Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9OV callsign genealogy
Currently held by Biby, David 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 AC9OV's current licensee, walking backwards.
- Biby, David WILgranted 2015-07-07cancelled 2016-07-13
Successor callsigns
Callsigns held now by people who previously held AC9OV.
No current licensee on record previously held this callsign.