KM4THS
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderSpears, Zachary D
License ClassTechnician
Min. Class RequiredTechnician
LocationMemphis, TN
Grant DateFeb 21, 2026
Expiration DateApr 18, 2036
KM4THS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Spears, Zachary D in Memphis, TN. 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 Reser, Benjamin on Aug 8, 2016. KM4THS has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -- ....- - .... ...
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Kilo Mike Four Tango Hotel Sierra
Readability: 7.5/10(High readability)
License History
- License RenewedFeb 21, 2026
- Administrative Update AppliedJan 9, 2018
- System-Generated GrantApr 18, 2016
- License IssuedApr 18, 2016
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Reser, BenjaminFiled Aug 8, 2016Not awardedFCC ↗