Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI9SUB callsign genealogy
Currently held by Winter, Richard 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 WI9SUB's current licensee, walking backwards.
- Winter, Richard AWIgranted 2022-02-08cancelled 2022-04-29
Successor callsigns
Callsigns held now by people who previously held WI9SUB.
No current licensee on record previously held this callsign.