Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC8JBS callsign genealogy
Currently held by NEFF, WILLIAM M
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 KC8JBS's current licensee, walking backwards.
- Singleton, James BOHgranted 2013-01-11cancelled 2022-04-19
Successor callsigns
Callsigns held now by people who previously held KC8JBS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC8JBS, oldest first.
- NEFF, WILLIAM M OH2008-04-10 → cancelled 2020-04-11
- Singleton, James B OH2022-04-19 active