • NOAA Space Weather issues alerts hours to days before impact
  • Risk is primarily to the power grid and long transmission lines
  • Individual consumer electronics at lower risk than grid infrastructure
  • Monitor: spaceweather.com or NOAA's Space Weather Prediction Center
What Electronics Are at Risk
  • Modern vehicles with engine control modules (ECMs) — 1980s and newer
  • Smartphones, tablets, computers — all solid-state electronics
  • Solar charge controllers, inverters — solid-state components
  • Modern radios — most contain microprocessors
  • Medical devices (insulin pumps, pacemakers)
  • Power grid transformers and substations
What Survives an EMP
  • Pre-1980 vehicles with points ignition and no ECM
  • Simple mechanical devices (watches with no electronic components)
  • Tube-based (vacuum tube) radios and amplifiers
  • Electronics in properly constructed Faraday cages
  • Battery-powered devices disconnected from power lines
  • Equipment with hardened military-grade EMP protection

🛡️ Faraday Cages — Build Your Own

A Faraday cage is a conductive enclosure that blocks electromagnetic fields. Properly constructed, it can protect the electronics stored inside from EMP. The key principle: the cage must be fully enclosed with no gaps, and the protected item must not touch the cage walls.

Galvanized Steel Trash Can (Best Value)
MOST PRACTICAL · $30

A standard 20–33 gallon galvanized metal trash can with a tight-fitting lid is one of the most effective and affordable Faraday cages available. Attenuation of 30–50 dB has been tested by amateur radio operators.

  • Line interior with cardboard, foam, or bubble wrap — items must not touch metal walls
  • Seal the lid gap with copper or aluminum HVAC foil tape
  • Store the can on a wooden surface (insulated from ground)
  • Test with AM radio inside — if signal is weak/absent, attenuation is working
Military Ammo Cans (Small Items)
BEST FOR RADIOS/PHONES · $15–30

30-cal and 50-cal steel ammo cans provide excellent shielding when the seal gasket is replaced with conductive copper tape. Seal gap around the lid completely.

  • Replace rubber gasket with copper tape for better conductivity
  • Line interior with foam or cardboard
  • Stack multiple cans for layered protection
  • Ideal size for handheld radios, phones, small solar controllers
Commercial EMP Bags
CONVENIENT · $15–40

Multi-layer aluminized Mylar bags (Faraday bags) available from Ready to Go Survival, Mission Darkness, and others. Lab-tested to 80+ dB attenuation. Great for phones, tablets, and small devices.

  • Mission Darkness bags: NSA-verified attenuation levels
  • Roll-top closure for best sealing
  • Use inside a Faraday trash can for double protection
  • Check seal integrity annually
Room-Scale Faraday Cage
ADVANCED · $200–2,000

For protecting larger equipment (ham radio, solar equipment), some preppers build Faraday rooms using copper mesh wallpaper or copper window screen stapled to interior walls and connected to a ground.

  • All-copper screen, no gaps
  • Seam all edges with copper tape
  • All entry points (doors, vents) need conductive contact
  • Commercial options: EMP Shield for home electrical panel ($300)

📦 What to Store in Your Faraday Cage — Priority List

ItemPriorityNotes
Spare handheld radio (Baofeng UV-5R)CRITICALYour only comms if everything else is fried
Meshtastic nodes (2–3 spares)CRITICALMesh comms restored immediately after event
AM/FM/SW shortwave receiverCRITICALGrundig Mini 400, Tecsun PL-880 — situational awareness
Spare solar charge controllerCRITICALIf your panels survive but controller is fried, you have nothing
Spare phone + SIM cardHIGHIf towers come back online, you want a working device
USB power bank (charged)HIGH10,000–20,000 mAh supply for critical device charging
Flashlight + headlampHIGHLED-based only; simple LED circuits rarely damaged by EMP
GMRS/HAM radio (full power)HIGHWouxun or Midland mobile unit as spare
Laptop with preloaded offline resourcesMEDIUMLoad with PDF manuals, medical references, maps before sealing
GPS unit (offline maps)MEDIUMGarmin inReach or Garmin Montana with topo maps
Calculator (scientific)LOWSimple electronics; good to have for planning/logistics

🏠 Whole-Home EMP Protection

EMP Shield for Electrical Panel — Is It Worth It? ▶

EMP Shield (~$300) is a device that installs on your electrical panel and claims to divert EMP/CME-induced surges. Independent testing shows it performs well against E3 and surge events. It won't protect against the E1 pulse (which is too fast for any crowbar-type protector) but provides real protection for grid-induced transients during geomagnetic storms.

  • Effective for CME-type events (slower, grid-induced surges)
  • Not a substitute for a Faraday cage for critical spare equipment
  • Also works as a high-quality whole-house surge protector for lightning
  • Install one on your electrical panel AND one on your generator feed
Vehicle EMP Hardening ▶

Modern vehicles are moderately susceptible to EMP due to engine control modules (ECMs), fuel injection computers, ABS systems, and ignition controllers. Older vehicles with simpler electronics are more resilient.

