Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB4FM callsign genealogy
Currently held by Hinds, John H
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 AB4FM's current licensee, walking backwards.
- Hinds, John HNCgranted 2019-04-22cancelled 2019-07-06
Successor callsigns
Callsigns held now by people who previously held AB4FM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB4FM, oldest first.
- FARWELL, JOSEPH J AL1987-12-29 → cancelled 1999-12-30
- Hinds, John H NC2019-07-06 active