Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0RAK callsign genealogy
Currently held by KLEPPE, RICHARD A
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 K0RAK's current licensee, walking backwards.
- KREIENKAMP, RONALD AMOgranted 2005-11-01cancelled 2006-01-10
Successor callsigns
Callsigns held now by people who previously held K0RAK.
- Kleppe, Richard AMNgranted 2010-05-26cancelled 2018-05-27
All historical holders
Every license row we've seen with the callsign K0RAK, oldest first.
- KLEPPE, RICHARD A MN1997-10-06 → cancelled 2000-08-01
- KREIENKAMP, RONALD A AZ2025-11-27 active