Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4JSS callsign genealogy
Currently held by Von Werder, Cole
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 KR4JSS's current licensee, walking backwards.
- Von Werder, ColeFLgranted 2026-02-06cancelled 2026-02-12
Successor callsigns
Callsigns held now by people who previously held KR4JSS.
- Von Werder, ColeFLgranted 2026-03-13