Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD9MJS callsign genealogy
Currently held by Semenas, Michael 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 KD9MJS's current licensee, walking backwards.
- Semenas, Michael JWIgranted 2006-01-09cancelled 2006-01-28
Successor callsigns
Callsigns held now by people who previously held KD9MJS.
No current licensee on record previously held this callsign.