Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4CMG callsign genealogy
Currently held by QUARLES JR, HARRY 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 K4CMG's current licensee, walking backwards.
- COLLINS, CLEVELAND RKYgranted 2015-09-25cancelled 2016-05-03
Successor callsigns
Callsigns held now by people who previously held K4CMG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4CMG, oldest first.
- QUARLES JR, HARRY R VA1996-04-04 → cancelled 2008-04-05
- COLLINS, CLEVELAND R KY2016-05-03 active