Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7OEM callsign genealogy
Currently held by King County Oem Employees 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 KC7OEM's current licensee, walking backwards.
- KF7VHUcancelledKing County Oem Employees Amateur Radio ClubWAgranted 2012-04-18cancelled 2012-05-19
Successor callsigns
Callsigns held now by people who previously held KC7OEM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC7OEM, oldest first.
- LIZARDO, GIL R WA1995-12-06 → cancelled 2007-12-07
- King County Oem Employees Amateur Radio Club WA2022-05-12 active