Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9MHI callsign genealogy
Currently held by Peterka, Steven F
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 W9MHI's current licensee, walking backwards.
- Peterka, Steven FINgranted 2018-03-06cancelled 2021-08-28
Successor callsigns
Callsigns held now by people who previously held W9MHI.
No current licensee on record previously held this callsign.