K4BLX
Active1x3District 4
Competitive callsign — 6 applications filed with the FCC.
License HolderMayfield, Keith
License ClassTechnician
Min. Class RequiredGeneral
LocationMarietta, GA
Grant DateJun 13, 2026
Expiration DateJun 13, 2036
K4BLX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Mayfield, Keith in Marietta, GA. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by Mayfield, Keith on May 26, 2026. K4BLX has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -... .-.. -..-
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Four Bravo Lima X-ray
Readability: 8/10(High readability)
License History
- License IssuedJun 13, 2026
- Vanity Callsign GrantedJun 13, 2026
- License ExpiredNov 10, 2016
- Tax ID (TIN) AddedAug 31, 2004
- License RenewedAug 31, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.