Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK7CKW callsign genealogy
Currently held by Thomas, Jeffery
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 KK7CKW's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KK7CKW.
- Thomas, JefferyORgranted 2020-07-21cancelled 2022-01-28