K0SIG
Available1x3District 0
Competitive callsign — 2 applications filed with the FCC.
License HolderMILLER, JONATHAN R
License ClassTechnician
Min. Class RequiredGeneral
LocationMesa, AZ
Grant DateAug 25, 2012
Expiration DateAug 25, 2022
Cancellation DateAug 27, 2024
Available for ApplicationsAug 26, 2024
K0SIG is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MILLER, JONATHAN R in Mesa, AZ. 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 Vetter, Alfred T on Apr 30, 2026. K0SIG has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----- ... .. --.
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Zero Sierra India Golf
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredAug 27, 2024
- License RenewedAug 25, 2012
- License IssuedAug 6, 2002
- Vanity Callsign GrantedAug 6, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.