K4THM
Expired1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderMC INVALE, GLENN D
License ClassAdvanced
Min. Class RequiredGeneral
LocationPrattville, AL
Grant DateJun 11, 2014
Expiration DateSep 4, 2024
Available for ApplicationsSep 5, 2026
K4THM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MC INVALE, GLENN D in Prattville, AL. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Moradian, Tony H on Dec 19, 2025. K4THM has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- - .... --
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Kilo Four Tango Hotel Mike
Readability: 8.5/10(High readability)
Available Sep 5, 2026 (2 days remaining)
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedJun 11, 2014
- Administrative Update AppliedFeb 28, 2013
- Administrative Update AppliedFeb 26, 2013
- FRN Association Letter SentSep 6, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Moradian, Tony HFiled Dec 19, 2025Not awardedFCC ↗