Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1DMA callsign genealogy
Currently held by Widmark, Stephen A
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 W1DMA's current licensee, walking backwards.
- Widmark, Stephen ACAgranted 2015-10-13cancelled 2015-11-03
Successor callsigns
Callsigns held now by people who previously held W1DMA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1DMA, oldest first.
- GODDARD JR, FRED A MA1997-05-20 → cancelled 2009-05-21
- Widmark, Stephen A CA2026-01-09 active