Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4TMA callsign genealogy
Currently held by MYER SR, MICHAEL W
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 KD4TMA's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD4TMA.
- MYER SR, MICHAEL WTNgranted 2019-09-13