Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6SRT callsign genealogy
Currently held by GREEAR, MICHAEL G
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 W6SRT's current licensee, walking backwards.
- GREEAR, MICHAEL GCAgranted 1997-10-08cancelled 2007-05-04
Successor callsigns
Callsigns held now by people who previously held W6SRT.
- GREEAR, MICHAEL GAZgranted 2020-01-14
All historical holders
Every license row we've seen with the callsign W6SRT, oldest first.
- BINKLEY, FRANK C CA1997-06-20 → cancelled 2006-02-23
- GREEAR, MICHAEL G AZ2017-03-14 → cancelled 2020-01-14