Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7DPM callsign genealogy
Currently held by Malsam, Derek P
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 W7DPM's current licensee, walking backwards.
- Malsam, Derek PWYgranted 2026-05-19cancelled 2026-06-13
Successor callsigns
Callsigns held now by people who previously held W7DPM.
No current licensee on record previously held this callsign.