Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7RPC callsign genealogy
Currently held by Cascade Pacific Council Radio Program Center
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 K7RPC's current licensee, walking backwards.
- Czaja, Robert PAZgranted 2015-09-11cancelled 2016-05-03
Successor callsigns
Callsigns held now by people who previously held K7RPC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7RPC, oldest first.
- Cascade Pacific Council Radio Program Center OR2003-12-06 → cancelled 2015-12-08
- Czaja, Robert P AZ2026-03-28 active