Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0KTY callsign genealogy
Currently held by Kohlmeyer, Ryan W
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 K0KTY's current licensee, walking backwards.
- Kohlmeyer, Ryan WMNgranted 2012-05-10cancelled 2014-10-15
Successor callsigns
Callsigns held now by people who previously held K0KTY.
- KOHLMEYER, SALLY SMNgranted 2022-10-05
All historical holders
Every license row we've seen with the callsign K0KTY, oldest first.
- REED, JOHN W MN1999-06-02 → cancelled 2006-02-15
- KOHLMEYER, SALLY S MN2006-06-30 → cancelled 2012-09-22
- Kohlmeyer, Ryan W MN2025-02-08 active