Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI9NCR callsign genealogy
Currently held by Northwoods Communications Resources
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 WI9NCR's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WI9NCR.
No current licensee on record previously held this callsign.