Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6JMR callsign genealogy
Currently held by Ray, John 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 K6JMR's current licensee, walking backwards.
- Rivas, James VCAgranted 2019-02-04cancelled 2019-03-01
Successor callsigns
Callsigns held now by people who previously held K6JMR.
- Ray, John MCAgranted 2011-09-20cancelled 2023-09-21
All historical holders
Every license row we've seen with the callsign K6JMR, oldest first.
- Ray, John M CA2007-05-01 → cancelled 2011-09-20
- Rivas, James V CA2019-03-01 active