Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB7O callsign genealogy
Currently held by Thurston, Wayne L
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 AB7O's current licensee, walking backwards.
- Taylor, Robert KORgranted 2018-03-26cancelled 2019-08-20
Successor callsigns
Callsigns held now by people who previously held AB7O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB7O, oldest first.
- Thurston, Wayne L MT2008-03-11 → cancelled 2017-07-31
- Taylor, Robert K OR2019-08-20 active