What Are Ham Radio Frequencies: A Tactical COMMS Guide

Table of Contents

1. Introduction
2. Understanding the Radio Spectrum
3. The Technician’s Toolset: VHF and UHF Frequencies
4. The General’s Reach: HF Bands for Strategic COMMS
5. GMRS, FRS, and MURS: The Confusion Point
6. Frequency Use and Etiquette
7. Hardware: Choosing the Right Radio
8. The Role of Antenna Physics
9. Step-by-Step: How to Legally Access Ham Frequencies
10. Advanced Techniques: NVIS and Digital Modes
11. Tactical COMMS Planning
12. The Importance of Practice
13. Building Your Radio Kit
14. Summary of Frequency Bands
15. Conclusion
16. FAQ

Introduction

In a serious SHTF (Sustainment, Hitting The Fan) scenario, your cell phone is a paperweight. When the grid drops, information becomes the most valuable currency on the battlefield. Understanding what are ham radio frequencies and how to navigate the airwaves is the difference between being isolated and having a tactical advantage. We at Crate Club know that gear is only as good as the operator’s ability to use it. Amateur radio, or "ham" radio, provides a massive range of frequencies that allow for everything from local tactical coordination to international intelligence gathering. This guide breaks down the electromagnetic spectrum from a practical, field-tested perspective. We will cover the specific bands you need to know, the hardware required to hit them, and why certain frequencies outperform others based on your environment.

Quick Answer: Ham radio frequencies are specific slices of the radio spectrum—ranging from 1.8 MHz to over 1,300 MHz—reserved by the FCC for licensed amateur use. They are divided into bands like HF, VHF, and UHF, each offering unique advantages for local, regional, or long-distance communication.

If you are building your preparedness loadout from the ground up, start with the Lieutenant tier and add communications gear as your skills develop.

Understanding the Radio Spectrum

Before you twist a dial, you have to understand the map. Radio frequencies are measured in Hertz (Hz), representing the number of cycles per second. In the tactical world, we deal mostly with Kilohertz (kHz), Megahertz (MHz), and Gigahertz (GHz).

The "Ham" spectrum is not one continuous block. It is a series of "bands" or designated neighborhoods. If you transmit outside these neighborhoods, you are either stepping on commercial toes, interfering with emergency services, or broadcasting where no one is listening. For a prepper or tactical enthusiast, the spectrum is divided into three main operational theaters: HF, VHF, and UHF.

For a broader overview, compare these details with this comprehensive ham radio frequency guide.

HF (High Frequency): 3 MHz to 30 MHz

HF is the king of long-distance communication. Because of a phenomenon called "skip," these waves can bounce off the ionosphere—a layer of the Earth's atmosphere—and travel thousands of miles. This is known as Beyond Line of Sight (BLOS) communication. If you need to talk to a contact three states over or listen to international broadcasts during a global crisis, HF is your primary tool.

VHF (Very High Frequency): 30 MHz to 300 MHz

VHF is the standard for local and regional COMMS (communications). These waves are larger and more prone to "bending" over hills or following the curvature of the Earth better than higher frequencies. The 2-meter band (144–148 MHz) is the most popular ham band in the world for a reason: it balances range and portability perfectly.

UHF (Ultra High Frequency): 300 MHz to 3 GHz

UHF frequencies have shorter wavelengths. This makes them excellent for penetrating urban environments, buildings, and dense foliage. While they don't "bend" over mountains as well as VHF, they are the gold standard for tactical team movements in "built-up" areas.

The Technician’s Toolset: VHF and UHF Frequencies

Most operators start with a Technician Class license. This gives you nearly full access to the VHF and UHF bands. For everyday carry (EDC) and local tactical coordination, these are the frequencies you will live on.

For help selecting equipment, review how to use an emergency radio for reliable communication.

The 2-Meter Band (144.000–148.000 MHz)

This is the "Survivalist Standard." Most handheld transceivers (HTs) are optimized for this band. It is widely used for emergency repeaters. A repeater is a fixed station that receives your signal and re-broadcasts it at higher power from a higher elevation, vastly increasing your range.

