Practical Self-Reliance • Off-Grid Radio • Offline Survival Field Tools

Prepper Field Guide

The complete offline-capable survival, foraging, radio communication, and homestead preparedness platform. Calculate water purification and 20-year food storage, use our built-in off-grid radio tuner and walkie-talkie acoustic modem, identify North American wild plants and mushrooms, plot USGS topographic evacuation routes, and print your own 3-ring binder survival manual.

BUILT-IN INTERACTIVE ENGINEERING & COMMUNICATION SUITE

8 Purpose-Built Field Tools You Can Use Online or Offline

Explore All 8 Interactive Tools
NEW • FREE

Off-Grid Radio Tuner, Walkie-Talkie Modem & CHIRP

Tune NOAA weather & GMRS/FRS channels, transmit acoustic data tones over any walkie-talkie mic, and download a CHIRP .CSV programming file.

Launch Tool
FREE

Water Purification & WHO Electrolyte Computer

Exact unscented bleach, calcium hypochlorite pool shock, and NaDCC dosing for any container size plus homemade oral rehydration recipes.

Launch Tool
FREE

20-Year Family & Pet Pantry Sizer

Calculate exact pounds, 5-gallon buckets, Mylar bags, oxygen absorbers, and water gallons for adults, children, dogs, and cats.

Launch Tool
FREE

15% Rule Bug-Out Pack Weight Sizer

Size your 72-hour pack to your body weight and compare filter-as-you-go vs. carrying full water weight across climates.

Launch Tool
VIP PRO

Homestead Blueprints & Live Hardware Cost Builder

Step-by-step material lists with editable local hardware store prices for pallet chicken coops, 110-gal rain barrels, and root cellars.

Launch Tool
VIP PRO

Austere First Aid, MARCH Trauma & Burn Fluid Engine

Field checklists for massive bleeding control, wound irrigation pressure math, splinting, and Parkland burn resuscitation.

Launch Tool
VIP PRO

Non-GPS Land, River Ferry & Star Navigation

True-north magnetic declination solver, Ranger pace-bead distance tracker, river current ferry angle, and Polaris night sighting.

Launch Tool
VIP PRO

LED Camera Flashlight & 650 Hz Morse Transceiver

Convert any message into Morse code, play 650 Hz audio tones, and pulse your smartphone's LED flashlight for night signaling.

Launch Tool

Regional Threat Intelligence, Impacted States & Live Official Government Charts17 U.S.C. § 105 PUBLIC DOMAIN TELEMETRY

Every alert displays the exact impacted US states and geographic regions. Filter by Region, State, Date/Today, or Alert Type—or lock your Home Area with VIP.

Live Official US Government Telemetry Charts (NOAA / NWS Federal Public Domain — 17 U.S.C. § 105)
Directly rendered from official `weather.gov` & `swpc.noaa.gov` operational servers
1. NWS Active US Hazards MapLIVE NOAA/NWS

Real-time county-by-county severe weather, flood, winter storm, and high-wind warnings across all 50 states.

Live National Weather Service Watch Warning Advisory Map of the United States
Source: NOAA National Weather ServiceWeather.gov
2. NOAA Planetary K-Index (Solar/EMP)LIVE SWPC

3-hour geomagnetic storm index (`Kp 0–9`). Values `Kp ≥ 5` (Red) indicate active geomagnetic storms impacting HF radio and grids.

Live NOAA Space Weather Prediction Center Planetary K-Index Geomagnetic Chart
Source: NOAA SWPC (Boulder, CO)SWPC.noaa.gov
3. NOAA 7-Day US Rain & Catchment ForecastLIVE WPC

Official 7-day cumulative precipitation forecast across the Continental US for flood readiness and rainwater harvesting.

Live NOAA Weather Prediction Center 7-Day Precipitation Forecast Map
Source: NOAA Weather Prediction CenterWPC.ncep.noaa.gov
Filter Alerts by Region, State, Date/Today & Severity
OFFICIAL GOV SOURCEREGION: NORTHEAST US & NEW ENGLANDSTATES: NY, PA, NJ, MA, CT, VT, NH, ME
NWS Eastern Corridor Advisory: High-Wind Gusts, Coastal Surge & Transmission Line Tree-Fall Risk
Impacted Areas / Corridors:Hudson Valley, Adirondacks, Poconos, New England Interior & I-95 Corridor

Frontal squall line and 50+ mph wind gusts impacting above-ground utility distribution poles across the Northeast. Top off household drinking water reserves, verify LiFePO4 battery charge, and check 5-mile evacuation rings.

