Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC8EO callsign genealogy
Currently held by STEWART, MARK 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 AC8EO's current licensee, walking backwards.
- STEWART, MARK AOHgranted 2006-09-28cancelled 2009-08-06
Successor callsigns
Callsigns held now by people who previously held AC8EO.
- STEWART, MARK AOHgranted 2019-12-10