Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2QMU callsign genealogy
Currently held by DINGMAN, THOMAS J
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 K2QMU's current licensee, walking backwards.
- Dingman, Thomas JNYgranted 2001-12-31cancelled 2007-04-24
Successor callsigns
Callsigns held now by people who previously held K2QMU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2QMU, oldest first.
- GREEN, JULIUS NY1995-04-03 → cancelled 2007-04-04
- DINGMAN, THOMAS J NY2017-02-03 active