Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7JAJ callsign genealogy
Currently held by COX, JAMES A
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 K7JAJ's current licensee, walking backwards.
- Johnston, Jim AWAgranted 2018-01-12cancelled 2025-05-23
Successor callsigns
Callsigns held now by people who previously held K7JAJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7JAJ, oldest first.
- COX, JAMES A CA2010-07-06 → cancelled 2022-08-30
- JOHNSTON, Jim A WA2025-05-23 active