Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA5DM callsign genealogy
Currently held by MARTIN, DONALD J
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 WA5DM's current licensee, walking backwards.
- OVERBEY, CHRISTOPHER DTXgranted 2013-12-10cancelled 2016-07-01
Successor callsigns
Callsigns held now by people who previously held WA5DM.
- MARTIN, DONALD JMSgranted 2025-02-04
All historical holders
Every license row we've seen with the callsign WA5DM, oldest first.
- MARTIN, DONALD J MS1997-11-10 → cancelled 2005-04-26
- OVERBEY, CHRISTOPHER D TX2026-08-27 active