Scanner, radio monitoring, aviation, public safety communications, and Amateur Radio resources for Southern California.
Welcome to the Southern California Monitoring Association
The SCMA is a community for scanner listeners, amateur radio operators, aviation monitors, public safety communications enthusiasts, and radio hobbyists throughout Southern California. Since 1996, we’ve helped people share frequency information, monitoring tips, newsletters, meeting information, and radio-related news.
Latest SCMA News Articles
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Chinese AI Firm Claims It Tracked B-2 Bomber Signals — and the Technology Has Lessons for Today’s Radio Monitors
An unverified B-2 claim highlights a real shift in modern monitoring: radios, open-source data, and AI are now part of the same picture A Chinese…
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FCC Warns Jack Gerritsen Over Alleged Unlicensed Ham Radio Operation in Los Angeles
The Federal Communications Commission has issued a new warning to Jack Gerritsen, a longtime figure in Southern California amateur radio enforcement history, after FCC agents…
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U.S. Air Force Plans to Buy Thousands of New Survival Radios for Downed Aircrew
The U.S. Air Force is preparing to buy thousands of new handheld survival radios designed to help locate and recover downed pilots and aircrew in…
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New Rosenbauer PANTHER ARFF Trucks Heading to LAX
Three New Rosenbauer PANTHERs for LAX Three new Rosenbauer PANTHER aircraft rescue and firefighting vehicles are on their way to Los Angeles International Airport, continuing…
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Senator Ted Cruz Praises Amateur Radio Volunteers for Emergency Preparedness
From ARRL.com Senator Ted Cruz, in a strong pre-Memorial Day message, publicly highlighted the critical role that Amateur Radio Service volunteers play during disasters, praising and…
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Garden Grove HazMat Incident Shows the Public Safety Problem With Encrypted Radio Systems
When everything is encrypted, the public must trust that agencies will release enough information quickly enough. Sometimes they do. Sometimes they do not. Garden Grove…
Popular SCMA Resources
Join Us for an SCMA Meeting
SCMA currently meets online via Zoom on the first and third Wednesdays. Visitors are welcome. Our meetings include radio monitoring discussion, scanner tips, frequency updates, presentations, and conversations with other radio hobbyists.
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