K4IBO
Available1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderMC CALLISTER, ARCHIE K
License ClassAdvanced
Min. Class RequiredGeneral
LocationBOCA RATON, FL
Grant DateSep 15, 1987
Expiration DateSep 15, 1997
Cancellation DateSep 16, 1999
Available for ApplicationsSep 16, 1999
K4IBO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MC CALLISTER, ARCHIE K in BOCA RATON, FL. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Hodges, Marvin L on Feb 4, 2026. K4IBO has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-.- ....- .. -... ---
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Four India Bravo Oscar
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredSep 16, 1999
Vanity Application Activity
Competing applications filed with the FCC for this callsign.