Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0GHZ callsign genealogy
Currently held by Colorado Microwave, Weak Signal And Astronomical 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 KC0GHZ's current licensee, walking backwards.
- KF0DBUcancelledColorado Microwave, Weak Signal And Astronomical SocietyCOgranted 2020-12-29cancelled 2021-09-25
Successor callsigns
Callsigns held now by people who previously held KC0GHZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0GHZ, oldest first.
- Yocom, James M CO2009-05-29 → cancelled 2021-08-27
- Colorado Microwave, Weak Signal And Astronomical Society CO2021-09-25 active