Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7LLC callsign genealogy
Currently held by Cluff, William 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 KB7LLC's current licensee, walking backwards.
- CLUFF, WILLIAM AUTgranted 2020-10-06cancelled 2020-11-07
Successor callsigns
Callsigns held now by people who previously held KB7LLC.
No current licensee on record previously held this callsign.