Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB0P callsign genealogy
Currently held by SWINEY, RONALD D
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 AB0P's current licensee, walking backwards.
- SWINEY, RONALD DMOgranted 1994-06-20cancelled 2001-05-11
Successor callsigns
Callsigns held now by people who previously held AB0P.
- MOULDER, JOHN FMNgranted 2026-08-11