Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9OG callsign genealogy
Currently held by Palmer, Mark W
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 AC9OG's current licensee, walking backwards.
- Palmer, Mark WWIgranted 2010-04-20cancelled 2016-04-25
Successor callsigns
Callsigns held now by people who previously held AC9OG.
No current licensee on record previously held this callsign.