Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB7AZ callsign genealogy
Currently held by O Brien, Patrick 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 AB7AZ's current licensee, walking backwards.
- O Brien, Patrick RAZgranted 2001-12-10cancelled 2002-05-14
Successor callsigns
Callsigns held now by people who previously held AB7AZ.
- WEBBER, DALE WWAgranted 2016-10-07