Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6RCM callsign genealogy
Currently held by MONKS, RICHARD 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 K6RCM's current licensee, walking backwards.
- Mather, RyanCAgranted 2021-05-06cancelled 2021-05-25
Successor callsigns
Callsigns held now by people who previously held K6RCM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6RCM, oldest first.
- MONKS, RICHARD C CA2007-12-18 → cancelled 2019-12-19
- Mather, Ryan CA2021-05-25 active