Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9MSK callsign genealogy
Currently held by Alley, Michael S
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 W9MSK's current licensee, walking backwards.
- Alley, Michael SINgranted 2008-01-03cancelled 2012-10-27
Successor callsigns
Callsigns held now by people who previously held W9MSK.
No current licensee on record previously held this callsign.