Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0IYR callsign genealogy
Currently held by Pocquette, Zachary J
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 K0IYR's current licensee, walking backwards.
- Pocquette, Zachary JMNgranted 2025-07-03cancelled 2025-07-22
Successor callsigns
Callsigns held now by people who previously held K0IYR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0IYR, oldest first.
- POCQUETTE, RONALD W MN2007-04-07 → cancelled 2019-06-25
- Pocquette, Zachary J MN2025-07-22 active