  • Spare ECM in a Faraday cage — a replacement computer for your existing vehicle can be stored and swapped post-event. Many can be purchased for $50–200 on eBay for older model vehicles.
  • Coil-on-plug ignition systems (post-2000) are more vulnerable than older distributor systems
  • Older diesel vehicles with mechanical injection pumps (pre-1994 Cummins, IDI Fords) are nearly EMP-immune
  • See the EMP-Proof Vehicles section for specific vehicle recommendations

🔫 Security — Firearms, Air Rifles & Non-Lethal Defense

⚠️ DISCLAIMER: All firearms must be handled safely and stored securely. Comply with all federal, state, and local laws. Secure storage is mandatory in homes with children. This information is educational only.

🔫 Recommended Preparedness Firearms

12-Gauge Shotgun
MOST VERSATILE

Mossberg 500/590 or Remington 870. The most practical single firearm for preparedness. Switches between defense, hunting deer, and taking birds.

  • 00 buckshot: 9 pellets × .33" — devastating at close range
  • Rifled slugs: 1 oz, accurate to 100+ yds
  • Ammo universally available
  • Cost: $300–450
9mm Handgun
MOST COMMON CALIBER

Glock 17/19, Sig P320, or S&W M&P. NATO standard. More 9mm exists than any other caliber. Concealable, reliable, manageable recoil.

  • Glock 19: 15+1 rounds, 23.65 oz loaded
  • 124gr or 147gr JHP for defense (HST, Gold Dot)
  • Train with FMJ, carry with JHP
  • Cost: $450–700
.22 LR Rifle
BEST VALUE + TRAINING

Ruger 10/22 — the most popular rimfire rifle ever made. Ammo is lightest and cheapest of any caliber. Excellent for training, small game, and pest control.

  • 500 rounds of .22 LR weighs what 50 rounds of .223 does
  • BX-25 magazines hold 25 rounds
  • Virtually no recoil — anyone can shoot it
  • Cost: $280–350
AR-15 (.223/5.56mm)
VERSATILE PLATFORM

Most modular rifle platform in existence. Accurate to 600+ yards, light recoil, enormous accessory ecosystem. Standard 30-round mags.

  • 5.56 NATO and .223 Rem interchangeable
  • Brands: BCM, Daniel Defense, or budget PSA
  • Optic: Primary Arms 1–6×24 or Vortex Sparc red dot
  • Cost: $500–2,000
Bolt-Action Rifle (.308)
LONG RANGE + HUNTING

Ruger American, Savage 110, or Tikka T3x. Accurate to 1,000+ yards. Capable of taking any North American big game.

  • .308 Win: 1,000-yard capable, common military round
  • 30-06: slightly more power, equally common
  • Add Vortex Viper 4–16×44 scope
  • Cost: $500–900 + $300–600 (scope)

🎯 Air Rifles — Silent, No License Required

Air rifles are vastly underrated in preparedness. They produce minimal noise (critical when concealment matters), require no powder or primer (supply chain immune), and can be extremely effective for small game hunting and pest control. They are legal in virtually all jurisdictions with no restrictions matching firearms laws.

PCP (Pre-Charged Pneumatic)
MOST ACCURATE · BEST POWER

Uses a high-pressure air reservoir (2,000–3,600 PSI). Multi-shot, consistent velocity, whisper-quiet. Ideal for suburban small game and pest control.

  • Benjamin Marauder .22 — 20+ FPE, 10-shot mag, ~$350
  • Air Venturi Avenger .22 — budget PCP, ~$300
  • Umarex Gauntlet 2 .25 — 50+ FPE for raccoon/possum
  • Requires hand pump ($60) or scuba tank fill
Multi-Pump Pneumatic
SELF-SUFFICIENT · NO TANK

The ultimate survival air rifle. You supply the air with your own arm strength — 3–10 pumps per shot. No CO₂, no high-pressure fill station needed. Completely self-contained and maintenance-free indefinitely.

  • Benjamin 392 .22 — classic, proven, 800+ fps at 8 pumps. $200
  • Crosman 2289 .22 — lightweight, 700+ fps, $90
  • Sheridan Blue Streak .20 cal — legendary durability, .20 cal for small game efficiency
  • More pumps = more power, up to the gun's rated maximum
  • Adjustable power output by varying pump count
  • Pellets cost pennies — 500 rounds of .22 pellets under $10
Break-Barrel Springer
NO FILL NEEDED · BEGINNER

Single-pump-per-shot via breaking the barrel. Self-contained — no pump, no CO₂, no tank. One break = one shot. Reliable and simple.

  • Crosman Nitro Venom .22 — ~$100, 800–900 fps
  • RWS 34 .177 — German quality, 1,000 fps, ~$200
  • Use .22 cal for small game; .177 for pest and target only
  • No moving parts besides the barrel break
Air Pistols
COMPACT · CONCEALABLE

Highly effective for close-range pest control and can take small game at 15–20 yards. CO₂ powered options are easiest for high-volume use; multi-pump for self-sufficiency.

