Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WX0A callsign genealogy
Currently held by YORK SR, ROBERT C
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 WX0A's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WX0A.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WX0A, oldest first.
- YORK SR, ROBERT C IL2009-10-15 → cancelled 2021-10-26
- Knisley, Amelia L MI2021-11-13 active