KD4SGG
Available2x3District 4
Competitive callsign — 20 applications filed with the FCC.
License HolderCOSTABILE, MICHAEL J
License ClassTechnician
Min. Class RequiredTechnician
LocationHILLSBOROUGH, NC
Grant DateMay 22, 2012
Expiration DateAug 18, 2022
Cancellation DateAug 2, 2022
Available for ApplicationsAug 3, 2024
KD4SGG is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by COSTABILE, MICHAEL J in HILLSBOROUGH, NC. This callsign has attracted significant interest in the amateur radio community, with 20 vanity applications filed with the FCC. The most recent was submitted by COBB, EMERY M on Dec 1, 2025. KD4SGG has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.. ....- ... --. --.
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo Delta Four Sierra Golf Golf
Readability: 8/10(High readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- Administrative Update AppliedAug 2, 2022
- License CanceledAug 2, 2022
- Administrative Update AppliedOct 6, 2021
- License RenewedMay 22, 2012
- License RenewedJun 18, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.