Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6GRJ callsign genealogy
Currently held by JOHNSON, GARY R
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 K6GRJ's current licensee, walking backwards.
- Johnson, Gary RCAgranted 2008-04-23cancelled 2008-09-03
Successor callsigns
Callsigns held now by people who previously held K6GRJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6GRJ, oldest first.
- BAIN, ROBERT N CA1988-04-26 → cancelled 2000-04-27
- JOHNSON, GARY R CA2018-06-14 active