K7GSF
Active1x3District 7
Competitive callsign — 3 applications filed with the FCC.
License HolderMartell, John B
License ClassTechnician
Min. Class RequiredGeneral
LocationLiberty Twp, OH
Grant DateNov 2, 2021
Expiration DateNov 2, 2031
K7GSF is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Martell, John B in Liberty Twp, OH. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Bernosky, Julie on Apr 8, 2025. K7GSF has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --... --. ... ..-.
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Seven Golf Sierra Foxtrot
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedOct 8, 2024
- License RenewedNov 2, 2021
- Administrative Update AppliedJan 22, 2014
- License IssuedJun 18, 2011
- Vanity Callsign GrantedJun 18, 2011
- License ExpiredFeb 6, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.