  • Crosman 1377 .177 — multi-pump, .177 cal, adjustable power
  • Benjamin 22xx series — multi-pump .22 cal, more power
  • Powerful CO₂: Sig Sauer P365 and P320 replicas
💡 MULTI-PUMP ADVANTAGES SUMMARY: No CO₂ cartridges to stock. No fill station needed. Adjustable power (low for indoor pest control, high for hunting). Completely silent operation. Virtually zero maintenance. A multi-pump air rifle and 5,000 rounds of pellets ($50) provides years of small game capability with zero dependency on any supply chain.

🏹 Non-Lethal & Primitive Alternatives

Banded Slingshots (Wrist-Brace Type)
NO LICENSE · SILENT · VERSATILE

Modern wrist-brace slingshots with wide-band Theraband Gold or Dankung bands are legitimately powerful hunting tools. Capable of taking rabbit, squirrel, and birds at 15–30 yards. Silent, legal everywhere, and completely self-sufficient.

  • Scout Wrist-Brace Slingshot — $30–50. Aluminum frame, professional quality
  • Dankung Hunting Slingshot — purpose-built for hunting, $40–80
  • Theraband Gold bands — most powerful commercially available band, $10 for long strip
  • 3/8" steel balls or marbles: 250–350 fps, devastating at 20 yards
  • Practice minimum 50 shots/day to build skill — muscle memory critical
  • Replace bands every 6 months (UV degrades latex)
  • Can take rabbit-size game at 25+ yards with practice
Compound Bow / Recurve
RENEWABLE AMMO · HUNTING

Arrows can be retrieved and reused. Silent, powerful, effective on deer-size game. No ammo supply chain dependency once you own quality arrows.

  • Compound: 60–80 lb draw, 270–330 fps. Accurate to 60+ yards
  • Recurve: simpler, field-repairable, no cams to break
  • Samick Sage recurve — excellent value, $160, takedown style
  • Carbon arrows last years with care
Crossbow
EASIEST TO LEARN

Shorter learning curve than traditional bow. Hold at full draw without fatigue. Effective on deer at 40 yards. Many states allow for hunting same seasons as firearms.

  • Minimum 150 lb draw for hunting big game
  • Barnett Whitetail Pro STR — 375 fps, ~$300
  • Bolts/broadheads stockpile easily
  • Some models are EMP-immune (all mechanical)
Pepper Spray & Non-Lethal Options
LESS-LETHAL

For situations where use of deadly force is legally or ethically inappropriate. Always carry alongside, not instead of, more capable defense.

  • Sabre Red Crossfire — MK-9 stream, 10-foot range, $15
  • Byrna HD Launcher — .68 cal kinetic impactors, $300. No license needed
  • TASER Pulse — civilian TASER, 15-foot probes, $400
  • Practice deploying each under stress — muscle memory saves lives

📦 Ammunition Storage

CaliberPrimary UseAvailabilityEst $/50Min Reserve
.22 LRTraining, small gameVery High$4–85,000 rounds
9mm FMJTrainingVery High$13–221,000 rounds
9mm JHP (defense)Self-defenseHigh$28–45200 rounds
12 ga 00 BuckDefense, huntingHigh$10–20200 shells
.223 / 5.56 FMJRifle trainingHigh$22–401,000 rounds
.308 WinPrecision, big gameHigh$28–55500 rounds
Air rifle pellets (.22)Small game, pest controlAlways available$10/5005,000 pellets
Slingshot steel balls (3/8")Pest, small gameAlways available$8/100500 balls
💡 STORAGE: Military surplus ammo cans (GI green, $15–30) + silica gel = indefinite life. Label every can: caliber, grain, manufacturer, purchase date. Store in cool, dry, dark location. Never in an attic.

🏠 Layered Home Defense

Defense in Depth — 5 Layers ▶
Layer 1Exterior: motion lighting, cameras (local recording), thorny plantings (hawthorn, pyracantha, rose)
Layer 2Doors: 3-inch screws in hinges and strike plates, Grade 1 deadbolts, door barricade bars
Layer 3Windows: alarm sensors, 3M safety film, window bars on basement/ground-floor windows
Layer 4Alert: dog (even small barking dog), local-recording cameras, neighbor network
Layer 5Safe room: reinforced door, GMRS radio, first aid kit, defensive option, 24-hr water supply

🩹 Medical — First Aid, IFAK & Prescription Prep

🩸 STOP THE BLEED: Uncontrolled hemorrhage kills in 3–5 minutes. Learning tourniquet application is the single highest-value medical skill you can acquire in an afternoon.

🎒 IFAK Contents — Individual First Aid Kit

Hemorrhage Control (Priority 1)
  • CAT Tourniquet (Combat Application Tourniquet) — 1 per person minimum
  • SOFT-T Wide tourniquet — backup
  • QuikClot Combat Gauze or Celox-A — hemostatic gauze
  • Israeli pressure bandage 4" and 6"
  • Nitrile gloves (multiple pairs)
  • Trauma shears (cut clothing fast)
  • Permanent marker (write tourniquet time)
Airway & Chest
  • Nasopharyngeal airway (NPA) 28Fr with lubricant
  • Vented chest seals (HyFin or HALO) — 2 pack
  • Decompression needle 14g 3.25"
  • CPR face shield
General Medical
  • Aspirin 325mg — cardiac events
  • Ibuprofen + Acetaminophen
  • Diphenhydramine (Benadryl) — allergic reactions
  • Epinephrine auto-injector if anyone has severe allergies
  • Oral rehydration salts (Pedialyte powder)
  • Antidiarrheal (Imodium)
  • SAM splints, ACE bandages
  • Dental kit (Dentemp)

