Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA0OST callsign genealogy
Currently held by Weiler, William I
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 WA0OST's current licensee, walking backwards.
- Weiler, William IFLgranted 2021-02-16cancelled 2021-03-09
Successor callsigns
Callsigns held now by people who previously held WA0OST.
No current licensee on record previously held this callsign.