Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9BIG callsign genealogy
Currently held by SCHNUR, MICHAEL T
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 W9BIG's current licensee, walking backwards.
- SCHNUR, MICHAEL TILgranted 2004-07-09cancelled 2012-07-13
Successor callsigns
Callsigns held now by people who previously held W9BIG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9BIG, oldest first.
- GRIEP, EMMETT J IL1997-11-17 → cancelled 2009-11-18
- SCHNUR, MICHAEL T IL2022-06-03 active