Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9OZ callsign genealogy
Currently held by Higgins, John 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 AB9OZ's current licensee, walking backwards.
- Higgins, John RINgranted 2006-09-20cancelled 2007-07-23
Successor callsigns
Callsigns held now by people who previously held AB9OZ.
- HIGGINS, JOHN RPAgranted 2020-08-31