Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ7J callsign genealogy
Currently held by WILSON, JOHN W
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 KZ7J's current licensee, walking backwards.
- Cooper Sr, Micah PIDgranted 2022-08-20cancelled 2022-11-15
Successor callsigns
Callsigns held now by people who previously held KZ7J.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KZ7J, oldest first.
- WILSON, JOHN W WA2010-09-23 → cancelled 2022-10-25
- Cooper Sr, Micah P ID2022-11-15 active