Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6MMH callsign genealogy
Currently held by Wheeler 521, Gary 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 W6MMH's current licensee, walking backwards.
- Wheeler, Gary MCAgranted 2017-08-23cancelled 2017-09-12
Successor callsigns
Callsigns held now by people who previously held W6MMH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6MMH, oldest first.
- Wheeler, Frank D CA2002-05-14 → cancelled 2014-08-12
- Wheeler 521, Gary M CA2017-09-12 active