Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5ZNB callsign genealogy
Currently held by Wallace, David B
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 KC5ZNB's current licensee, walking backwards.
- Wallace, David BOKgranted 2019-07-29cancelled 2019-08-24
Successor callsigns
Callsigns held now by people who previously held KC5ZNB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC5ZNB, oldest first.
- WALLACE, EDMUND D OK2007-01-16 → cancelled 2019-03-21
- Wallace, David B OK2019-08-24 active