Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO0W callsign genealogy
Currently held by Bertsch, Steven J
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 KO0W's current licensee, walking backwards.
- Bertsch, Steven JMNgranted 2006-02-24cancelled 2006-03-24
Successor callsigns
Callsigns held now by people who previously held KO0W.
- BAKER, KENNETH JKSgranted 2016-12-02