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 GPS antenna before it was installed. An O-ring is provided to seal the antenna to the fuselage. In addition, a sealant was applied to the perimeter of the antenna in order to ensure leak-free operation no matter what the environmental conditions.