Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4OG callsign genealogy
Currently held by Muller, Patricia A
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 AC4OG's current licensee, walking backwards.
- Muller, Patricia AVAgranted 2014-09-17cancelled 2014-10-10
Successor callsigns
Callsigns held now by people who previously held AC4OG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC4OG, oldest first.
- MULLER, PATRICIA A VA2002-01-18 → cancelled 2014-03-04
- Muller, Patricia A VA2024-10-29 active