Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WZ7M callsign genealogy
Currently held by WINTER SR, JOSEPH N
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 WZ7M's current licensee, walking backwards.
- Kittredge, AaronAZgranted 2020-11-19cancelled 2021-02-23
Successor callsigns
Callsigns held now by people who previously held WZ7M.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WZ7M, oldest first.
- WINTER SR, JOSEPH N WA2008-11-05 → cancelled 2019-05-16
- Kittredge, Aaron AZ2021-02-23 active