ADS-B Installation Gallery

Denny Kotz

Wednesday, June 28, 2017 at 02:18 PM ET

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Key Takeaways:

The author upgraded their airplane's failing and obsolete Narco 50A transponder and encoder to a new Stratus ESG system, installing a rack that fit the old location and a new encoder with improved 25 ft accuracy.
A new GPS antenna was carefully installed on the fuselage, requiring drilling a new hole, strengthening the installation with a doubler, and sealing it to ensure leak-free operation.
New antenna cables were routed from the GPS antenna and a whip antenna to the Stratus ESG transponder and integrated Stratus 2S, allowing the 2S to receive satellite information without needing direct sky visibility.

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My new Stratus ESG Transponder and my Stratus 2S. The 2S is connected by an antenna and power cable inside an open bay in my panel. The Stratus 2S obtains satellite information from the newly installed GPS antenna, so it no longer has to have a visible view of the sky. However, it must retain the proper fore and aft orientation in order to provide the necessary attitude information.