Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KU0S callsign genealogy
Currently held by VEENHUIS, VERNON H
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 KU0S's current licensee, walking backwards.
- ULMER, KRISTOPHER JMOgranted 2017-12-06cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held KU0S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KU0S, oldest first.
- VEENHUIS, VERNON H MN2006-10-24 → cancelled 2019-02-12
- ULMER, KRISTOPHER J MO2019-02-20 active