Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA6YZG callsign genealogy
Currently held by OLMSTEAD, ELLWYN 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 WA6YZG's current licensee, walking backwards.
- Olmstead, Clifford ECAgranted 2009-05-11cancelled 2010-12-28
Successor callsigns
Callsigns held now by people who previously held WA6YZG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA6YZG, oldest first.
- OLMSTEAD, ELLWYN M CA2004-10-26 → cancelled 2010-09-30
- OLMSTEAD, CLIFFORD E AZ2020-10-08 active