Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4GWM callsign genealogy
Currently held by LYLE, WILLARD E
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 K4GWM's current licensee, walking backwards.
- MERCER, GARY WGAgranted 2019-09-25cancelled 2020-09-01
Successor callsigns
Callsigns held now by people who previously held K4GWM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4GWM, oldest first.
- LYLE, WILLARD E VA2007-10-19 → cancelled 2020-01-15
- MERCER, GARY W GA2020-09-01 active