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Corona & Norco in Southern California

Ted Freitas Fresno, California, United States

Delta Amateur Radio Club pittsburg california

Association of Silicon Valley Amateur Radio Organizations. ASVARO is a California non-profit public benefit educational corporation (501(c)(3)) dedicated to supporting amateur radio for education and public service. Located in the Silicon Valley of California

The california historical radio society is a non-profit, volunteer organization dedicated to the radio. our members acquire, restore, trade, and exhibit radio technology and memorabilia. our members research and document historical radio. become a chrs member and learn about the art and science of the radio.

High desert amateur radio group, amateur radio operators who live on the Oregon high desert plain that extends from the Cascade Mountains east into Idaho and south to California.

Simi Settlers Amateur Radio Club Simi Valley, California USA

Web site for south county ares (amateur radio emergency service), southern san mateo county, california

SCCC web site

Home page of the Siskiyou County Amateur Radio Association located in northern California; Club Call Sign is K6SIS.

Tahoe Amateur Radio Association, Lake Tahoe, California

Offers irlp echolink node in tulare county california

The California QSO Party (CQP) is the premier state QSO party held every year on the first weekend of October. The Northern California Contest Club (NCCC) has sponsored CQP since 1974.

It has been 40 years since the VHF-UHF Quagi antenna--a combination of the desirable features of a Yagi and a cubical quad--was developed and the design was first published in the newsletter of the Southern California VHF Club, a forerunner of today's Western States Weak Signal Society.

We are amateur radio operators on the Central California coast participating in all phases of amateur radio

The page provides information about the activities and events of the El Dorado County Amateur Radio Club in California, including meeting schedules, field day updates, and presentations by club members.

CTL designs and manufactures a wide range of high-power pulse and CW magnetrons, and provides cost-effective magnetron rebuild services for commercial, industrial and defense users.

This is a 30-watt sea level beacon intended for the coastal path between Northern and Southern California

A group of ham operators in Orange County, California that has supported over 30 hospitals since 1980. Includes information on how hams can provide hospital support in their own areas.

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

By Amateur (Ham) Radio Club in Sacramento California

The Madera County Amateur Radio Club was formed for public service, education, scientific and recreational purposes of amateur radio and to elevate the standards of operating practices and ethics in amateur radio communications. San Joacquin Valley California

Fast Scan Amateur Television in Alabama, Arizona, Northern California Southern California, Georga, Illinois, Indiana, Kentucky, New Mexico, Nevada, Texas, Washington, Delaware, Maryland, New Jersey, and Pennsylvania.

The website for the Northern California Amateur Radio Kids Group.

The Western Amateur Radio Association, founded in 1978, is a Ham radio club based in Fullerton, California. The club supports and participates in many activities, including Field Day, transmitter hunting, microwave, satellite, and APRS, to name a few.

North Bay Amateur Radio Association (NBARA), operates in Vallejo, California, at the northern tip of San Francisco Bay.

The Mother Lode DX / Contest Club welcomes all interested DXers and contesting fans, both casual and rabid, from throughout the Mother Lode region of California

The Conejo Valley Amateur Radio Club (CVARC) is a 501(c)3 organization incorporated as a non-profit in the State of California, and established for the benefit of the amateur radio community.

ECTAR Inc. is a California non-profit 501(C)(3) organization serving Monterey and neighboring counties with emergency communications support

Serving Southern California Since 1980

The San Lorenzo Valley Amateur Radio Club, WR6AOK, is a ham radio club for amateurs in and around the San Lorenzo Valley. We are located between San Jose and Santa Cruz in the coastal mountain range of the Santa Cruz County, California.

The JPL Amateur Radio Club is open to employees and contractors working at all Jet Propulsion Laboratory facilities including the Deep Space Communications Complexes in Australia, Spain and Goldstone California.

The Clovis Amateur Radio Pioneers is a non-profit Amateur Radio Club located in Clovis, California

W1REI / DU1LWQ amateur radio station blog from California

The Northern California DX Foundation is a private foundation established in 1972 to assist worthwhile amateur radio and scientific projects with funding and equipment.

Fast Scan Amateur Television in Alabama, Arizona, Northern California Southern California, Georga, Illinois, Indiana, Kentucky, New Mexico, Nevada, Texas, Washington, Delaware, Maryland, New Jersey, and Pennsylvania

Keller peak repeater association, operate an open amateur radio repeater in the San Bernardino, California, mountains.

CERO is Coronado, California\'s volunteer emergency communications resource.

Active RDF club in California

Small company based in Santa Maria, California, designing and manufacturing electronic products for amateur radio, education, and commercial users. Product line includes APRS devices for real-time vehicle tracking, weather monitoring, and remote telemetry, as well as the ADS-SR1 Simplex Repeater, the ADS-WS1 Weather Station, the SSTVCAM slow-scan TV camera, and GTRANS protocol translator for Garmin FMI.

The Northern Calfornia Transmitter Hunters are a group of people that share a common interest in amateur radio transmitter hunting.

AM radio listening excels at night due to sky-wave propagation, where signals travel farther by reflecting off the ionosphere’s F1 and F2 regions. Daytime ground wave propagation falters as solar radiation ionizes the D region, absorbing signals. At night, reduced ionization allows recombination, letting waves reach hundreds of miles. This enables tuning into distant stations, like KGO in San Francisco from Northern California. Enhanced by tools like the CCRadio-2E, sky-wave propagation turns AM listening into an exciting nocturnal adventure.

Southern California's Premier Repeater System. Intractive map with Analog and Digital mode repeaters in South, Mid and North California

The PAPA System is a member-supported amateur radio network in Southern California with inter-linked FM, D-STAR, DMR, and P25 repeaters. It provides extensive coverage from Mexico to north of Santa Barbara and from the Arizona border to the Pacific Ocean. Known for its reliability and motto "no call goes unanswered," the network supports casual conversations and emergency operations. Members enjoy using the system, attending events, and building friendships. Monthly meetings in Los Angeles, Orange County, and San Diego feature technology presentations, license testing, and door prizes.