• 146.520 MHz: The National Calling Frequency. If you are lost or need to find another operator, this is where you start.
• Tactical Use: Excellent for "simplex" (radio-to-radio) communication over 5–10 miles depending on terrain.

The 70-Centimeter Band (420.000–450.000 MHz)

This is the primary UHF band for ham operators. Because the waves are smaller, the antennas can be smaller. This is ideal for covert or low-profile kits.

• Tactical Use: Best for intra-team COMMS in an urban environment. If you are operating inside a parking garage or a steel-frame building, 70cm will often punch through where 2m fails.
• 446.000 MHz: The National UHF Calling Frequency.

Field Note: In dense woods, VHF (2m) usually wins. In the city, UHF (70cm) is your best bet. Always carry a dual-band radio to give yourself options based on the "clutter" in your immediate area.

When configuring a radio for movement, learn where to place a radio on a plate carrier so the controls, antenna, and cables remain accessible.

The General’s Reach: HF Bands for Strategic COMMS

To truly master the airwaves, you need to move into HF frequencies. This requires a General Class license or higher. HF allows you to bypass downed cell towers and internet blackouts to get "the ground truth" from distant regions.

Operators building a more advanced communications setup can explore the General tier for professional-grade preparedness gear.

80 Meters (3.5–4.0 MHz)

Often called the "Rag Chew" band, but in a survival context, it is the "NVIS" band. Near Vertical Incidental Skywave (NVIS) is a technique where you bounce a signal almost straight up so it rains back down in a "circular" pattern covering 0 to 300 miles. This is critical for regional coordination where mountains would normally block your signal.

40 Meters (7.0–7.3 MHz)

The workhorse of the HF world. It is reliable during the day and stays open well into the night. If you can only have one HF antenna, make it a 40m dipole. It provides solid regional and long-distance coverage.

20 Meters (14.0–14.35 MHz)

The "DX" (distance) band. During the day, 20m is almost always open to the world. If you need to hear what’s happening on the other side of the country, this is your frequency. It is less affected by local noise and atmospheric conditions than the lower bands.

Key Takeaway: HF frequencies (3–30 MHz) are for strategic, long-distance intelligence. VHF/UHF frequencies (30–450 MHz) are for tactical, local coordination. A prepared operator maintains capabilities in both.

GMRS, FRS, and MURS: The Confusion Point

Many people confuse General Mobile Radio Service (GMRS) or Family Radio Service (FRS) with ham radio. While they share some characteristics, the frequencies and rules are different.

• FRS (Family Radio Service): These are the "blister pack" radios you buy at big-box stores. They operate on 22 channels between 462 and 467 MHz. They are low power (0.5 to 2 Watts) and have fixed antennas. No license is required.
• GMRS (General Mobile Radio Service): These also operate on the 462 and 467 MHz frequencies but allow for much higher power (up to 50 Watts) and removable antennas. A license is required, but there is no test. As we've seen in our community, GMRS is a great entry point for family COMMS, but it lacks the versatility of ham.
• MURS (Multi-Use Radio Service): Operates on five frequencies near 151 and 154 MHz. These are VHF frequencies and do not require a license. They are excellent for perimeter sensors or local job-site COMMS.

For a deeper comparison of radio services, read the guide to GMRS versus CB radio.

At Crate Club, we often include high-quality EDC tools and survival gear in our Captain Tier that complement these short-range systems. However, for those looking for the "007" level of capability, the General Tier often features more advanced tactical lighting and equipment that fits into a high-end ham radio loadout.

Frequency Use and Etiquette

Knowing the frequency is only half the battle. You must know how to use it without drawing unnecessary attention or violating FCC regulations.

1. Listen Before You Talk: This is the golden rule. Ensure the frequency is clear before you key the mic.
2. Use Your Call Sign: Legally, you must identify yourself every 10 minutes and at the end of your transmission.
3. Plain Language: In a civilian emergency context, avoid "10-codes." Use plain English. "I am at the intersection of Main and 5th" is better than "10-20 at Main and 5th."
4. Keep it Brief: Tactical COMMS should be "short, back, and gone." Long-winded stories tie up frequencies and make you easier to locate via direction-finding.

