KV4SG
Available2x2District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderThames, Curtis F
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationSan Rafael, CA
Grant DateAug 22, 2000
Expiration DateAug 22, 2010
Cancellation DateMay 25, 2001
Available for ApplicationsMay 26, 2003
KV4SG is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Thames, Curtis F in San Rafael, CA. 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 Grandfield, Thomas S on Dec 29, 2025. KV4SG has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ...- ....- ... --.
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Kilo Victor Four Sierra Golf
Readability: 8/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License CanceledMay 25, 2001
- License IssuedAug 22, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.