Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0GKU callsign genealogy
Currently held by ERICKSEN, ROBERT 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 K0GKU's current licensee, walking backwards.
- FRIZZELL, MICHAEL LKSgranted 2015-11-18cancelled 2016-01-05
Successor callsigns
Callsigns held now by people who previously held K0GKU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0GKU, oldest first.
- ERICKSEN, ROBERT H WI1999-11-19 → cancelled 2011-11-22
- FRIZZELL, MIKE KS2026-01-21 active