KR4RC
Available2x2District 4
Competitive callsign — 6 applications filed with the FCC.
License HolderTHOMAS, MARK P
License ClassAdvanced
Min. Class RequiredGeneral
LocationMAYPORT, FL
Grant DateApr 19, 1994
Expiration DateApr 19, 2004
Cancellation DateApr 20, 2006
Available for ApplicationsApr 20, 2006
KR4RC is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by THOMAS, MARK P in MAYPORT, FL. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by Childers, Roy G on May 28, 2026. KR4RC has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-.- .-. ....- .-. -.-.
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Romeo Four Romeo Charlie
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredApr 20, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.