🩸 Tourniquet Application — Memorize This

CAT / SOFTT-W Application Steps (Limb Hemorrhage) ▶
  1. High and tight — apply 2–3 inches above the wound, never on a joint
  2. Route band through buckle, tighten snug against skin
  3. Twist windlass rod until bleeding stops — significant pain is expected and necessary
  4. Lock windlass rod into clip/keeper
  5. Apply security strap over windlass
  6. Write time on tourniquet AND on casualty's forehead in marker: "TQ 14:32"
  7. Do NOT remove in the field — get to care within 2 hours to minimize tissue damage
⚠️ A tourniquet that is too loose is worse than none. Tighten until bleeding stops completely — no exceptions.

💊 Prescription Medication Stockpiling

Getting a 90-Day Supply

Ask your doctor: "In case of a natural disaster, I'd like to maintain a 90-day emergency supply of my medications." Most physicians support this.

  • Use GoodRx, Cost Plus Drugs for lowest cash prices
  • Mail-order pharmacies dispense 90-day supplies automatically
  • Some insurers require 2-week wait between refills — build reserve slowly
Storage & Expiration Reality

The FDA's Shelf Life Extension Program found most drugs retain 90%+ potency years past printed expiration when stored properly.

  • Cool (under 75°F), dark, dry — not the bathroom
  • Never use insulin, liquid antibiotics, or nitroglycerin past expiration
  • Pills/capsules: generally safe 2–5 years past date
  • Never use discolored, crumbled, or strange-smelling medications

🚗 EMP-Proof Vehicles — Old Iron That Keeps Running

Modern vehicles (roughly 1980 and newer) rely on engine control modules, electronic fuel injection, electronic ignition systems, ABS, traction control, and dozens of other microprocessor-controlled systems. An EMP or severe geomagnetic storm can permanently destroy these components, rendering the vehicle inoperable. Older vehicles with simpler electromechanical systems are far more resilient — or completely immune.

💡 KEY PRINCIPLE: The simpler the electrical system, the more EMP-resistant. A 1970 pickup with a points ignition and a carburetor has exactly one vulnerable component — the ignition coil — and that's a $30 part you can carry as a spare in the glove box.

🏆 Best EMP-Resistant Vehicles

Pre-1975 American Trucks & Cars
MOST EMP-RESISTANT

Any American vehicle with a points-type ignition distributor, carburetor, and no electronic modules. The Ford F-100/F-150 (pre-1977), Chevy C/K pickups (pre-1975), and most muscle cars of this era qualify. Zero microprocessors.

  • Vulnerable only: ignition coil, condenser, points — all under $30 total
  • Carry full tune-up kit in the vehicle as spares at all times
  • Points ignition: adjust every 12,000 miles. Simple with a feeler gauge
  • Carbureted fuel — gravity fed, no electric fuel pump dependency in most cases
  • Parts universally available at NAPA, O'Reilly, AutoZone
Old Diesel (Pre-1994 Mechanical Injection)
NEARLY EMP-IMMUNE

Mechanical diesel injection systems require no electronics whatsoever to run. The fuel pump and injectors are purely mechanical. These engines will start and run without a single electronic component operating.

  • 7.3 IDI Ford (1983–1994) — the gold standard. Mechanical injection, glow plugs easily bypassed
  • 6.9 IDI Ford (1982–1987) — predecessor to 7.3, equally robust
  • Cummins 5.9 (12-valve, 1989–1998) — mechanical P-pump injection, legendary durability. Can literally run without any electronics
  • GM 6.2/6.5 diesel (1982–1993) — mechanical injection, less popular but very capable
  • Glow plug controllers are the main electronic failure point — easy to wire a manual switch bypass
1976–1985 Gasoline Vehicles
LOW ELECTRONIC CONTENT

Transitional era with some electronics but minimal. Early TBI (throttle body injection) is simpler than modern MPFI. Carbureted vehicles from this era have minimal electronic exposure.

  • Many still use distributor ignition — more repairable than DIS or COP systems
  • Store a spare ECM in a Faraday cage if 1980+ vehicle
  • Vacuum-advance carburetors have no electronic timing components
Motorcycles & ATV — Older Models
HIGHLY MANEUVERABLE

Pre-1990s motorcycles and ATVs with points or simple CDI ignition are excellent bug-out vehicles. Fuel efficient, fit through traffic, cross terrain cars can't. A 1970s–1980s Honda XR/CR series dirt bike is nearly EMP-immune and requires minimal maintenance.

