Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4WMD callsign genealogy
Currently held by MARTIN, DAVID 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 WA4WMD's current licensee, walking backwards.
- MARTIN, DAVID PNCgranted 2014-02-11cancelled 2017-09-29
Successor callsigns
Callsigns held now by people who previously held WA4WMD.
No current licensee on record previously held this callsign.