Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7BYU callsign genealogy
Currently held by BILLINGS, JARIME 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 KC7BYU's current licensee, walking backwards.
- LEE, RUSSELL AAZgranted 2022-01-27cancelled 2022-07-12
Successor callsigns
Callsigns held now by people who previously held KC7BYU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC7BYU, oldest first.
- BILLINGS, JARIME R UT1994-04-19 → cancelled 2006-04-20
- Lee, Russell A AZ2022-07-12 active