K4KRT
Active1x3District 4
Competitive callsign — 7 applications filed with the FCC.
License HolderTHORSEN, KEITH R
License ClassGeneral
Min. Class RequiredGeneral
LocationGteenacres, FL
Grant DateNov 4, 2022
Expiration DateJan 28, 2033
K4KRT is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by THORSEN, KEITH R in Gteenacres, 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 THORSEN, KEITH R on Jan 8, 2003. K4KRT has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -.- .-. -
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Kilo Four Kilo Romeo Tango
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedApr 30, 2026
- License RenewedNov 4, 2022
- Administrative Update AppliedSep 1, 2020
- Administrative Update AppliedAug 26, 2020
- Administrative Update AppliedDec 11, 2018
- License RenewedJan 4, 2013
- Administrative Update AppliedMay 25, 2007
- License IssuedJan 28, 2003
- Vanity Callsign GrantedJan 28, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.