Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB0I callsign genealogy
Currently held by BOLGER, AL
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 AB0I's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AB0I.
- SPENCER, JOHN JUTgranted 2016-12-09