Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1WM callsign genealogy
Currently held by Gill, Mark R
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 K1WM's current licensee, walking backwards.
- Gill, Mark RVAgranted 2012-02-17cancelled 2012-05-18
Successor callsigns
Callsigns held now by people who previously held K1WM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1WM, oldest first.
- mc Fadden, William G NH2005-07-01 → cancelled 2010-04-29
- Gill, Mark R VA2022-04-26 active