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This site is operated by and for Cupertino Amateur Radio Emergency Service (CARES) members interested in emergency preparedness and amateur radio communication. Visitors are welcome to check us out.

What's News!

Cross-band repeaters... what's the opportunity?

28 Dec 2017

This was the question that came out of our December CARES meeting. Judy KK6EWQ lead the membership in a terrific discussion on the what's, how's, and when's of cross-band repeaters. See the the presentation here for the details.

The aspect of the presentation that was most interesting was the live demo using a Kenwood TM-V71 in cross-band repeat mode. With one side of the room on a VHF channel and the other side on UHF, we had a chance to not only see how the mode works, but also get to hear the self-Identification feature that the V71's have built in.

So, what's the opportunity? The picture on the right says it all... CARES will include a cross-band repeater test deployment as part of its May 2018 field exercise. This should confirm for us whether we have a new tool for our toolbox.   

Heroes Run -- Making a difference

Event crest

Posted by SCVMC, 21 Dec 2017

Everyone needs a hero, and the annual November Heroes Run certainly provides heroes and more for kids who are cared for in Santa Clara Valley Medical Center’s children's health programs.

As in past years, the run was organized by the Santa Clara County Sheriff’s Office, Santa Clara County Fire Department, Santa Clara Valley Medical Center, and the VMC foundation. This year more than 1,000 people participated and raised more than $50,000 for children's health services. Donations from the Heroes Run go to kids in our care.   

Preparing for an EMP

Starfish Prime - Honolulu night sky

Posted by Jim  KN6PE, 2 Nov 2017

This was the topic for this month's CARES meeting. Over the years, we have spent time talking about the different risks that the City faces, and EMP -- Electromagnetic Pulse -- and Solar EMPs were only lightly touched on during our Communications Outage discussions of last year.

This is not an easy topic and is further complicated by the broad spectrum of information, ranging from fact to fiction, on the web. So, the intent of this month's session was to slowly ease into the topic, describe what an EMP is, what causes them, and what, if anything, we should do to prepare for them in the event one does occur. Even here, the topic was limited to equipment preparedness.

There were plenty of good questions and discussion, with more information and references coming up over the course of the meeting. For many of us, I suspect we are only just scratching the surface, and it will take time to search out the facts and let them sink in. See the start of an EMP Resource page and the presentation here for a copy of the slides.   

Too many questions, not enough frequencies

ICS 205

Posted by Jim  KN6PE, 6 Oct 2017

How do we handle the expected interference on TAC1 during a bay-area wide event? What should we do with the desense issue between the resource and message nets? And, how do cover multiple field teams deployed to different ICPs?

These were just some of the questions that were discussed during the CARES October General Meeting. With the replacement of the Citys' Public Safety Comms Vehicle only a few months away, this seemed like a good time to address these questions. This topic, and some of the recommendations presented, prompted plenty of discussion and ideas on how to proceed. And with these ideas in hand, this may form the basis for our field test later on this year.

See the October 2017 presentation for details. And stay tuned for more information on how we will proceed.   

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Upcoming Activities

2 Jun 2022, Monthly Meeting
Field Day, Forth of July Prep, 7:30p to 9:00p, by Teleconf   

25 Jun 2022, ARRL Field Day
8:00am to 5:00pm, Location to be determined   

4 Jul 2022, Forth of July PSE
CARES, CERT, and MRC support for Cupertino's annual Fireworks event. **PENDING**   

3 Aug 2022, New Member Orientation
A short introduction to CARES. 7pm-8pm, Location TBD   

2 Nov 2022, New Member Orientation
A short introduction to CARES. 7pm-8pm, Location TBD