ADS-B Installation Gallery

Panel cover
Gemini Sparkle

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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GPS antenna from the top

My new GPS antenna location. It must not be shadowed by other antennas, which required measuring from the proposed location to the other antennas in that location. Getting it straight was done using our eyes from several different locations. There were no definite body lines to follow. Several minutes were devoted to checking the orientation of the antenna from every angle. Once we were satisfied, the four mounting holes were drilled. Once again, I sat inside the airplane with a cup to catch the metal while Jacob drilled the holes.

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