  • Honda XR series (points ignition) — legendary reliability
  • Yamaha XT/TT series — dual-sport capable with simple electrics
  • CDI (capacitor discharge ignition) systems are more EMP-resistant than transistorized systems
  • Carbureted bikes: carry main jet, pilot jet, needle, float as spares ($20 total)

🔧 Maintaining a Pre-Electronics Vehicle

SystemService IntervalDIY DifficultySpare Parts to Carry
Points ignition12,000 milesEasyPoints, condenser, rotor, cap ($15 kit)
Carburetor (rebuild)50,000 miles or performance dropModerateCarburetor rebuild kit ($20–40)
Mechanical fuel pumpReplace if leakingEasySpare pump ($15–25)
Mechanical diesel injectionPump service every 200,000 miSpecialistInjector o-rings, lift pump
Valve adjustment30,000 milesModerateFeeler gauge (have one)
Distributor cap/rotor30,000 milesEasyCap and rotor ($10–20)
Timing adjustmentAnnually or after tune-upEasyTiming light ($25)
Glow plugs (diesel)100,000 milesModerateFull set of glow plugs

🚌 Vehicle Preparedness Kit — In Every Vehicle

Mechanical Essentials

  • Full tune-up kit for your specific engine (points, cap, rotor, plugs)
  • Spare belts (fan, alternator, power steering)
  • Radiator hoses (upper and lower)
  • Emergency coolant and oil (2 qts each)
  • Tire repair kit + 12V compressor
  • Jumper cables or lithium jump starter
  • Basic tool kit (wrenches, screwdrivers, pliers)
  • Duct tape, baling wire, zip ties

Emergency Supplies

  • 3-day water supply (gallon per person)
  • Emergency food (bars, canned goods + opener)
  • Emergency blankets (2 per person)
  • IFAK (Individual First Aid Kit)
  • GMRS radio (charged)
  • Cash ($200+ in small bills)
  • Paper maps of your region
  • Tow straps and shackles

🏠 Shelter — Heat, Cold, Sanitation & Bug-Out

🌡️ Heat Without Power

⚠️ Heat stroke kills fast. Core body temperature of 104°F is a medical emergency. In a sealed house at 90°F+ with high humidity, heat stroke can occur within hours.
Cooling Strategies (No Power)
  • Wet towel on neck, wrists, and armpits — evaporative cooling
  • 12V DC fans run off any solar station or car battery
  • Sleep on lowest floor — heat stratifies, floor is 10–15°F cooler
  • Open windows for cross-breeze at night only; close and cover during day
  • Reflective window film reduces solar heat gain 40–70%
  • Community cooling centers — know 3 within 10 minutes
  • Spray bottle + fan = powerful evaporative cooling
Heating Strategies (Winter Storm)
  • Mr. Heater Big Buddy (propane) — safe for indoor use with CO detector
  • Seal one room with blankets over doorways — heat one room, not whole house
  • Mylar emergency blankets reflect 90% of body heat
  • 0°F rated sleeping bag renders most other heating redundant
  • Hot water bottles at feet in sleeping bag
  • Wear a hat — 30–40% of heat loss is through the head
  • NEVER use gas stove/oven for heating — CO builds up silently

🚽 Sanitation Without Running Water

Emergency Toilet System

Without running water, your toilet can still be used 1–2 times using stored water (pour 1–1.5 gallons directly into bowl rapidly). After that:

  • Line 5-gal bucket with contractor bags (2 nested)
  • Add kitty litter after each use to control odor
  • Pool noodle cut lengthwise = comfortable seat rim
  • Waste pit: 18" deep minimum, 200 ft from water source
Hygiene Essentials
  • Hand washing station: water jug with spigot + soap + bucket
  • Baby wipes — full body wipe-down uses 4–6 wipes
  • Bleach solution (1:10 ratio) for surface disinfection
  • Trash bags — sanitation is downstream of trash management
  • Toothbrush / baking soda if toothpaste runs out
  • Solar camp shower ($20) for occasional full body wash

🏕️ Bug-Out Planning

💡 KEY RULE: Decide your bug-out triggers in advance, in writing, when you are calm. Deciding under stress is how families split up and bad decisions get made.
Bug-Out Triggers — Example List ▶
  • Mandatory evacuation order for your zone
  • Loss of water service with no 72-hour restoration timeline
  • Fire within 1 mile and wind moving toward your location
  • Confirmed civil unrest within 5 miles and escalating
  • Loss of power exceeding your stored capacity (7–14 days)
  • Critical medical need that cannot be handled at home
Routes and Destinations — The Three-Location Rule ▶
  • Location A: Local (10–30 miles) — trusted friend/family, known address
  • Location B: Regional (50–150 miles) — out of affected metro area
  • Location C: Rural (150–300 miles) — land or campsite with water
  • Drive all three primary routes before you need them
  • Keep 25 miles of fuel in vehicle always (never below half-tank)
  • Designate one out-of-area contact for the whole family to check in with

🎒 72-Hour Bag — Complete Go-Bag Checklist

ℹ️ Government emergency planners assume a 72-hour gap between disaster and organized relief. Your bag must sustain you with zero external support for 3 days minimum. Target 7 days. Review and repack quarterly.

