Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0KSW callsign genealogy
Currently held by Ellis, Harold R
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 K0KSW's current licensee, walking backwards.
- Ellis, Harold RIAgranted 2022-07-28cancelled 2022-08-16
Successor callsigns
Callsigns held now by people who previously held K0KSW.
No current licensee on record previously held this callsign.