Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7WTZ callsign genealogy
Currently held by Negley, Mark 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 W7WTZ's current licensee, walking backwards.
- Negley, Mark AWAgranted 2016-05-16cancelled 2016-06-18
Successor callsigns
Callsigns held now by people who previously held W7WTZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7WTZ, oldest first.
- EARL, WALLACE R AZ1993-10-26 → cancelled 2005-10-27
- Negley, Mark A WA2016-06-18 active