Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9JWM callsign genealogy
Currently held by McGregor, Jack W
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 KC9JWM's current licensee, walking backwards.
- McGregor, Jack WWIgranted 2002-12-30cancelled 2003-02-19
Successor callsigns
Callsigns held now by people who previously held KC9JWM.
- McGregor, Jack WWIgranted 2017-06-28