MDARC provides a wide variety of programs and activities for its members. These include hosting and staffing our Campout and Field Day each June, PACIFICON (ARRL Pacific Division convention since 1920) each October, annual holiday party, public service events, great monthly meeting speakers, newsletter, ham radio classes, license testing, vehicle deployments, repeaters, ATV and weekly on the air nets.
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ANNOUNCEMENTS
(See Announcements page for more.)
Upcoming License Testing
Friday, July 18, 2025 @ 5:30 PM
Our Savior's Lutheran Church
1035 Carol Lane, Lafayette
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Licensed for six months or less?
QRZ Jumpstart offer
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Level 3: Extra License Course
Each Tuesday, Jun 24 - Aug 26, 2025
(10 sessions) 7:00-9:00 PM
Held via Zoom and In-Person at:
Clayton Valley Presbyterian Church
1578 Kirker Pass Road
Clayton, Ca 94517
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Join/Renew your Membership for 2025
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See our PACIFICON site for details on the best ham radio convention in the Western United States since 1920.
Fri - Sun, Oct 10-12, 2025
Hybrid Meeting!
Both In-Person and on Zoom
We meet upstairs in Oak View 3. Park in the Upper Parking Lot. Testing is also upstairs. Ask anyone when you arrive.
Please see our COVID-19 statement before attending any Club in-person meeting or event.
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Veterans radio Net Wed 6PM
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real time weather
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Thank you one and all!
We had a great Field Day in Concord.
Sat & Sun, June 28-29, 2025
MDARC Membership supports our voice & ATV repeaters (W6CX), Packet / APRS,
Education & Testing, Public Service, Activities and is
tax deductible.
Update Member Directory listings or Renew on the Member Portal
MDARC is a 501(c)3 organization. We accept tax deductible club donations via PayPal.
Amateur Radio Event Support
MDARC can help provide Amateur Radio communications support for your event and assistance planning better event communications, event safety and event coordination. We can support all event areas including areas where cell phones do not work, SAG/Sweep Vehicles, Rest Stops, Water Stations, etc. Contact the public service coordinator listed on the Public Service Page for assistance. We are operating and/or promoting approximately 42 events in 2025 throughout the region.
Join MDARC.groups.io to stay up to date with what's happening, meeting announcements, etc. Details:
Communicating With You.
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Mount Diablo Amateur Radio Club
The Mount Diablo Amateur Radio Club (MDARC) was founded in 1947. Today it has a membership of approximately 300 dedicated hams and is one of the largest amateur radio clubs in California. MDARC's purpose is to encourage innovation in amateur radio, provide public service and educational opportunities, foster goodwill within our community, and have fun in the process.
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