Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7BYS callsign genealogy
Currently held by ROBILLARD, WAYNE L
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 KC7BYS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KC7BYS.
No current licensee on record previously held this callsign.