Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WY1E callsign genealogy
Currently held by Kooiman, Michael
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 WY1E's current licensee, walking backwards.
- Kooiman, MichaelFLgranted 2023-09-23cancelled 2023-12-15
Successor callsigns
Callsigns held now by people who previously held WY1E.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WY1E, oldest first.
- RUDERT JR, JOHN R RI2011-09-20 → cancelled 2023-10-31
- Kooiman, Michael FL2023-12-15 active