Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6MQ callsign genealogy
Currently held by GROCE, JOHN C
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 W6MQ's current licensee, walking backwards.
- GLASER, MICHAEL LCAgranted 2016-04-20cancelled 2019-09-10
Successor callsigns
Callsigns held now by people who previously held W6MQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6MQ, oldest first.
- GROCE, JOHN C AZ2007-05-24 → cancelled 2019-08-22
- GLASER, MICHAEL L CA2019-09-10 active