Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD4MQD callsign genealogy
Currently held by MAY, WILLIAM 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 WD4MQD's current licensee, walking backwards.
- N3FUBcancelledcancelled 1997-12-10
Successor callsigns
Callsigns held now by people who previously held WD4MQD.
No current licensee on record previously held this callsign.