Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB0OP callsign genealogy
Currently held by MORTON, MATTHEW 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 AB0OP's current licensee, walking backwards.
- MORTON, MATTHEW AKSgranted 2000-05-31cancelled 2000-08-23
Successor callsigns
Callsigns held now by people who previously held AB0OP.
- MORTON, MATTHEW AMAgranted 2020-09-04