KO4SG
Available2x2District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderHACKWORTH, FORREST
License ClassAdvanced
Min. Class RequiredGeneral
LocationRACELAND, KY
Grant DateNov 21, 2001
Expiration DateFeb 18, 2012
Cancellation DateFeb 19, 2014
Available for ApplicationsFeb 19, 2014
KO4SG is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by HACKWORTH, FORREST in RACELAND, KY. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Grandfield, Thomas S on Dec 29, 2025. KO4SG has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --- ....- ... --.
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Oscar 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 ExpiredFeb 19, 2014
- Tax ID (TIN) AddedNov 21, 2001
- Tax ID (TIN) AddedNov 21, 2001
- License RenewedNov 21, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.