KF4CR
Available2x2District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderTHROCKMORTON, RALPH R
Min. Class RequiredGeneral
LocationIDAHO FALLS, ID
Cancellation DateOct 15, 1997
Available for ApplicationsOct 16, 1999
KF4CR is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by THROCKMORTON, RALPH R in IDAHO FALLS, ID. 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 Roberts III, Charles K on Nov 21, 2025.
CW & Voice Analysis
Morse Code
-.- ..-. ....- -.-. .-.
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Foxtrot Four Charlie Romeo
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
Vanity Application Activity
Competing applications filed with the FCC for this callsign.