K4ZTX
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderBURNS, JOHN T
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationParker, CO
Grant DateJul 19, 2025
Expiration DateOct 16, 2035
K4ZTX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by BURNS, JOHN T in Parker, CO. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by BURNS, JOHN T on Sep 29, 2015. K4ZTX has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- --.. - -..-
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Four Zulu Tango X-ray
Readability: 8/10(High readability)
License History
- License RenewedJul 19, 2025
- Administrative Update AppliedJan 28, 2025
- License ModifiedApr 8, 2021
- Authorization PrintedOct 21, 2015
- Reference Copy Duplicate RequestedOct 20, 2015
- License ModifiedOct 19, 2015
- License IssuedOct 16, 2015
- Vanity Callsign GrantedOct 16, 2015
Vanity Application Activity
Competing applications filed with the FCC for this callsign.