Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7ZT callsign genealogy
Currently held by FINGER, RONALD J
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 W7ZT's current licensee, walking backwards.
- Maynard, William SAZgranted 2003-12-02cancelled 2006-03-04
Successor callsigns
Callsigns held now by people who previously held W7ZT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7ZT, oldest first.
- FINGER, RONALD J AZ1998-09-25 → cancelled 2000-11-16
- MAYNARD Mr, WILLIAM S AZ2026-03-07 active