KC4SF
Expired2x2District 4
Competitive callsign — 1 application filed with the FCC.
License HolderCleary, James A
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationCresskill, NJ
Grant DateSep 1, 2015
Expiration DateOct 27, 2025
Available for ApplicationsOct 28, 2027
KC4SF is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Cleary, James A in Cresskill, NJ. 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 FISHER, SENECA B on Apr 8, 2026. KC4SF has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.-. ....- ... ..-.
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Charlie Four Sierra Foxtrot
Readability: 7.5/10(High readability)
Available Oct 28, 2027 (496 days remaining)
Requires General license or higher to apply for this callsign format (2x2).
License History
- License RenewedSep 1, 2015
- Administrative Update AppliedOct 31, 2009
- License RenewedAug 30, 2005
- FRN Association Letter SentAug 24, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- FISHER, SENECA BFiled Apr 8, 2026Not awardedFCC ↗