Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0LSH callsign genealogy
Currently held by JOSINGER, PAUL 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 K0LSH's current licensee, walking backwards.
- Hileman, LyleCOgranted 2021-10-12cancelled 2021-11-06
Successor callsigns
Callsigns held now by people who previously held K0LSH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0LSH, oldest first.
- JOSINGER, PAUL J IA2006-11-14 → cancelled 2019-02-12
- Hileman, Lyle CO2021-11-06 active