Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WC7O callsign genealogy
Currently held by CASCADE MOUNTAIN AMATEUR RADIO SOCIETY
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 WC7O's current licensee, walking backwards.
- KD7JUHcancelledCASCADE MOUNTAIN AMATEUR RADIO SOCIETYWAgranted 2000-07-14cancelled 2000-12-01
Successor callsigns
Callsigns held now by people who previously held WC7O.
No current licensee on record previously held this callsign.