smc2putt
Joined: 30 Aug 2007 Posts: 3 Location: Bella Vista, Arkansas
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Posted: Fri Aug 31, 2007 8:40 am Post subject: GA-56 Garmin GPS antenna failure |
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FYI the GA-56 fried itself after only 150 hours under the cowl of my RV-6. It was mounted on the firewall about a foot inboard from the oil service door. It worked fine in that location until the abrupt failure.
Both John Stark and Garmin indicate that "about 150-160 degrees F." is the maximum temperature for operating this antenna. This is (without stepping on toes) contrary to several posts on this site.
The good news is that there are many used GA-56's out there due to the WAAS mods, so replacement is relatively cheap. I plan to install the new GA-56 on the top skin behind the firewall. I'll sacrifice 1/10th of a knot for better antenna longevity.
Steve Chambers N99ST O-360 fixed, tip-up, IFR
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_________________ Steve Chambers |
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