Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB0O callsign genealogy
Currently held by FORD, JOHN S
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 AB0O's current licensee, walking backwards.
- FORD, JOHN SMOgranted 2003-09-23cancelled 2003-10-15
Successor callsigns
Callsigns held now by people who previously held AB0O.
No current licensee on record previously held this callsign.