Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9WFM callsign genealogy
Currently held by SPROULL, STEVEN C
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 W9WFM's current licensee, walking backwards.
- SPROULL, STEVEN CILgranted 2006-09-18cancelled 2015-10-27
Successor callsigns
Callsigns held now by people who previously held W9WFM.
- SPROULL, STEVEN CILgranted 2016-10-01