Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC8OW callsign genealogy
Currently held by Montgomery, John H
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 AC8OW's current licensee, walking backwards.
- BLAIR, TROY JOHgranted 2016-04-04cancelled 2024-05-04
Successor callsigns
Callsigns held now by people who previously held AC8OW.
- Montgomery, John HOHgranted 2023-12-05
All historical holders
Every license row we've seen with the callsign AC8OW, oldest first.
- Montgomery, John H OH2013-08-28 → cancelled 2013-12-06
- BLAIR, TROY J OH2024-05-04 active