SV-GPS-2020 GPS Antenna/Receiver Installation and Configuration
11-2 SkyView HDX System Installation Manual - Revision E
improve positional accuracy. Many pilots confuse a GPS unit that receives WAAS data
with a GPS Navigator unit that is certified for flight in Instrument Flight Rules (IFR)
conditions. To be clear, the SV-GPS-2020, connected to a SkyView system, do receive
WAAS data (when available), but having a SV-GPS-2020 (but not an IFR or “certified”
GPS) does not mean that your aircraft is properly equipped for legal flight under IFR.
Only the SV-GPS-2020 or equivalent “high integrity” GPS unit meets the
(GPS portion of the) requirements of the FAA 2020 ADS-B Out mandate. If
you are equipping your plane for use in the US, to be compliant with the FAA
2020 ADS-B Out mandate, we recommend that you install the SV-GPS-2020.
Valid GPS data is required for time, compass calibration, moving map
functionality, ADS-B IN, and ADS-B OUT, data logging, and other internal
functions of the SkyView system. If your plane is already equipped with a
GPS unit and it can output GPS data, SkyView can use that GPS data for its
operations (other than FAA 2020 ADS-B Out mandate). However, if you
decide to do so, be advised that other GPS units typically provide GPS data
updates only once per second (1 Hz); this can cause position updates for the
Synthetic Vision (SynVis) and the map position to appear “jerky.” In contrast,
the SV-GPS-2020 provide positional updates much faster – four (4) times per
second (4 Hz) for the SV-GPS-2020, which provides a superior display for
SynVis and map position updates.
11.2 Mechanical Installation
Like all GPS devices, for most reliable performance, the SV-GPS-2020
requires a clear, unobstructed “view” of the sky. The -GPS-2020 is designed
to be mounted on the upper fuselage of the aircraft for an unobstructed (360°
view) of the sky during maneuvers.
Observe the following guidelines when choosing a location for an SV-GPS-2020:
• The optimal location for the SV-GPS-2020 is a rigid surface on the upper
fuselage of the aircraft.
• Mounting location should be relatively level (the base of the SV-GPS-2020 is
flat).
• Do not locate the receiver within 3 feet (91.44 cm)of transmitting antennas.
• Avoid antenna shadows (i.e., obstructions that block the antenna’s view of the
sky).
• All four (4) of the SV-GPS-2020’s wires should all be connected to each
SkyView system display for redundancy.
The following diagram shows the mounting dimensions of the SV-GPS-2020. Note that it
utilizes a common bolt pattern found in much of general aviation.
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