Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KH6QM callsign genealogy
Currently held by COLQUHOUN, CHRISTOPHER S
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 KH6QM's current licensee, walking backwards.
- COLQUHOUN, CHRISTOPHER SHIgranted 2013-03-04cancelled 2021-12-28
Successor callsigns
Callsigns held now by people who previously held KH6QM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KH6QM, oldest first.
- Barnes, Harry S HI2000-06-03 → cancelled 2012-08-08
- COLQUHOUN, CHRISTOPHER S HI2021-12-28 active