Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6BMJ callsign genealogy
Currently held by JAMISON, ROBERT 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 K6BMJ's current licensee, walking backwards.
- JAMISON, ROBERT MCAgranted 2012-10-04cancelled 2012-11-10
Successor callsigns
Callsigns held now by people who previously held K6BMJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6BMJ, oldest first.
- Johnston, Berkeley M CA2000-03-07 → cancelled 2012-03-08
- JAMISON, ROBERT M CA2022-11-15 active