Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7BUD callsign genealogy
Currently held by MITZE JR, IRWIN G
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 K7BUD's current licensee, walking backwards.
- ROBERTS, JERROLD EAZgranted 2015-03-07cancelled 2020-11-10
Successor callsigns
Callsigns held now by people who previously held K7BUD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7BUD, oldest first.
- MITZE JR, IRWIN G WA2008-10-22 → cancelled 2020-10-21
- ROBERTS, JERROLD E AZ2020-11-10 active