Today • Official NWS Dispatch25 MIN AGONATIONAL WEATHER SERVICE (NOAA)Verify at weather.gov
CRITICAL
OFFICIAL GOV SOURCEREGION: PJM / NYISO / ISO-NE & ERCOT CORRIDORSSTATES: PA, NY, NJ, OH, MD, VA, MA, TX
EIA & PJM / ISO-NE / ERCOT Interconnect Monitor: Peak Load & Substation Transformer Reserve Notice
Impacted Areas / Corridors:PJM Mid-Atlantic Interconnect, NYISO, New England ISO & Texas ERCOT

Regional transmission interconnects reporting elevated reserve margins. Keep home LiFePO4 battery stations at 80–100% readiness and ensure portable generators use a UL-listed NEC Article 702 transfer switch.

Today • Hourly Federal Grid Telemetry1.5 HRS AGOU.S. ENERGY INFORMATION ADMINISTRATIONVerify at eia.gov
HIGH
OFFICIAL GOV SOURCEREGION: ALL NORTHERN LATITUDE STATES & NATIONWIDESTATES: ALL 50 STATES, NY, ME, MI, MN, ND, MT, WA, AK
NOAA Space Weather Prediction Center: Geomagnetic K-Index Watch & HF Radio Propagation Bulletin
Impacted Areas / Corridors:High-Latitude Northern Tier States (40°N+) & Nationwide HF Radio Bands

Elevated solar wind and coronal mass ejection (CME) activity can degrade 40m/80m HF radio propagation and induce geomagnetic currents in long transmission lines. Keep spare GMRS/Ham transceivers inside shielded storage when not in use.

Today • 3-Day Solar & Geomagnetic Forecast3 HRS AGONOAA SPACE WEATHER PREDICTION CENTERVerify at swpc.noaa.gov
HIGH
OFFICIAL GOV SOURCEREGION: NATIONWIDE MUNICIPAL UTILITIES (ALL 50 STATES)STATES: ALL 50 STATES
CISA Critical Infrastructure Advisory: Securing Municipal Water & Regional Utility SCADA Relays
Impacted Areas / Corridors:Municipal Water Districts, Rural Electric Co-ops & Wastewater Facilities Nationwide

CISA recommends heightened vigilance for municipal water treatment and utility operators. Households in all 50 states should maintain independent 14-to-30-day potable water filtration and dry calcium hypochlorite (pool shock) reserves.

Today • Verified DHS/CISA Bulletin5 HRS AGOCISA (DEPT. OF HOMELAND SECURITY)Verify at cisa.gov
CRITICAL
OFFICIAL GOV SOURCEREGION: PACIFIC COAST, CASCADIA & INTERMOUNTAIN WESTSTATES: CA, OR, WA, AK, NV, UT, ID, MO, TN
USGS Seismic & Hydrologic Monitor: Fault-Zone Activity & Surface Streamflow Watch
Impacted Areas / Corridors:San Andreas & Cascadia Subduction Zones, Intermountain West & New Madrid Fault

Real-time monitoring of seismic fault lines and surface water levels. Always combine pre-filtration, boiling or 0.1-micron filtration, and measured chlorination when drawing from surface streams after ground movement or flooding.

Last 24 Hours • Verified USGS Telemetry8 HRS AGOU.S. GEOLOGICAL SURVEY (USGS)Verify at usgs.gov
HIGH
OFFICIAL GOV SOURCEREGION: NORTHEAST, APPALACHIA & GREAT LAKES FLYWAYSSTATES: NY, PA, VT, NH, ME, MA, OH, MI, WI, VA, WV, NC
USDA Extension & Homestead Resilience: Northeast & Midwest Backyard Poultry Biosecurity & Calorie Crops
Impacted Areas / Corridors:Atlantic & Mississippi Migratory Flyways, Rural Homesteads & Suburban Coops

Protecting backyard laying flocks with predator-proof 1/2-inch hardware cloth, covered runs, and first-flush rainwater catchment prevents avian pathogen exposure along migratory flyways while securing daily household protein.

