Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9VG callsign genealogy
Currently held by Knapp, Michael R
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 AB9VG's current licensee, walking backwards.
- Knapp, Michael RINgranted 2009-07-15cancelled 2009-12-29
Successor callsigns
Callsigns held now by people who previously held AB9VG.
No current licensee on record previously held this callsign.