Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ7UNP callsign genealogy
Currently held by Klein, Phillip M
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 KJ7UNP'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 KJ7UNP.
- Klein, Phillip MNVgranted 2026-08-18