sacramento

K6IS North Hills Radio Club - Sacramento - Amateur (Ham) Radio Club in Sacramento, California

W6AK Sacramento Amateur Radio Club Inc. - Established in 1914, the Sacramento Amateur Radio Club (SARC) is an ARRL-affiliated Club.

Yolo Amateur Radio Society (YARS) - The Yolo Amateur Radio Society (YARS) is primarily a public service oriented club assisting with communications for many public events around the Sacramento Valley.

W6RHC GEARS - GEARS was organized on August 13, 1939 by a group of eleven hams from towns throughout the North Sacramento Valley area.

Contra Costa Repeater Association - The Contra Costa Repeater Association operates the WA6HAM VHF amateur repeater serving the San Francisco and Sacramento California areas. It was established in 1977.

K6MVR MVRC Radio Club - The Mt.Vaca Radio Club (Call sign K6MVR ) owns and operates repeater systems in and around Sacramento, California. The systems provide reliable coverage for mobile stations throughout the Sacramento Valley region and beyond to Modesto, Chico, the Sierras, and parts of the Bay Area.

Sunspot answer book - Mr Sunspot's Answer Book National Solar Observatory Sacramento.