Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0KCK callsign genealogy
Currently held by RALLS, WILLIAM 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 K0KCK's current licensee, walking backwards.
- RALLS, WILLIAM MKSgranted 2021-08-06cancelled 2021-08-31
Successor callsigns
Callsigns held now by people who previously held K0KCK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0KCK, oldest first.
- WEST, RICHARD E NE2006-11-16 → cancelled 2019-02-15
- RALLS, WILLIAM M KS2021-08-31 active