Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ7RP callsign genealogy
Currently held by Piepenburg, Randall A
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 KJ7RP's current licensee, walking backwards.
- Piepenburg, Randall AIDgranted 2020-06-23cancelled 2024-06-04
Successor callsigns
Callsigns held now by people who previously held KJ7RP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KJ7RP, oldest first.
- GROSETA, JAMES M AZ1995-09-27 → cancelled 2007-08-14
- Piepenburg, Randall A ID2024-06-04 active