Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA9IVM callsign genealogy
Currently held by OSBORNE, SAMUEL G
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 WA9IVM's current licensee, walking backwards.
- OSBORNE, KEVIN PILgranted 2003-09-19cancelled 2009-01-16
Successor callsigns
Callsigns held now by people who previously held WA9IVM.
- OSBORNE, KEVIN PILgranted 2024-04-16
All historical holders
Every license row we've seen with the callsign WA9IVM, oldest first.
- OSBORNE, SAMUEL G IL1994-03-15 → cancelled 2006-03-16
- OSBORNE, KEVIN P IL2018-10-23 → cancelled 2024-04-16