Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ7UVR callsign genealogy
Currently held by CHRISTOFFERSEN, JOHN D
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 KJ7UVR's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KJ7UVR.
- CHRISTOFFERSEN, JOHN DUTgranted 2023-02-14