Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA9MBD callsign genealogy
Currently held by Arnold, Peter
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 WA9MBD's current licensee, walking backwards.
- Arnold, PeterCAgranted 2024-12-05cancelled 2024-12-27
Successor callsigns
Callsigns held now by people who previously held WA9MBD.
No current licensee on record previously held this callsign.