KR4IDX
Cancelled2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderWarren, Thomas E
License ClassGeneral
Min. Class RequiredTechnician
LocationGainesville, FL
Grant DateDec 11, 2025
Cancellation DateDec 30, 2025
Available for ApplicationsDec 31, 2027
KR4IDX is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Warren, Thomas E in Gainesville, 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 Baird, Robert W on Dec 9, 2025. KR4IDX has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-. ....- .. -.. -..-
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Romeo Four India Delta X-ray
Readability: 6.5/10(Good readability)
Available Dec 31, 2027 (482 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledDec 30, 2025
- System-Generated GrantDec 11, 2025
- License IssuedDec 11, 2025
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Baird, Robert WFiled Dec 9, 2025Not awardedFCC ↗