Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1TMK callsign genealogy
Currently held by Hadder Mr, Michael G
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K1TMK's current licensee, walking backwards.
- Hadder, Michael GALgranted 2007-03-13cancelled 2007-04-03
Successor callsigns
Callsigns held now by people who previously held K1TMK.
No current licensee on record previously held this callsign.