Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7IUO callsign genealogy
Currently held by Kleven, David 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 K7IUO's current licensee, walking backwards.
- Kleven, David RNVgranted 2016-12-01cancelled 2017-04-14
Successor callsigns
Callsigns held now by people who previously held K7IUO.
No current licensee on record previously held this callsign.