Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA9CGO callsign genealogy
Currently held by Wiemer, Frederick A
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 WA9CGO's current licensee, walking backwards.
- Wiemer, Frederick AWIgranted 2006-05-09cancelled 2006-06-02
Successor callsigns
Callsigns held now by people who previously held WA9CGO.
No current licensee on record previously held this callsign.