Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0YBS callsign genealogy
Currently held by OPDYCKE, DON R
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 K0YBS's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held K0YBS.
- OPDYCKE, DON RFLgranted 2024-06-18