8
UAV-1001006-001
ECCN 7A994
4. Introduction
The echoUAT is a remotely mountable ADS-B transceiver that incorporates
a dual-link (1090 MHz and 978 MHz) receiver and 978 MHz UAT Class
B1S transmitter.
• An internal power transcoder detects pressure altitude and ATC
squawk codes from Mode C or Mode S transponders by decoding the
radar replies via the aircraft electrical system. No direct connection
wiring to the transponder is required.
◦ The echoUAT may be “hard-wired” to a few specific Garmin
transponder/encoder combinations using an optionally procured
multiplexer cable, echo Mux, to transfer Squawk code and
pressure altitude directly to the echoUAT.
◦ The echoUAT may be “hard-wired” to Trig TT20/22 systems
,Sandia STX 165/r and Apollo SL-70 transponders with no
procured equipment to transfer Squawk code and pressure
altitude directly to the echoUAT.
◦ The echoUAT may be interfaced to and controlled by a GRT or
MGL EFIS via the TMAP protocol.
• The echoUAT requires a WAAS enabled ADS-B compliant GPS
source. The GPS system that are compatible with the echoUAT are
comprised of the following systems;
◦ uAvionix SkyFYX/SkyFYX Ext
◦ GRT SafeFly 2020
◦ Garmin GNS 4XX, 5XX, 6XX, 7XX series with ADS-B +
◦ Avidyne GNS replacements
◦ Trig TT series transponders providing GPS data via the TMAP
protocol
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