Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9ZFX callsign genealogy
Currently held by STEIMLE, IAN B
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 W9ZFX's current licensee, walking backwards.
- STEIMLE, IAN BWIgranted 2001-01-31cancelled 2003-02-12
Successor callsigns
Callsigns held now by people who previously held W9ZFX.
- STEIMLE, IAN BCAgranted 2003-02-12cancelled 2008-02-20