For more practical communication habits, review this tactical walkie-talkie etiquette guide.

Essential Frequency List for Your Rite-in-the-Rain Notebook

Hardware: Choosing the Right Radio

Your frequency choice dictates your hardware. You cannot hit 40 meters with a handheld radio unless you have a very specific (and expensive) setup.

Handheld Transceivers (HT)

The most common tactical radio. These usually cover 2m and 70cm. They are perfect for your plate carrier or bug-out bag. Brands like Sig Sauer and other tactical leaders understand the importance of ruggedized gear; apply that same logic to your radio. Buy something weather-resistant with a replaceable antenna.

Mobile Rigs

These are mounted in your vehicle. They typically offer 50 Watts of power compared to the 5 Watts of a handheld. This extra "grunt" allows you to hit distant repeaters or punch through heavy weather.

Base Stations

These are "shack" radios for your home or retreat. They are capable of HF, VHF, and UHF. A base station like this, paired with a high-gain antenna, makes you a regional communications "hub." For those aiming for this level of preparedness, our Major Tier often provides the premium gear discovery needed to build out an advanced tactical setup.

Browse the Crate Club Gear Shop when you are ready to compare individual equipment for your communications kit.

The Role of Antenna Physics

The frequency determines the length of your antenna. This is a non-negotiable law of physics.

• Lower Frequencies (HF): Require long wires. A 40-meter dipole antenna is roughly 66 feet long.
• Higher Frequencies (VHF/UHF): Use short "whips." A 2-meter antenna is only about 19 inches.

If your antenna is not "tuned" to the frequency you are using, the energy travels back into the radio instead of out into the air. This is called SWR (Standing Wave Ratio). High SWR will burn out your radio's internals.

Bottom line: Always match your antenna length to your frequency band to ensure your signal actually leaves the wire.

Step-by-Step: How to Legally Access Ham Frequencies

Operating on these frequencies without a license is illegal in the US, except in immediate life-or-death situations. More importantly, the license process teaches you how to actually use the gear.

Step 1: Obtain an FRN.
Go to the FCC’s CORES (Commission Registration System) website and register for an FCC Registration Number (FRN). You will need this to take your test and pay your fees.

Step 2: Study for the Technician Exam.
Use resources like HamStudy or ARRL manuals. The Technician exam covers basic regulations, safety, and electronic theory. It is a 35-question multiple-choice test.

Step 3: Find a VEC.
A Volunteer Examiner Coordinator (VEC) is a fellow ham authorized to give the test. Many clubs offer online testing now via Zoom.

Step 4: Pay the FCC Fee.
Once you pass, the FCC will email you a link to pay the $35 administrative fee. After payment, your call sign will be issued within a few days.

Step 5: Program your radio.
Don’t just "poke around." Use software like CHIRP to program local repeaters and emergency frequencies into your radio so they are ready when the stress levels are high.

Advanced Techniques: NVIS and Digital Modes

Once you understand the basic frequencies, you can explore specialized modes that provide a tactical edge.

NVIS (Near Vertical Incidental Skywave)

As mentioned, this is the "holy grail" for regional tactical COMMS. By using a horizontal antenna close to the ground on the 40m or 80m bands, you eliminate the "dead zone" that usually exists between your local line-of-sight and the point where a signal skips off the atmosphere. It provides a reliable "umbrella" of coverage for your team.

Digital Modes (FT8, JS8Call, Winlink)

Digital modes allow you to send text messages or emails over ham frequencies.

• JS8Call: This is specifically designed for weak-signal tactical messaging. It allows you to send "heartbeat" pings to see who is active without initiating a full conversation.
• Winlink: This is "email over radio." Even if the internet is down globally, you can send an email via a radio gateway in a different part of the world.

If you want to see how Crate Club organizes preparedness gear, explore past Supply Drop contents.

Tactical COMMS Planning

Simply having a radio is not a plan. You need a PACE plan. PACE stands for Primary, Alternate, Contingency, and Emergency.

