Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7CWO callsign genealogy
Currently held by Northwestern 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 W7CWO's current licensee, walking backwards.
- KI7VVEcancelledNorthwestern CWops ClubMTgranted 2018-03-29cancelled 2018-04-21
Successor callsigns
Callsigns held now by people who previously held W7CWO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7CWO, oldest first.
- VAUGHN SR, GERALD W WA1999-05-03 → cancelled 2011-05-04
- Northwestern CWops Club MT2018-04-21 active