Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0JKB callsign genealogy
Currently held by Bredehoft, John K
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 K0JKB's current licensee, walking backwards.
- Bredehoft, John KCOgranted 2005-12-22cancelled 2006-09-01
Successor callsigns
Callsigns held now by people who previously held K0JKB.
- Bredehoft, John KCOgranted 2016-11-14