K1SDG
Active1x3District 1
Competitive callsign — 6 applications filed with the FCC.
License HolderMauldin, Phillip M
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationClyde, TX
Grant DateMay 5, 2026
Expiration DateMay 5, 2036
K1SDG is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Mauldin, Phillip M in Clyde, TX. 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 Golz, Scott on Apr 15, 2026. K1SDG has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .---- ... -.. --.
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo One Sierra Delta Golf
Readability: 8/10(High readability)
License History
- License IssuedMay 5, 2026
- Vanity Callsign GrantedMay 5, 2026
- License ExpiredJun 27, 2024
- License ModifiedMay 22, 2015
- License IssuedJun 26, 2012
- Vanity Callsign GrantedJun 26, 2012
Vanity Application Activity
Competing applications filed with the FCC for this callsign.