Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9BYU callsign genealogy
Currently held by PEDRI, RUSSELL E
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 K9BYU's current licensee, walking backwards.
- PEDRI, RUSSELL ECOgranted 2013-07-09cancelled 2020-05-22
Successor callsigns
Callsigns held now by people who previously held K9BYU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9BYU, oldest first.
- Thompson, David D IN2007-12-22 → cancelled 2019-12-24
- PEDRI, RUSSELL E CO2020-05-22 active