Prepperpedia

Communications Preparedness Guides

HAM radio, GMRS/FRS, mesh networking, family comms plans

36 articles

Reference Tablebeginner
Best GMRS Radios for Emergency Preparedness
GMRS radio comparison for emergency use. Handhelds, mobile units, and base stations — what the price difference buys, which models are worth it.
5 min readRead
How-Tobeginner
CB Radio Guide for Preppers: Channels, Range, and Equipment
Everything preppers need to know about CB radio: channel allocations, realistic range expectations, antenna selection, and how CB fits into an emergency communications plan.
6 min readRead
How-Tobeginner
Code Words and Duress Signals for Family Security
Establish family code words for all-clear, trouble, and duress situations. Simple protocols that work under pressure, teach children, and don't require memorizing complex codes.
5 min readRead
How-Tointermediate
Communication Relay Stations: Extending Radio Range
How to set up and use communication relay stations to extend your group's radio range. Cross-band repeaters, GMRS repeaters, Meshtastic nodes, and hilltop deployments.
6 min readRead
How-Tointermediate
DIY Antenna Construction for Improved Radio Range
How to build effective antennas for VHF/UHF and HF radio bands. Dipole, yagi, and J-pole designs with construction specifications, tuning, and performance expectations.
7 min readRead
How-Tobeginner
Emergency Communication for the Deaf and Hard of Hearing
Emergency communication strategies for deaf and hard of hearing individuals. Visual alert systems, text-based alternatives, emergency app tools, and planning for scenarios where standard communications fail.
7 min readRead
Deep Diveintermediate
Emergency Communication Nets: ARES, RACES, and NTS
How organized amateur radio emergency networks operate. ARES, RACES, NTS, and Winlink explained. How to join, what to expect, and how to be useful when disaster strikes.
8 min readRead
How-Tobeginner
Family Communications Plan
Build a family communications plan that works when phones don't. Meeting locations, out-of-area contact, school and work protocols, and communication cards for every family member.
6 min readRead
How-Tobeginner
Faraday Cage Construction for EMP Protection
Build effective Faraday cages for EMP and CME protection. Metal garbage cans, ammo cans, and dedicated shielding enclosures — what works, what doesn't, and what to protect.
6 min readRead
How-Tobeginner
Fire and Smoke Signals for Rescue
Signal fire technique for attracting rescue aircraft and distant observers. White smoke for day, bright flame for night, and the three-fire distress pattern explained.
5 min readRead
Quick Referencebeginner
Flashlight SOS and Morse Code Signaling
SOS in Morse code (... --- ...) for flashlight, headlamp, or any light source. Night signaling technique, when to signal, and the basic Morse characters worth knowing.
5 min readRead
Reference Tablebeginner
FRS vs. GMRS vs. MURS: Which Radio Service for Emergency Use?
FRS, GMRS, and MURS compared for emergency preparedness. Licensing requirements, power limits, range expectations, and which service fits which use case.
5 min readRead
How-Tointermediate
General License Upgrade: HF Privileges
Upgrade from Technician to General for HF access. What the exam covers, why 40m and 80m matter for emergency preparedness, and the HF station you actually need.
5 min readRead
How-Tobeginner
GMRS License: What It Is, What It Costs, Why It's Worth It
Get a GMRS license in under an hour. What GMRS gives you over unlicensed FRS, how to apply through the FCC, and what the $35 fee covers for your whole family.
5 min readRead
How-Tobeginner
GMRS Repeaters: How to Find and Use Them
How GMRS repeaters extend range to 20-50 miles. Finding local repeaters on mygmrs.com, programming CTCSS tones, accessing open repeaters, and contributing a repeater to your community.
6 min readRead
Quick Referencebeginner
Ground-to-Air Signals: What Rescue Pilots Look For
Standard ground-to-air signal symbols used by rescue pilots. The 9-symbol ICAO set, construction requirements, and what aircraft crews actually see and report.
4 min readRead
Deep Divebeginner
Ham Radio for Preppers: Why It's the Foundation
Why ham radio outperforms every other communication option in a real emergency. What you can actually do with a license, which frequencies matter, and how to get started.
5 min readRead
Reference Tablebeginner
Ham Radio Hardware Comparison: Baofeng to Yaesu
VHF/UHF handheld radios compared for emergency preparedness use. From Baofeng budget to premium Yaesu and Kenwood — what the price difference actually buys you.
5 min readRead
Deep Divebeginner
Ham Radio Technician License: Study Guide and FCC Process
