Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC1OB callsign genealogy
Currently held by VanBemmelen, Jim
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 AC1OB's current licensee, walking backwards.
- Van Bemmelen, JimRIgranted 2021-12-17cancelled 2022-11-15
Successor callsigns
Callsigns held now by people who previously held AC1OB.
No current licensee on record previously held this callsign.