Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI9CAT callsign genealogy
Currently held by Walsh, Grace A
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 WI9CAT's current licensee, walking backwards.
- Walsh, Grace AWIgranted 2007-05-08cancelled 2007-06-05
Successor callsigns
Callsigns held now by people who previously held WI9CAT.
No current licensee on record previously held this callsign.