Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WO7B callsign genealogy
Currently held by Nieser, Dustin G
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 WO7B's current licensee, walking backwards.
- Nieser, Dustin GAZgranted 2023-09-19cancelled 2024-10-01
Successor callsigns
Callsigns held now by people who previously held WO7B.
- Nieser, Dustin GAZgranted 2023-09-19cancelled 2024-10-01
All historical holders
Every license row we've seen with the callsign WO7B, oldest first.
- BURBACK, ROBERT A WA2008-02-07 → cancelled 2020-04-09
- Nieser, Dustin G AZ2020-04-28 → cancelled 2023-09-19
- Nieser, Dustin G AZ2024-10-01 active