Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7CX callsign genealogy
Currently held by Lyon, Linton 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 KB7CX's current licensee, walking backwards.
- DAVIS, WILLIAM CWAgranted 2017-10-19cancelled 2021-06-04
Successor callsigns
Callsigns held now by people who previously held KB7CX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB7CX, oldest first.
- Lyon, Linton A CA2008-10-15 → cancelled 2020-11-26
- DAVIS, WILLIAM C WA2021-06-04 active