• Primary: Cell phones/Internet (while they work).
• Alternate: GMRS or MURS for local team coordination.
• Contingency: Ham 2-meter repeaters or simplex frequencies.
• Emergency: HF frequencies (80m NVIS) or satellite COMMS.

Each level of your PACE plan should be assigned a specific frequency and a check-in time. For example: "If the Primary fails, monitor 146.520 MHz at the top of every hour."

For a broader survival communications setup, compare the best types of radios for survival.

The Importance of Practice

The time to learn how to find a frequency is not when the smoke is rising. You need to get on the air regularly. Join a local net (a scheduled on-air meeting). This tests your equipment and builds your "radio ear."

At Crate Club, we believe in the "train like you fight" mentality. Every piece of gear in our crates is meant to be used, tested, and integrated into your skills. Amateur radio is a skill that takes time to master, but once you do, you become a force multiplier for your family and your community.

Field Note: Don't be the guy with a $500 radio and a $5 antenna. Spend the money on a high-quality antenna and learn how to deploy it in the field. A wire in a tree will always outperform a high-end radio with a "rubber ducky" antenna.

Building Your Radio Kit

A complete ham radio kit should be modular.

1. The HT Kit: Your handheld radio, a high-gain whip antenna (like a Nagoya), a spare battery, and a tactical headset.
2. The Go-Bag: A roll-up J-pole antenna for VHF, a lightweight HF transceiver (like an ic-705), and a Bioenno lithium iron phosphate (LiFePO4) battery.
3. The Base: A 100-watt HF rig, a power supply, and a permanent wire antenna in the backyard.

This modular approach ensures you have the right frequency access whether you are patrolling your property or hunkered down in a permanent structure.

If you are ready to build an advanced communications loadout, see what’s inside the Major tier.

Summary of Frequency Bands

To keep it simple, memorize this:

• HF (3-30 MHz): Distance and Regional. Use for intel and long-range coordination.
• VHF (144-148 MHz): Local and Mountains. Use for general tactical COMMS.
• UHF (420-450 MHz): Urban and Buildings. Use for intra-team movements.

Bottom line: Understanding the radio spectrum turns a piece of plastic and wire into a lifeline. Learn the bands, get licensed, and stay connected when it matters most.

Conclusion

Mastering what are ham radio frequencies is a fundamental pillar of modern preparedness. It moves you from a passive victim of circumstance to an active, informed operator. Whether you are using 2 meters for local tactical coordination or 40 meters to track regional events, ham radio provides a level of resilience that no other communication system can match. We at Crate Club are dedicated to putting the best gear in your hands, but the knowledge of how to use it—especially in the complex world of RF (Radio Frequency)—is what truly makes you prepared. Start with your Technician license, build your kit Tier by Tier, and join the community of operators who refuse to be silent when the world goes dark. If you're ready to upgrade your loadout with Spec Ops-vetted gear, choose your Crate Club subscription.

FAQ

Do I really need a license to use ham radio frequencies?

Yes, the FCC requires a license to transmit on amateur radio frequencies to ensure operators understand how to avoid interfering with critical services. While you can listen without a license, transmitting without one can result in significant fines and gear seizure, except in extreme life-or-death emergencies.

What is the best frequency for a bug-out scenario?

The 2-meter band (specifically the 146.520 MHz national calling frequency) is the gold standard for local emergency use. It offers a great balance of range and portability for handheld radios, and most emergency groups monitor this frequency during a crisis.

Can ham radios talk to "walkie talkies" like FRS or GMRS?

Technically, many ham radios can be programmed to those frequencies, but it is generally illegal to do so because ham radios are not FCC-certified for the FRS/GMRS bands. For tactical use, it is better to have everyone on the same service (either all Ham or all GMRS) to ensure legal and technical compatibility.

How far can I talk on a ham radio handheld?

With a standard 5-watt handheld radio and a good antenna, you can typically expect 2 to 5 miles of "simplex" (radio-to-radio) range in typical terrain. If you use a repeater, that range can extend to 50 miles or more, depending on the height and location of the repeater tower.