K4TRL
Active1x3District 4
Competitive callsign — 7 applications filed with the FCC.
License HolderArnold, Gregory L
License ClassTechnician
Min. Class RequiredGeneral
LocationMiami, FL
Grant DateJul 6, 2019
Expiration DateJul 6, 2029
K4TRL is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Arnold, Gregory L in Miami, FL. This callsign has attracted significant interest in the amateur radio community, with 7 vanity applications filed with the FCC. The most recent was submitted by LaBonte, Jay L on Dec 30, 2025. K4TRL has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- - .-. .-..
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Kilo Four Tango Romeo Lima
Readability: 7.5/10(High readability)
License History
- License IssuedJul 6, 2019
- Vanity Callsign GrantedJul 6, 2019
Vanity Application Activity
Competing applications filed with the FCC for this callsign.