Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC8JDX callsign genealogy
Currently held by Sieloff, Ronald F
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 KC8JDX's current licensee, walking backwards.
- SIELOFF, RONALD Fcancelled 1998-01-20
Successor callsigns
Callsigns held now by people who previously held KC8JDX.
- Sieloff, Ronald FOHgranted 2017-02-24cancelled 2017-05-26