Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC0IYH callsign genealogy
Currently held by ROBERTS JR, BILL M
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 KC0IYH's current licensee, walking backwards.
- ROBERTS JR, BILL MWYgranted 2022-02-15
Successor callsigns
Callsigns held now by people who previously held KC0IYH.
- ROBERTS JR, BILL MWYgranted 2022-02-15