Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA9MUS callsign genealogy
Currently held by Cadmus, Peter J
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 KA9MUS's current licensee, walking backwards.
- Cadmus, Peter JCOgranted 2006-12-07cancelled 2007-02-08
Successor callsigns
Callsigns held now by people who previously held KA9MUS.
- KOUZMANOFF, DAVID MILgranted 2020-12-15