K4WFL
Available1x3District 4
Competitive callsign — 6 applications filed with the FCC.
License HolderMARTIN, STERLING R
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationHONDO, TX
Grant DateAug 26, 2011
Expiration DateAug 26, 2021
Cancellation DateAug 29, 2023
Available for ApplicationsAug 27, 2023
K4WFL is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MARTIN, STERLING R in HONDO, TX. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by Hartwig, John M on Apr 1, 2026. K4WFL has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .-- ..-. .-..
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Four Whiskey Foxtrot Lima
Readability: 8/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredAug 29, 2023
- License ModifiedNov 1, 2011
- License IssuedAug 26, 2011
- Vanity Callsign GrantedAug 26, 2011
Vanity Application Activity
Competing applications filed with the FCC for this callsign.