Last 24 Hours • Verified USDA Guidance18 HRS AGOUSDA APHIS & EXTENSION SERVICEVerify at usda.gov
ELEVATED
OFFICIAL GOV SOURCEREGION: SOUTHEAST US, GULF COAST & CAROLINA PIEDMONTSTATES: FL, GA, SC, NC, VA, AL, MS, LA, TX
NHC & Southeast Gulf/Atlantic Basin Readiness: Tropical Moisture, Flash Flood & Generator Safety
Impacted Areas / Corridors:Gulf Coast, Florida Peninsula, Atlantic Coastal Plain & Blue Ridge Escarpment

Heavy precipitation and saturated soils increase flash-flooding and prolonged feeder-line outages across the Southeast and Appalachia. Stage WHO Oral Rehydration Salts (ORS) for high-humidity heat exhaustion and verify generator CO spacing.

Past 7 Days • Official NHC Advisory1 DAY AGONOAA NATIONAL HURRICANE CENTERVerify at nhc.noaa.gov
HIGH
REGION: ALL REGIONS // GPS-DENIED BACKCOUNTRYSTATES: ALL 50 STATES
Off-Grid Edge AI & GPS-Denied Navigation Research: Visual Odometry, LoRa Mesh & Low-Power Hardware
Impacted Areas / Corridors:Backcountry Wilderness, Maritime Waterways & Off-Grid Communications Sectors

Advances in offline edge computing and visual-inertial navigation highlight the importance of mastering manual magnetic declination, pace-bead dead reckoning, and physically Fit-for-Duty load carriage when electronic GPS is jammed or unavailable.

Past 7 Days • Verified Academic Preprints1.5 DAYS AGOCORNELL ARXIV ROBOTICS & EDGE AIVerify at arxiv.org
ELEVATED
INTERACTIVE FIELD CALCULATORS & RADIO TOOLS

Live Preparedness Calculators & Off-Grid Radio Suite

Open All Field Tools

Emergency Food, Water & Medical Supply Matrix

Individual household and pet roster, daily calorie/water targets, custom bulk food storage calculations, and essential medication tracking.

Plan Horizon:

1. Individual Household & Pet Roster (0 Members)

No household members or pets added yet. Click "+ Add Member / Pet" above to enter your real family members and calculate your exact water and food storage requirements.
Total Period Energy0.00M kcal
For 365 Days (0 Humans + 0 Pets)
Total Period Water0 Gal
Combined Household & Pet Target
Daily Human Macros
PRO: 0gCHO: 0gFAT: 0g
Avg Per Person Daily Target
Hygiene & Sanitation
Bleach: 0 GalSoap: 0
Bags: 0

2. Custom Emergency Food Stash Matrix

Add, remove, or edit dry food staples. Quantities scale automatically to match your 365-day target horizon.

3. Essential Prescription Medications & Medical Supplies Log (0 Logged)

No prescription medications or medical supplies logged. Click "Add Medication / Supply" to track critical health needs.

4. Combined Household Supply Logistics Manifest

ItemActual ShareGross Weight (365 Days)Bucket Count
Hard White Wheat30.0%0 lbs0 buckets
White Rice25.0%0 lbs0 buckets
Dried Pinto Beans20.0%0 lbs0 buckets
Rolled Oats10.0%0 lbs0 buckets
Dry Kibble (Canine/K9)10.0%0 lbs0 buckets
Sugar / Salt5.0%0 lbs0 buckets
FOOD STORAGE, BOTULISM PREVENTION, WATER & MEDICAL DISCLAIMER:All calorie calculations, food storage plans, water estimates, and medication logs are provided solely for educational preparedness planning. Botulism & Spoilage Safety: Only seal dry, low-oil foods with less than 10% moisture content (such as white rice, wheat, oats, and dried beans) in Mylar bags with oxygen absorbers; never seal moist foods in anaerobic packaging, and always follow USDA pressure-canning rules for low-acid foods. Immediately discard any swollen, rusted, moldy, or foul-smelling food container. Consult a physician or veterinarian regarding specific medical, infant, pregnancy, allergen, or pet nutrition requirements.
FIELD MANUALS & PREPAREDNESS GUIDES

In-Depth Survival, Foraging & Off-Grid Field Guides

View Complete Guide Library
Food Storage
8 min read

Deep Larder: 20-Year Calorie Storage Math for Families

To achieve true self-reliance, you must master the caloric equations of a 20-year deep larder: low-moisture bulk grains, legumes, 7-mil Mylar bags, and 2,000cc oxygen absorption.

