Confidence: Medium · Source: FCC ULS · As of 2026-09-11
AF0FS callsign genealogy
Currently held by Koebel, James T
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 AF0FS's current licensee, walking backwards.
- Koebel, James TCOgranted 2026-02-26cancelled 2026-03-26
Successor callsigns
Callsigns held now by people who previously held AF0FS.
No current licensee on record previously held this callsign.