Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9WC callsign genealogy
Currently held by BREMER, JACK H
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 K9WC's current licensee, walking backwards.
- BREMER, JACK HWIgranted 1993-06-15cancelled 2000-06-20
- KA9CVEno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K9WC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9WC, oldest first.
- CHURCHILL, WALTER L CA1988-04-12 → cancelled 2000-04-13
- BREMER, JACK H WI2020-04-02 active