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 new Stratus ESG transponder system in their airplane.
The installation involved replacing the old rack and encoder with a new, more accurate encoder (25 ft accuracy), and drilling a new hole in the fuselage for a dedicated GPS antenna.
New antenna cables were carefully routed, and the Stratus 2S unit now integrates with the external GPS antenna, eliminating the need for a sky view.

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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.