Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB0BI callsign genealogy
Currently held by BLACK, ROBERT F
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 AB0BI's current licensee, walking backwards.
- BLACK, ROBERT FMOgranted 2016-05-03cancelled 2016-05-24
Successor callsigns
Callsigns held now by people who previously held AB0BI.
- BLACK, ROBERT FMOgranted 2016-05-03cancelled 2016-05-24