KC4SDR
Available2x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderWard, Thomas R
License ClassGeneral
Min. Class RequiredTechnician
LocationCraig, CO
Grant DateApr 30, 2010
Expiration DateJul 24, 2020
Cancellation DateJul 26, 2022
Available for ApplicationsJul 25, 2022
KC4SDR is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Ward, Thomas R in Craig, CO. 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 SARGENT, LYNDALL C on Mar 31, 2026. KC4SDR has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.-. ....- ... -.. .-.
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo Charlie Four Sierra Delta Romeo
Readability: 6.5/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredJul 26, 2022
- License ModifiedApr 30, 2010
- License RenewedApr 30, 2010
- License RenewedNov 22, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.