K4UNF
Available1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderWINN, FRANK N
License ClassAdvanced
Min. Class RequiredGeneral
LocationFAIRFAX, VA
Grant DateDec 21, 2007
Expiration DateMar 10, 2018
Cancellation DateMar 11, 2020
Available for ApplicationsMar 11, 2020
K4UNF is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by WINN, FRANK N in FAIRFAX, VA. 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 Harper, Charlotte G on Nov 24, 2025. K4UNF has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ..- -. ..-.
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Kilo Four Uniform November Foxtrot
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredMar 11, 2020
- License RenewedDec 21, 2007
- Tax ID (TIN) AddedDec 19, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.