Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5IZU callsign genealogy
Currently held by Denton, David D
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 K5IZU's current licensee, walking backwards.
- Denton, David DTXgranted 2010-02-25cancelled 2010-03-23
Successor callsigns
Callsigns held now by people who previously held K5IZU.
No current licensee on record previously held this callsign.