Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9CAP callsign genealogy
Currently held by Illinois Wing Civil Air Patrol Amateur Radio Club
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 W9CAP's current licensee, walking backwards.
- KB9QPGno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held W9CAP.
No current licensee on record previously held this callsign.