Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK6RJ callsign genealogy
Currently held by FELLMAN, LEONARD 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 KK6RJ's current licensee, walking backwards.
- Adair, Robin JCAgranted 2015-06-18cancelled 2019-11-08
Successor callsigns
Callsigns held now by people who previously held KK6RJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK6RJ, oldest first.
- FELLMAN, LEONARD C CA2000-09-01 → cancelled 2012-10-10
- Adair, Robin J CA2019-11-08 active