Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0KRK callsign genealogy
Currently held by ALDEN, JOHN M
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 K0KRK's current licensee, walking backwards.
- KRAUTWALD, KEVIN RNCgranted 2017-03-28cancelled 2017-05-16
Successor callsigns
Callsigns held now by people who previously held K0KRK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0KRK, oldest first.
- ALDEN, JOHN M CO1998-06-10 → cancelled 2010-06-11
- KRAUTWALD, KEVIN R NC2017-05-16 active