← dxtra.com

📡 Amateur Radio Callsign Lookup

832,000+ FCC-licensed amateur radio operators · Free, no account required

KC1SF — Special Forces Brothers Amateur Radio Club

CallsignKC1SF
NameSpecial Forces Brothers Amateur Radio Club
LocationMiddleton, Massachusetts
Licence classExtra
Grid squareFN42kp
CQ zone5
Granted04/01/2025
Expires04/28/2035

From the FCC Universal Licensing System. Search another callsign above.

About This Database

This database contains all active FCC-licensed amateur radio operators in the United States, sourced directly from the FCC Universal Licensing System (ULS). Data includes callsign, operator name, license class (Technician, General, Advanced, Extra), location, and license expiration date. Updated weekly. No registration or account required — just type a callsign and search.

Find nearby repeaters → · FM Coverage Maps · FM Tropo DX Monitor

☞ Support this free site — shop on Amazon