Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WK0Y callsign genealogy
Currently held by Young, Aubrey 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 WK0Y's current licensee, walking backwards.
- Young, Aubrey JMOgranted 2002-02-26cancelled 2010-04-13
Successor callsigns
Callsigns held now by people who previously held WK0Y.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WK0Y, oldest first.
- OSBURN, DONALD W IL1998-03-18 → cancelled 2010-03-19
- Young, Aubrey J MO2020-02-25 active