Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7OUW callsign genealogy
Currently held by DREYER, MICHAEL L
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 W7OUW's current licensee, walking backwards.
- DREYER, MICHAEL LORgranted 2018-05-01
Successor callsigns
Callsigns held now by people who previously held W7OUW.
- DREYER, MICHAEL LORgranted 2018-05-01
All historical holders
Every license row we've seen with the callsign W7OUW, oldest first.
- DREYER, BERNARD R OR2005-07-02 → cancelled 2017-08-24
- DREYER, MICHAEL L OR2018-01-09 → cancelled 2018-05-01