Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4FCC callsign genealogy
Currently held by SEIDEL, JOSEPH S
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 KB4FCC's current licensee, walking backwards.
- SEIDEL, JOSEPH SFLgranted 1997-06-03cancelled 2006-04-18
Successor callsigns
Callsigns held now by people who previously held KB4FCC.
No current licensee on record previously held this callsign.