Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK7YJ callsign genealogy
Currently held by TREGARTHEN III, JAMES F
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 KK7YJ's current licensee, walking backwards.
- TREGARTHEN III, JAMES FMTgranted 1996-06-10cancelled 2006-03-07
Successor callsigns
Callsigns held now by people who previously held KK7YJ.
No current licensee on record previously held this callsign.