Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI9ALC callsign genealogy
Currently held by Clark, Alan P
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 WI9ALC's current licensee, walking backwards.
- Clark, Alan PWIgranted 2018-05-02cancelled 2021-04-17
Successor callsigns
Callsigns held now by people who previously held WI9ALC.
No current licensee on record previously held this callsign.