Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK0JJ callsign genealogy
Currently held by JOHNSTON JR, JAMES T
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 KK0JJ's current licensee, walking backwards.
- JOHNSTON JR, JAMES TNEgranted 1993-05-18cancelled 2000-03-11
Successor callsigns
Callsigns held now by people who previously held KK0JJ.
No current licensee on record previously held this callsign.