💧 Water & Hydration

  • 3-day water supply (1 gal/person/day — use Platypus collapsible containers)
  • Sawyer Mini filter + backup iodine tablets
  • Collapsible water container (10 liter)
  • Metal water bottle (can boil water directly)

🥫 Food

  • 2,000 cal/day × 3 days minimum — target 7 days
  • Mountain House or Wise Company freeze-dried meals
  • High-calorie bars (Clif, RXBAR) — no cooking required
  • Instant coffee / tea / hot chocolate — morale critical
  • Can opener (P-38 military style, $2)

🛠️ Tools & Shelter

  • Tent (2-person, 3-season) or heavy-duty tarp + 100 ft paracord
  • Sleeping bag (rated to 20°F below your expected low) + mylar liner
  • Sleeping pad (thermarest type — critical for ground insulation)
  • Ferro rod + waterproof matches + lighter (redundant fire)
  • Folding knife (Benchmade or Spyderco) + fixed blade
  • Multitool (Leatherman Wave)
  • Headlamp + spare batteries + chemical light sticks
  • Duct tape, zip ties, baling wire

📻 Communications

  • Baofeng UV-5R (charged) + Nagoya NA-771 antenna
  • Meshtastic node (charged, in Faraday bag when not in use)
  • Garmin inReach Mini or PLB (Personal Locator Beacon)
  • Battery bank 20,000 mAh + solar panel 20W
  • Laminated frequency card (from Printable Sheets section)

🩹 Medical

  • IFAK (fully stocked per Medical section above)
  • 90-day prescription supply in bag or easily grabbed
  • Reading glasses if needed (spare pair)
  • Sunscreen SPF 50+, insect repellent (DEET 30%+)

📄 Documents & Money

  • Copies of: ID, passport, insurance cards, property documents
  • Cash ($500 minimum in small bills — $1, $5, $10, $20)
  • USB drive with scanned documents + offline maps + reference PDFs
  • Paper maps of your region (road + topo)

🧮 Calculators

💧 WATER STORAGE CALCULATOR
Adults daily—
Children daily—
Pets daily—
Total daily—
55-gal barrels needed—
TOTAL STORAGE NEEDED—
🥫 FOOD CALORIE CALCULATOR
Total calories needed—
Rice needed—
Beans needed—
5-gal Mylar buckets (rice+beans)—
⚡ SOLAR POWER BUDGET CALCULATOR
Daily Wh needed—
Recommended battery capacity—
Recommended solar panel wattage—
Suggested power station—

🌱 Gardening — Food Production for Preparedness

A garden does not replace your food storage — not in year one. But a productive garden dramatically extends your supply, provides fresh vitamins unavailable in stored food, and eventually becomes a renewable food engine. Plant what grows well in your climate first.

🌱 Best Survival Crops by Calorie & Ease

CropCal/sq ftGrow TimeDifficultyNotes
Sweet PotatoesVery High90–110 daysEasyHighest calorie density of any vegetable. Grows in poor soil. TX: plant March–May
Potatoes (Irish)High70–120 daysEasyStores well in cool dark. TX: plant Feb–Mar, again Aug–Sep
Dried BeansHigh65–100 daysEasyLet dry on vine. Protein powerhouse. Storage months in pods
Winter SquashModerate80–110 daysEasyStores 3–6 months whole. Butternut, acorn, Hubbard varieties
Corn (field corn)High95–110 daysModerateDried corn stores years. Grind to cornmeal. Needs space
Kale / CollardsModerate55–70 daysVery EasyVitamins A, C, K. TX: fall/winter garden. Freeze tolerant
TomatoesLow-Moderate70–85 daysModerateMorale crop. Can and preserve. TX: plant March and again August
SunflowersModerate70–100 daysVery EasyEdible seeds, cooking oil potential, drought-tolerant

🌿 Seed Saving & Heirloom Varieties

⚠️ AVOID HYBRID SEEDS (F1) for emergency preparedness. Hybrid seeds do not breed true — the next generation produces inconsistent plants. Always use open-pollinated heirloom varieties for a self-sustaining seed supply.
Seed Storage for Long-Term Viability
  • Store seeds in sealed glass jars with silica gel desiccant packets
  • Freezer storage extends viability to 10+ years for most seeds
  • Seeds remain viable in refrigerator for 3–5 years
  • Label every jar: variety name, date collected/purchased, source
  • Test germination annually: 10 seeds on damp paper towel — 7+ germinating = good supply
Best Seed Banks to Start With
  • Survival Garden 15,000 Seeds — comprehensive variety pack, $30
  • Seed Savers Exchange — heirloom only, member-grown, trusted
  • Baker Creek Heirloom Seeds — largest heirloom variety selection in US
  • True Leaf Market — bulk seeds at good prices for large plantings

💰 Financial Preparedness

Financial resilience is as critical as physical preparedness. During disasters, ATMs fail, credit card networks go down, and digital payments become impossible. Cash remains king in a grid-down scenario.

💵 Cash Reserve Strategy

Minimum Cash Holdings
  • Home safe: $1,000–$2,000 in mixed bills ($1, $5, $10, $20)
  • 72-hour bag: $500 minimum, small bills only
  • Vehicle: $200 tucked away — small bills
  • Silver coins (pre-1965 dimes/quarters) — barter/alternative currency
  • Replace every 2–3 years (bills don't wear out but replace any damaged bills)
Why Physical Precious Metals

Pre-1965 US "junk silver" coins (dimes, quarters, halves) contain 90% silver. Each dime contains ~0.07 oz silver. At any silver price, widely recognized as valuable. No numismatic premium.

