W4TFO
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderKloss, Jason
License ClassGeneral
Min. Class RequiredGeneral
LocationLand O Lakes, FL
Grant DateMar 21, 2026
Expiration DateMar 21, 2036
W4TFO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Kloss, Jason in Land O Lakes, FL. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Kloss, Jason on Mar 3, 2026. W4TFO has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- - ..-. ---
CW Weight: 32 units(Moderate)
Voice Phonetics
Whiskey Four Tango Foxtrot Oscar
Readability: 8/10(High readability)
License History
- Vanity Callsign GrantedMar 21, 2026
- License IssuedMar 21, 2026
- License CanceledJan 7, 2020
- Administrative Update AppliedDec 21, 2019
- Administrative Update AppliedMar 22, 2017
- License IssuedApr 30, 2013
- Vanity Callsign GrantedApr 30, 2013
Vanity Application Activity
Competing applications filed with the FCC for this callsign.