Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9IWZ callsign genealogy
Currently held by WEMBER SR, 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 W9IWZ's current licensee, walking backwards.
- WEMBER SR, MICHAEL TWIgranted 2002-10-17cancelled 2002-12-13
Successor callsigns
Callsigns held now by people who previously held W9IWZ.
No current licensee on record previously held this callsign.