Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DBE callsign genealogy
Currently held by Rybicki Sr, Dennis J
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 K4DBE's current licensee, walking backwards.
- RYBICKI, DENNIS JSCgranted 2018-09-24cancelled 2018-12-14
Successor callsigns
Callsigns held now by people who previously held K4DBE.
No current licensee on record previously held this callsign.