DIRECT ANSWER: To achieve a 20-year shelf life for your food supply, you must maintain a 'Deep Larder' consisting of low-moisture bulk grains, legumes, and sugars sealed in 7-mil Mylar bags with a minimum of 2,000cc of oxygen absorption per 5-gallon bucket. The calorie math for a family of four requires 2.9 million calories per year, which equates to approximately 1,200 pounds of dry goods stored in a temperature-controlled environment under 60°F.
FIELD PROTOCOL
Read Protocol
Survival Gear
7 min read

The 15% Rule: Physics-Based Ruck Optimization

For sustained, multi-day movement without biomechanical failure, a survivalist's rucksack must never exceed 15% of body weight. Physics and physiology beat heavy, redundant gear every time.

DIRECT ANSWER: The 15% Rule dictates that for sustained, multi-day foot movement without significant musculoskeletal injury or combat degradation, total rucksack weight should not exceed 15% of your lean body weight. Exceeding this threshold accelerates spinal compression, increases caloric expenditure by 25%+ per mile, and critically delays tactical reaction time during environmental contact.
FIELD PROTOCOL
Read Protocol
Emergency Comms
9 min read

Digital Blackout: Survival Protocol for Comms When Cell Towers Die

When the power grid trips and cell towers exhaust their 4-hour backup batteries, civilization goes mute. Here is your tactical protocol for GMRS, Ham radio, and 5-minute comms windows.

DIRECT ANSWER: In a total digital blackout where cellular towers are non-functional, the primary survival protocol is to transition to GMRS (General Mobile Radio Service) for localized group coordination (1-5 miles) and licensed HAM radio (High Frequency bands) for regional intelligence. Maintain a 'Comms Window' of 5 minutes at the top of every hour to preserve battery life and minimize electronic direction-finding detection.
FIELD PROTOCOL
Read Protocol
Survival Skills
6 min read

Urban Foraging: Finding Calories When the Grid Goes Dark

Concrete blinders blind most humans. Where the herd sees invasive weeds, the trained eye sees edible bio-calories. The definitive field guide to urban and suburban foraging.

DIRECT ANSWER: The top three urban forage targets with near-zero toxic lookalikes are Dandelion (Taraxacum officinale - 100% edible root, leaf, and flower), Broadleaf Plantain (Plantago major - high in vitamins A, C, and K), and Oak Acorns (Quercus spp. - calorie- and fat-dense once bitter tannins are leached with water). Always forage at least 50 feet away from major roadways to avoid lead, brake dust, and petrochemical runoff.
FIELD PROTOCOL
Read Protocol
Bug Out Planning
8 min read

The Spartan's Guide to Bug-Out Bags: Why 90% of Preppers Fail on Day 3

Why do most survivalists collapse by Day 3 of an evacuation? Weight creep, caloric exhaustion, and hypothermia. Here is the Spartan bug-out system stripped down to kinetic survival.

DIRECT ANSWER: Ninety percent of bug-out bags fail by Day 3 due to the lethal trifecta: excessive pack weight (exceeding 20% of body weight), acute dehydration caused by inadequate mobile filtration, and core body hypothermia from wet cotton clothing. A Spartan Bug-Out Bag eliminates all non-essential tactical cosplay, capping dry weight at 18 lbs while prioritizing immediate water purification, active thermoregulation, and high-density fats.
FIELD PROTOCOL
Read Protocol
Survival Skills
10 min read

Wild Plant & Mushroom Foraging: Botanical Staples, The Safe 6 Fungi, Deadly Lookalikes & FM 21-76 Protocol

Master both wild edible plant identification (Cattail, Ramps, Nettle, Oak Acorns, Yarrow) and the 6 safest wild edible mushrooms, memorize the lethal Amatoxin & Hemlock Lookalike Kill-List, and execute the US Army FM 21-76 Protocol.

