Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA6ZA callsign genealogy
Currently held by DOWLER, ANTHONY M
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 AA6ZA's current licensee, walking backwards.
- DOWLER, ANTHONY MCAgranted 2011-04-11cancelled 2011-10-21
- N6GBMno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AA6ZA.
- DOWLER, ANTHONY MCAgranted 2021-09-27
All historical holders
Every license row we've seen with the callsign AA6ZA, oldest first.
- LOUGHRIDGE, JAMES M CA1990-11-06 → cancelled 2002-11-07
- DOWLER, ANTHONY M CA2011-10-21 → cancelled 2011-12-23