KF0SO
Available2x2District 0
Competitive callsign — 1 application filed with the FCC.
License HolderCUMMING SR, JOHN I
License ClassNovice
Min. Class RequiredGeneral
LocationSOUTH BERWICK, ME
Cancellation DateOct 29, 1998
Available for ApplicationsOct 30, 2000
KF0SO is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by CUMMING SR, JOHN I in SOUTH BERWICK, ME. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Barrett, Nathaniel C on Jan 15, 2026.
CW & Voice Analysis
Morse Code
-.- ..-. ----- ... ---
CW Weight: 40 units(Moderate)
Voice Phonetics
Kilo Foxtrot Zero Sierra Oscar
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Barrett, Nathaniel CFiled Jan 15, 2026Not awardedFCC ↗