Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0LKS callsign genealogy
Currently held by PETERSEN, MICHAEL 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 K0LKS's current licensee, walking backwards.
- SHOESMITH, LINDAIAgranted 2021-03-10cancelled 2021-04-02
Successor callsigns
Callsigns held now by people who previously held K0LKS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0LKS, oldest first.
- PETERSEN, MICHAEL J MO2002-08-02 → cancelled 2014-08-05
- SHOESMITH, LINDA IA2021-04-02 active