Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9ISF callsign genealogy
Currently held by Indiana State Fair ARC
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 W9ISF's current licensee, walking backwards.
- KC9JNIcancelledIndiana State Fair ARCINgranted 2006-05-22cancelled 2006-06-20
Successor callsigns
Callsigns held now by people who previously held W9ISF.
No current licensee on record previously held this callsign.