ADS-B Installation Gallery

Denny Kotz

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

Verified

Key Takeaways:

The author upgraded an obsolete and failing Narco 50A transponder to a modern Stratus ESG transponder and Stratus 2S.
The installation involved removing old equipment, installing a new rack, a higher-accuracy encoder (25 ft.), and routing new antenna cables.
A new GPS antenna was carefully drilled, positioned, and sealed on the aircraft fuselage to provide enhanced satellite information to the Stratus 2S.
This modernization improved the aircraft's transponder capabilities, altitude reporting accuracy, and the Stratus 2S's GPS functionality.

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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.