KI4CAC
Available2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderWARREN, ROBERT H
License ClassTechnician
Min. Class RequiredTechnician
LocationSAINT PETERSBURG, FL
Grant DateAug 20, 2003
Expiration DateAug 20, 2013
Cancellation DateAug 21, 2015
Available for ApplicationsAug 21, 2015
KI4CAC is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by WARREN, ROBERT H in SAINT PETERSBURG, FL. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Krenn, Cedric A on Jul 31, 2026. KI4CAC has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .. ....- -.-. .- -.-.
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo India Four Charlie Alpha Charlie
Readability: 7/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredAug 21, 2015
- License IssuedAug 20, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Krenn, Cedric AFiled Jul 31, 2026Not awardedFCC ↗