KF4TRM
Available2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderO'KAIN, DARRELL A
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationOcala, FL
Grant DateMar 12, 2008
Expiration DateAug 16, 2017
Cancellation DateApr 12, 2011
Available for ApplicationsApr 13, 2013
KF4TRM is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by O'KAIN, DARRELL A in Ocala, FL. 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 Slabaugh, Dennis B on Jun 8, 2026. KF4TRM has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..-. ....- - .-. --
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Foxtrot Four Tango Romeo Mike
Readability: 7.5/10(High readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledApr 12, 2011
- License ModifiedMar 11, 2011
- License RenewedMar 12, 2008
- Tax ID (TIN) AddedMay 10, 2004
- License ModifiedMay 10, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Slabaugh, Dennis BFiled Jun 8, 2026Not awardedFCC ↗