Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0MGR callsign genealogy
Currently held by RINAS, MARK 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 W0MGR's current licensee, walking backwards.
- RINAS, MARK GMNgranted 2023-10-06cancelled 2025-04-15
Successor callsigns
Callsigns held now by people who previously held W0MGR.
- Robertson, Matthew GIDgranted 2020-02-22cancelled 2021-09-04
All historical holders
Every license row we've seen with the callsign W0MGR, oldest first.
- Robertson, Matthew G TX2019-07-23 → cancelled 2020-02-22
- RINAS, MARK G MN2025-04-15 active
- CHARLSON, JAMES T— → cancelled 1999-03-17