Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7JJP callsign genealogy
Currently held by PERNSTEINER, JAMES J
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 K7JJP's current licensee, walking backwards.
- PERNSTEINER, JAMES JWAgranted 2004-07-15cancelled 2007-02-24
Successor callsigns
Callsigns held now by people who previously held K7JJP.
No current licensee on record previously held this callsign.