  • Buy: "junk silver" bags or rolls from a local coin shop or APMEX
  • 90% silver dime = ~$2.50 in silver value at $35/oz silver
  • Do NOT pay over 10–15% premium over spot for junk silver

🔧 Skills & Self-Reliance

Gear can be destroyed, lost, or stolen. Skills cannot. A person with deep practical skills is worth 10 people with expensive gear and no knowledge of how to use it.

Highest-Value Preparedness Skills
  1. First aid and Stop the Bleed — one afternoon course changes everything
  2. Fire starting without matches — ferro rod, bow drill, magnifying lens
  3. Water purification — know ALL methods by memory
  4. Basic radio operation — GMRS programming, phonetic alphabet, procedures
  5. Vehicle repair — change a tire, jump a battery, change oil, basic diagnostics
  6. Food preservation — canning, dehydrating, fermentation, smoking
  7. Basic navigation — map and compass, no phone required
  8. Hand tool use — carpentry, plumbing, electrical basics
Training Resources
  • Stop the Bleed — bleedingcontrol.org, free courses nationwide
  • CERT — ready.gov/cert, free FEMA-sponsored emergency response training
  • HAM radio license — arrl.org, technician exam = 35 multiple choice questions
  • GMRS license — fcc.gov, no exam required, $35/10 years
  • American Red Cross — first aid/CPR certification, ~$100, valid 2 years
  • YouTube channels — City Prepping, The Prepared, Corporals Corner

🎣 Hunting, Fishing & Trapping

Wild game is a renewable protein source that requires no refrigeration when processed immediately and smoked or dried. In a long-term grid-down scenario, hunting and trapping knowledge transitions from a hobby to a survival necessity.

🐾 Small Game — Highest Return on Effort

Squirrel & Rabbit
BEST SURVIVAL GAME

Most abundant wild game in North America. Reproduce rapidly (rabbits: 6–8 offspring × 4–6 litters/year). Can be taken with .22 LR, air rifle, slingshot, or traps. Processing takes 10 minutes per animal.

  • Squirrel: 8–14 oz dressed, high protein, excellent taste
  • Rabbit: 2–4 lbs dressed. Never eat rabbit exclusively (rabbit starvation — zero fat)
  • Best time: early morning and evening, near edges of woods and fields
Fishing — The Easiest Protein

A fishing rod, some line, and hooks provide an almost effortless protein source near any water body. Trot lines (multiple hooks on one line) dramatically increase yield with minimal effort.

  • Trot line with 20 hooks = 20× the yield of one rod and reel
  • Crayfish and worms are universal bait — find them under rocks in any stream
  • Fish can be smoked or dried for days of storage without refrigeration
  • Always know your state's basic fishing regulations
Snares & Traps

Snares work while you sleep. A properly set snare check in the morning can yield protein with zero active effort. Wire snares for rabbit and squirrel are legal in many states during declared emergencies.

  • Wire snare: 22-gauge snare wire, loop 4" diameter for rabbit, 3" for squirrel
  • Place on game trails — look for tracks, droppings, trails through vegetation
  • Check snares every 12 hours maximum
  • Connibear traps (#110, #160) for small game, beaver, muskrat

🤝 Community Security — Mutual Aid & Neighborhood Defense

Every major post-disaster study reaches the same conclusion: neighborhoods with established social trust suffer dramatically fewer casualties, less looting, and faster recovery than neighborhoods of isolated individuals. Community is the highest-return preparedness investment you can make.

🗺️ Know Your Neighbors

The 5-House Rule

Walk your street this week and collect from every house within 5 houses of yours:

  • Names, phone numbers, primary language
  • Special needs: elderly, disabled, children under 5, medical equipment
  • Skills: medical, mechanical, construction, comms, languages
  • Resources: generator, truck, large water supply, chainsaw, medical kit
  • Pets that may need to be secured in an emergency
Neighborhood Skill Inventory
MedicalRN, EMT, combat medic, veterinarian — who can suture and set splints?
CommsHAM/GMRS operators, IT professionals, anyone with radio equipment
SecurityMilitary/LEO veterans, firearms instructors, security professionals
TradesElectrician, plumber, HVAC, mechanic — irreplaceable for infrastructure
FoodGardeners, hunters, canners, food production experience
LogisticsLarge vehicle, fuel storage, supply organization

📡 Neighborhood Communications Plan

Radio Protocol
PrimaryFRS/GMRS CH1 (462.5625 MHz) — neighborhood internal comms
EmergencyGMRS CH20 (462.675 MHz) — external contact and distress
MeshMeshtastic network — encrypted text and GPS sharing
WeatherNOAA 162.400 MHz — monitor continuously during events
Check-in8:00 AM and 6:00 PM daily during grid-down events
Non-Radio Signaling
  • Porch light on: OK / at home
  • Red flag or cloth visible: Medical emergency
  • Whistle (3 blasts): Immediate help needed
  • Knock sequence: 3-2-1 for trusted neighbors after dark

🔒 Collective Security

Watch Rotation Protocol
  • Establish shift rotation: 2–3 households per 4-hour window
  • Log all strangers: license plates, descriptions, time
  • Identify all entry/exit points — know the choke points
  • Maintain radio contact between watch positions
  • Designate one spokesperson for any confrontation
Physical Hardening
  • Vehicles to block alley and secondary access at night
  • Battery-powered motion-sensor lights at entry points
  • Paracord with cans creates perimeter alerts
  • Dogs: even a small barking dog is one of the most effective deterrents known
  • Clear brush that creates concealment near entries

🖨️ Printable Reference Sheets — Off-Grid Ready

ℹ️ These sheets are designed to be printed, laminated, and stored in your 72-hour bag, vehicle, and home kit. When the power goes out and your phone is dead, these cards keep you informed. Print all of them. Print them now.

