Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM5Q callsign genealogy
Currently held by THOMPSON, WILLIAM M
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 KM5Q's current licensee, walking backwards.
- DANKOFF, MARK "WINDY"NMgranted 2005-06-30cancelled 2007-12-11
Successor callsigns
Callsigns held now by people who previously held KM5Q.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KM5Q, oldest first.
- THOMPSON, WILLIAM M TX1995-08-03 → cancelled 2007-08-04
- DANKOFF, MARK "WINDY" NM2017-10-12 active