Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9YZM callsign genealogy
Currently held by SHARPE, 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 W9YZM's current licensee, walking backwards.
- SHARPE, MICHAEL JILgranted 2014-09-17cancelled 2021-03-16
Successor callsigns
Callsigns held now by people who previously held W9YZM.
No current licensee on record previously held this callsign.