Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0JNW callsign genealogy
Currently held by Thayer, 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 K0JNW's current licensee, walking backwards.
- Thayer, MichaelMOgranted 2006-03-28cancelled 2006-05-02
Successor callsigns
Callsigns held now by people who previously held K0JNW.
- Thayer, MichaelMOgranted 2018-07-31