Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1PDM callsign genealogy
Currently held by SNIDER, DONALD L
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 W1PDM's current licensee, walking backwards.
- Martell, Patrick DVTgranted 2019-12-23cancelled 2020-08-25
Successor callsigns
Callsigns held now by people who previously held W1PDM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1PDM, oldest first.
- SNIDER, DONALD L KS1998-05-14 → cancelled 2010-05-15
- Martell, Patrick D VT2020-08-25 active