DIRECT ANSWER: In a grid-down survival scenario, wild foraging requires mastering both vascular plants (Cattail rhizomes, White Oak acorns, Stinging Nettle, Ramps, and Yarrow) and the 'Safe 6' morphologically distinct mushrooms lacking true gills or possessing unmistakable traits: Morels (hollow interior), Lion's Mane (cascading white spines), Chicken of the Woods (bright orange/yellow polypore), Giant Puffballs (solid pure-white interior), Chanterelles (forked false ridges), and Oyster Mushrooms (decurrent gills on hardwood). Never apply the US Army FM 21-76 Plant Edibility Test to fungi or Apiaceae umbrella plants—amatoxins in Destroying Angels/Death Caps and cicutoxin in Water Hemlock are fatal.
FIELD PROTOCOL
Read Protocol
Bug Out Planning
9 min read

Subterranean PVC Cache Engineering & Zero-Knowledge GPS Triangulation

If you are forced to evacuate on foot, your 15% ruck weight limit means you cannot carry 30 days of supplies. Here is how to engineer waterproof, frost-proof underground supply caches along your egress corridor.

DIRECT ANSWER: A military-grade subterranean survival cache is constructed from Schedule 40 or Schedule 80 6-inch PVC pipe cut to 36 inches in length, permanently solvent-welded at the bottom cap with purple primer and heavy-duty PVC cement, and sealed at the top with a threaded cleanout plug coated in food-grade silicone grease. Bury the cylinder vertically at least 36 inches below grade (below the regional frost-heave line) in well-drained high ground, scatter metallic decoy nails 6 inches beneath the topsoil to defeat metal detectors, and record the location using geodesic two-point compass triangulation and OPSEC-masked offline GPS.
FIELD PROTOCOL
Read Protocol
Off-Grid Power
9 min read

LiFePO4 Solar Microgrid Sizing & HEMP Faraday Cage Hardening Blueprint

Gasoline generators scream your location to a 1-mile radius and run dry in 72 hours. Calculate your exact daily Watt-hour load, size a silent LiFePO4 solar array, and harden spare electronics against E1/E3 HEMP pulses.

DIRECT ANSWER: To size a silent, indefinite off-grid solar microgrid, calculate your Critical Daily Load in Watt-hours (Wh)—typically 600 Wh/day for a high-efficiency DC chest freezer, GMRS/Ham radio chargers, LED perimeter lighting, and medical devices—and multiply by 3 to establish a 72-hour zero-sun battery buffer (1,800 Wh minimum LiFePO4 capacity). Pair this with 400W to 600W of monocrystalline PV panels assuming 3.5 Peak Sun Hours, and store a backup MPPT charge controller, pure-sine inverter, and handheld transceivers inside a double-nested, galvanically isolated Faraday enclosure providing >60 dB of E1 HEMP attenuation.
FIELD PROTOCOL
Read Protocol
Water & Filtration
8 min read

Grid-Down Water Purification: Two-Stage Filtration & NaDCC Chemical Math

Liquid household bleach degrades by 50% every 12 months, and hollow-fiber filters alone do not stop enteric viruses or agricultural pesticides. Master the 3-stage military water purification protocol.

DIRECT ANSWER: True grid-down water safety requires a 3-stage purification train: (1) Pre-filtration through a 1-micron cotton sediment cloth to prevent membrane fouling, (2) 0.1-micron hollow-fiber + activated carbon gravity filtration to strip protozoa (Giardia, Cryptosporidium), bacteria (E. coli, Cholera, Typhoid), and chemical VOCs, and (3) dry-crystalline chemical disinfection using Sodium Dichloroisocyanurate (NaDCC / Aquatabs) or Calcium Hypochlorite (Pool Shock) at 2 to 4 ppm free chlorine to eradicate sub-micron viruses (Hepatitis A, Norovirus, Rotavirus). Unlike liquid bleach, dry NaDCC and Calcium Hypochlorite maintain potency for 5 to 10+ years.
FIELD PROTOCOL
Read Protocol
Bug Out Planning
8 min read

The First 60 Minutes of Grid Collapse: Family ICS, RACI & OODA SOP

In the first 60 minutes of a catastrophic blackout, uncoordinated families waste the Golden Hour arguing or scrolling dead phones. Apply PMBOK Critical Path, FEMA ICS, and RACI matrices to execute with zero panic.

