Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7ZBA callsign genealogy
Currently held by CHRISTENSEN, KIM R
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 KC7ZBA's current licensee, walking backwards.
- CHRISTENSEN, KIM RUTgranted 2010-04-21cancelled 2016-11-29
Successor callsigns
Callsigns held now by people who previously held KC7ZBA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC7ZBA, oldest first.
- CHRISTENSEN, KIM R UT1997-08-22 → cancelled 2009-08-25
- CHRISTENSEN, KIM R UT2016-11-29 active