Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC0ZBS callsign genealogy
Currently held by CHRISTENSON, DEREK A
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 KC0ZBS's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC0ZBS.
- CHRISTENSON, DEREK AIAgranted 2006-12-07cancelled 2009-12-29