Use your browser's print function (Ctrl+P on Windows, Cmd+P on Mac). For durability, laminate with a $25 laminator from Walmart or cover with clear packing tape. Switch to Light Mode (toggle at top) before printing for best results on paper.

📋 Sheet 1 — Emergency Contacts & Frequencies

📋 Sheet 2 — Complete Radio Frequency Reference

📋 Sheet 3 — Water & Medical Quick Reference

📋 Sheet 4 — EMP & Comms Checklist

📚 Glossary — Preparedness & Radio Terms

📻 Radio & Comms Terms

AES-256Advanced Encryption Standard, 256-bit key. Used by Meshtastic for channel encryption
APRSAutomatic Packet Reporting System — HAM radio GPS position and data sharing
ARRLAmerican Radio Relay League — the national association for amateur radio
BFOBeat Frequency Oscillator — allows SSB reception on shortwave receivers
CBCitizens Band radio — 27 MHz band, no license required, 40 channels
CDICapacitor Discharge Ignition — EMP-resistant ignition system found on older motorcycles
CTCSSContinuous Tone-Coded Squelch System — subaudible tone to access a repeater
DCSDigital-Coded Squelch — digital equivalent of CTCSS for repeater access
EMPElectromagnetic Pulse — burst of electromagnetic energy that can destroy electronics
FMEFaraday Mesh Enclosure — any conductive enclosure that blocks electromagnetic fields
FPEFoot-Pounds of Energy — measure of projectile kinetic energy (air rifles, firearms)
FRSFamily Radio Service — UHF radio band, no license, max 2W, no repeaters
GMRSGeneral Mobile Radio Service — UHF, $35 license, up to 50W, repeaters allowed
HEMPHigh-altitude Electromagnetic Pulse — nuclear EMP detonated at altitude
HFHigh Frequency (3–30 MHz) — HAM radio band capable of worldwide communication
LoRaLong Range radio modulation — low-power, long-range radio used by Meshtastic
LSBLower Sideband — standard voice mode for HF below 10 MHz
MeshtasticOpen-source LoRa mesh networking firmware and app for off-grid communications
MeshCoreAlternative LoRa mesh firmware with selective relay routing vs flooding
MURSMulti-Use Radio Service — 150 MHz band, no license, 2W, less congested
NOAANational Oceanic and Atmospheric Administration — broadcasts weather on 162 MHz
PCPPre-Charged Pneumatic — air rifle type that uses a pressurized reservoir
PL TonePrivate Line tone — another name for CTCSS. Required for many repeaters
PTTPush to Talk — the button you press to transmit on a radio
RepeaterA radio station that receives and retransmits on a different frequency, extending range
SSBSingle Sideband — voice mode used on HF and some VHF/UHF for long distance
T-BeamLILYGO T-Beam — popular ESP32-based Meshtastic hardware with GPS and LoRa
UHFUltra High Frequency (300 MHz–3 GHz) — includes GMRS, FRS, 70cm HAM
USBUpper Sideband — standard voice mode for HF above 10 MHz (not the computer port)
VHFVery High Frequency (30–300 MHz) — includes 2m HAM, MURS, NOAA weather
VOXVoice-Operated Switch — automatic transmit when voice is detected. Disable on Baofeng.

🛡️ Preparedness Terms

BOBBug-Out Bag — pre-packed 72+ hour survival kit ready to grab and go
BOLBug-Out Location — pre-designated safe destination away from your home
BPXBugout Plan X — your contingency route if primary is blocked
CATCombat Application Tourniquet — military-grade tourniquet for arterial bleeding
CERTCommunity Emergency Response Team — FEMA-sponsored free community training
CMECoronal Mass Ejection — solar event that can induce geomagnetic storms
ECMEngine Control Module — vehicle's main computer; EMP-vulnerable in modern vehicles
EDCEvery Day Carry — items carried on your person at all times
FIFOFirst In, First Out — inventory rotation method for food storage
FPEFoot-Pounds of Energy — energy measurement for projectiles
IDIIndirect Injection — older mechanical diesel injection system; EMP-resistant
IFAKIndividual First Aid Kit — personal trauma kit with hemorrhage control focus
OPSECOperational Security — keeping your preparedness posture private
PACEPrimary, Alternate, Contingency, Emergency — comms plan structure
PSIPounds per Square Inch — pressure unit used for air rifle fill pressure
TBIThrottle Body Injection — simple electronic fuel injection; more EMP-resistant than MPFI