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FCC Radio & Licensing Articles

Guides, explainers, and deep dives into FCC licensing — amateur radio, GMRS, maritime, aircraft, and more.

April 12, 2026

International Call Signs: How US Ham Formats Compare to Other Countries

Amateur radio call signs follow ITU international standards. Here's how US formats compare to call sign systems in other countries.

April 8, 2026

Famous Ham Radio Operators and Their Call Signs

Many well-known figures have held amateur radio licenses. Here's a look at some famous hams and the call signs that identified them on the air.

April 4, 2026

Ham Radio and Emergency Communications: ARES, RACES, and SKYWARN

Amateur radio operators play a vital role in emergency communications through ARES, RACES, and SKYWARN. Here's how these programs work and how to get involved.

March 31, 2026

What Is a Radio Club and How Do They Get Licensed by the FCC?

Amateur radio clubs can hold their own FCC licenses separate from individual members. Here's the club licensing process and what it means for the club.

March 15, 2026

Using FCC Data for Emergency Management and Public Safety

FCC license data is a valuable resource for emergency managers planning radio communication networks. Here's how public safety professionals use it.

March 11, 2026

How to Verify a Ham License Before a Contest or Net

Contest operators and net control stations sometimes need to verify that a participant holds a valid FCC license. Here's how to do a quick verification.

March 7, 2026

What Is Location and Monitoring Service (LMS) Licensing?

LMS licenses authorize systems that track vehicle locations and monitor remote equipment. Here's how this specialized FCC service works.

March 3, 2026

Wireless Communications Service (WCS): The 2.3 GHz Band Explained

WCS licenses cover the 2305–2360 MHz band — a slice of spectrum with a complicated regulatory history and growing importance for 5G.

February 27, 2026

Railroad Radio Licensing: How the FCC Licenses Train Communications

Railroads rely on licensed radio for dispatch, crew communication, and safety systems. Here's how railroad radio licensing works under FCC Part 90.

February 23, 2026

What Is a Microwave License and Who Typically Holds One?

Microwave licenses authorize point-to-point and point-to-multipoint links in high-frequency bands. Here's who uses them and how they appear in FCC records.

February 19, 2026

What Are 700 MHz Spectrum Licenses? FCC Band Allocation Explained

The 700 MHz band is one of the most valuable spectrum resources in the US, used for public safety and commercial 4G/5G networks. Here's how it's licensed.

February 15, 2026

Understanding FCC Radio Service Codes: A Complete Reference

Every FCC license is categorized by a radio service code. Here's what the most common codes mean and how to use them to filter license searches.

February 11, 2026

What Is Educational Broadband Service (EBS)? The IG License Explained

Educational Broadband Service (EBS) licenses occupy the 2.5 GHz band and have a unique history tied to educational television. Here's what the IG service code means.

February 7, 2026

How to Find All Licenses Associated With a Person's FRN

An FCC FRN ties all your licenses together. Here's how to pull up every FCC authorization associated with a single registration number.

February 3, 2026

Aircraft Radio: FCC Licensing Requirements for Private Pilots

Private pilots need to understand FCC aviation radio rules, especially for international flight. Here's what every GA pilot should know about radio licensing.

January 30, 2026

Inland Waterway Radio Licensing in the United States

The US inland waterway system has its own radio licensing rules. Here's what commercial and recreational operators on rivers, lakes, and canals need to know.

January 26, 2026

What Is AMTS? The Automated Maritime Telecommunications System Explained

AMTS is a specialized FCC-licensed maritime radio service for data and voice communication along US inland and coastal waterways. Here's how it works.

January 22, 2026

How to Look Up a Ship's FCC License and Call Sign

Every FCC-licensed vessel has a public record in the ULS. Here's how to find a ship's license, call sign, MMSI number, and owner information.

January 18, 2026

Maritime Radio Licensing: A Complete Guide for Vessel Operators

Maritime radio licensing covers everything from recreational VHF to commercial GMDSS equipment. This guide covers who needs what license for marine radio.

January 14, 2026

What Happens If You Use GMRS Without a License?

Operating on GMRS frequencies without a license is an FCC violation. Here's what the rules say and what enforcement looks like in practice.