Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB7IZ callsign genealogy
Currently held by KAMSTRA, REX A
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 AB7IZ's current licensee, walking backwards.
- KC7DRLno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AB7IZ.
- KAMSTRA, REX AORgranted 2022-02-08