Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0DYW callsign genealogy
Currently held by YOUNG, WILLIAM 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 K0DYW's current licensee, walking backwards.
- YOUNG, WILLIAM JTXgranted 2021-12-08cancelled 2022-01-14
Successor callsigns
Callsigns held now by people who previously held K0DYW.
No current licensee on record previously held this callsign.