Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WY7CWO callsign genealogy
Currently held by Rocky Mountain CWops 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 WY7CWO's current licensee, walking backwards.
- KI7VIFcancelledRocky Mountain CWops ClubWYgranted 2018-03-20cancelled 2018-06-01
Successor callsigns
Callsigns held now by people who previously held WY7CWO.
No current licensee on record previously held this callsign.