Pass the Technician exam in 2-3 weeks. What the exam covers, free study resources, how to find an exam session, and the FCC registration process.
5 min readRead
Deep Diveintermediate
HF Radio: Cross-Country Communication Without Infrastructure
How HF radio reaches across the continent when everything else fails. Propagation mechanics, band selection by time of day, operating procedures, and when to expect contacts.
8 min readRead
Quick Referencebeginner
ICE Cards and Wallet Emergency Information
ICE (In Case of Emergency) cards for wallet carry. What first responders look for, what to include, how to make one, and the digital ICE feature on smartphones.
4 min readRead
How-Tointermediate
Internet Alternatives: Mesh Networks, Packet Radio, and Sneakernet
How to communicate and share information when internet infrastructure is down. Mesh networks, packet radio, and physical data transfer methods for grid-down scenarios.
6 min readRead
Deep Diveintermediate
Meshtastic: Off-Grid Text Messaging with LoRa Radios
Meshtastic creates encrypted mesh text messaging networks using cheap LoRa radios and your phone. No internet, no cell service, no license required. Setup, range, and real-world limitations.
6 min readRead
Quick Referencebeginner
Out-of-Area Contact: The Hub of Your Emergency Plan
Why long-distance calls work when local calls fail. Setting up an out-of-area contact, what they need to know, and how to use them during a regional emergency.
4 min readRead
How-Tobeginner
Programming Ham Radios with CHIRP
Program your ham radio with CHIRP: download local repeaters, add emergency frequencies, configure NOAA weather channels, and back up your channel list.
8 min readRead
How-Tointermediate
Radio Direction Finding: Locating Transmitters
How to locate radio transmitters using direction finding techniques. Loop antennas, handheld directional antennas, triangulation methods, and practical applications for preppers.
6 min readRead
Deep Divebeginner
Radio Propagation Basics: Why Signals Go Where They Go
How VHF/UHF and HF signals travel differently, why range varies by frequency and time of day, and how to use propagation knowledge for emergency planning.
7 min readRead
Quick Referencebeginner
Rally Points and Family Meeting Locations
How to establish rally points for home, neighborhood, and regional emergencies. What makes a good meeting location, how to brief family members, and primary/alternate/contingency planning.
5 min readRead
Reference Tablebeginner
Satellite Communicators for Preppers: InReach, Zoleo, SPOT Compared
Comprehensive comparison of satellite communicator devices for emergency communication. Coverage, messaging capabilities, SOS functions, subscription costs, and which scenarios each serves best.
6 min readRead
How-Tointermediate
Scanner Programming: How to Monitor Police and Emergency Channels
How to program and use a radio scanner for emergency monitoring. Frequency sources, digital trunking systems, programming software, and what to listen for in a crisis.
6 min readRead
How-Tobeginner
Shortwave Listening: International News Gathering for Preppers
How to use a shortwave receiver for international news and emergency broadcasting. Receiver selection, frequency lists, best listening times, and what you can realistically hear.
6 min readRead
How-Tobeginner
Signal Mirror Technique: Visible Up to 10 Miles
Signal mirror technique for attracting aircraft and distant observers. Aimed mirror flash can be seen up to 10 miles in sunlight. Method, aiming, practice.
5 min readRead
How-Tobeginner
Teaching Children Your Emergency Communications Plan
Age-appropriate methods for teaching children emergency contact information, meeting locations, and what to do when separated. Drills, games, and repetition techniques that stick.
6 min readRead
Quick Referencebeginner
Whistle Signal Codes for Emergency Communication
Universal whistle signal codes. Three blasts means distress. How to signal for help, establish contact, and set up group whistle protocols.
4 min readRead
Deep Diveintermediate
Winlink: Send Email Over Radio Without Internet
Winlink allows email exchange over amateur radio without internet. HF connects to stations anywhere in North America; VHF reaches local gateways. Setup, software, and how it works during emergencies.
6 min readRead
How-Tointermediate
Written Message Systems: Dead Drops and OPSEC for Physical Communication
How to establish and use physical written message systems for grid-down communication with strong operational security. Dead drops, coded messages, waterproofing, and signal systems.
7 min readRead

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