AA4SF
Cancelled2x2District 4
Competitive callsign — 1 application filed with the FCC.
License Holder199 Contest Club
Min. Class RequiredGeneral
LocationCharleston, SC
Grant DateFeb 28, 2025
Cancellation DateSep 16, 2025
Available for ApplicationsSep 17, 2027
AA4SF is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by 199 Contest Club in Charleston, SC. 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 199 Contest Club on Feb 10, 2025. AA4SF has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- .- ....- ... ..-.
CW Weight: 24 units(Light (fast to send))
Voice Phonetics
Alpha Alpha Four Sierra Foxtrot
Readability: 7.5/10(High readability)
Available Sep 17, 2027 (435 days remaining)
Requires General license or higher to apply for this callsign format (2x2).
License History
- License CanceledSep 16, 2025
- License IssuedFeb 28, 2025
- Vanity Callsign GrantedFeb 28, 2025
- License ExpiredNov 21, 2020
- License RenewedSep 3, 2008
- Administrative Update AppliedJan 17, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- 199 Contest ClubFiled Feb 10, 2025Not awardedFCC ↗