Cap that antenna bayonet on your Garmin - SailNet Community

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Go Back   SailNet Community > On Board > Gear & Maintenance > Electronics
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  #1  
Old 10-19-2011
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Cap that antenna bayonet on your Garmin

Our Garmin GPSMap 545s has an unused external antenna coax bayonet on the back, and I assume other Garmins do too. I've always left this bare without thinking about it, but it caught our attention last weekend when in the middle of some high-wind, spray-filled sailing, the GPS reported that it had lost signal. At an inopportune time of course, trying to stay well clear of a shoal on our lee.

Luckily, my crew questioned whether the bare connector was the issue--and they were right. Some salt spray had gotten in and shorted it. Rinsed and dried the inside of the connector, covered it with some silicone tape and we were back in business. If your unused antenna connector doesn't have a cap on it, I recommend you get or make one.
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Old 10-19-2011
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I am sure that will be very usefull jnfo for a lot of people, good post.
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Old 10-19-2011
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FWIW I have found that the rubber cap on an old style measuring dropper makes an excellent cover for small connectors and cable ends:

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