DIRECT ANSWER: To win the 'Golden Hour' (the first 60 minutes of a sudden grid collapse), a household must operate under a pre-assigned FEMA Incident Command System (ICS) and RACI Responsibility Matrix rather than ad-hoc debate. Within T+00:00 to T+00:15, the Logistics Lead captures remaining municipal water pressure into bathtub bladders before gravity tanks empty; the Commander trips the 200A main electrical breaker to protect appliances from dirty grid re-closure surges; the Comms Lead powers up NOAA/GMRS receivers on the PACE schedule; and at T+00:45 the family executes a quantitative OODA Loop assessment to lock in a Bug-In or Bug-Out posture.
FIELD PROTOCOL
Read Protocol
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1. Irrevocable Hold-Harmless Release & Indemnification of LLC, Owners & Affiliates: By accessing, signing in, or subscribing to Prepper Field Guide, you expressly and irrevocably agree to release, waive, defend, indemnify, and hold completely harmless Prepper Field Guide, FORAGE WITH ME LLC, and all parent, subsidiary, sister, and affiliated LLCs, corporations, and business entities, together with their respective owners, members, managers, officers, directors, employees, contractors, authors, and agents (collectively, the "Released Parties"), from and against any and all claims, lawsuits, liabilities, damages, personal injury, illness, poisoning, property damage, financial loss, attorneys' fees, or wrongful death. All guides, sheets, maps, and calculators are provided strictly "AS IS" and "AS AVAILABLE" for educational planning only.

2. Building, Construction & Excavation (Call 811): All homestead building estimators, shelters, root cellars, and cache burial diagrams are conceptual aids and not licensed architectural or structural engineering plans. Always verify local building codes and permits with a licensed contractor and call 811 before digging.

3. Food Storage, Botulism (<10% Moisture) & Water Safety: Never seal foods with >10% moisture in Mylar bags with oxygen absorbers (fatal botulism hazard) and follow USDA pressure-canning standards. Boiling or chlorine dosing inactivates biological pathogens per EPA/CDC guidelines, but does not remove heavy metals or chemical toxins.

4. Wild Foraging (1-800-222-1222), Medical (911), Electrical (NEC 702), Radio (FCC) & Binding Arbitration: Never ingest wild plants or mushrooms without 100% in-person expert identification. In an emergency call 911 or Poison Control (1-800-222-1222). Never backfeed a panel without a UL-listed transfer switch installed by a licensed electrician (NEC Article 702), and comply with FCC Part 95/97 rules. You agree to binding individual arbitration, waive any right to a class action or jury trial, and agree that the Released Parties' maximum aggregate liability shall never exceed the amount you paid in the preceding 12 months.

5. U.S. Design Scope vs. Other Countries & 100% Individual Responsibility: This site and app were designed primarily for United States residents; emergency numbers (911, 811 utility locate, 1-800-222-1222 Poison Control), radio frequencies (FCC GMRS/FRS/NOAA), electrical codes (NEC), and agency standards (USDA/EPA/CDC/FEMA) are specific to the U.S. and differ in other countries. All emergency contact info, plans, and actions are 100% the responsibility of the individual user—not the site, app, or LLC. Always exercise your own caution and consult qualified local experts.

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OFFLINE-READY // PRINTABLE MANUAL + CUSTOM BOOK BUILDER + GPS MAPS

Complete Printable Survival Manual, Custom Book Builder, GPS Route Planner & Vault

Cellular towers and cloud servers fail when the grid goes down. Your VIP Membership unlocks all 42+ printable reference sheets, the Custom 3-Ring Binder Book Builder, Multi-Leg Driving & Walking GPS Route Planner, Complete Wild Plant & Mushroom Foraging Guide, and 100% Offline Access across Web & Android.

42+ Printable Reference Sheets + Custom Book Builder
Driving & Walking Bug-Out Route Planner + GPX/KML Export
10-Scenario SHTF Self-Assessment + Excel (.CSV) Exports
Full Wild Plant & Mushroom Foraging Guide + Cache Blueprints
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