Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD4GLM callsign genealogy
Currently held by MASON, GEORGE 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 WD4GLM's current licensee, walking backwards.
- MASON, GEORGE LFLgranted 2003-04-29cancelled 2003-06-20
Successor callsigns
Callsigns held now by people who previously held WD4GLM.
No current licensee on record previously held this callsign.