Trig Example Systems Page 2

Example ADS-B 1090 Out Systems

TT22 Transponder with TN72 GPS Source - Use mainly in Experimental Aircraft
  

  or  or      

Transponder
Trig TT22

Wiring Harness
 Cable-TT22-TC20-1-TN72-1 
or

Cable-TT22-TC20-3-TN72-1

Antenna Cable
 Cable-Ant-LMR240-BNCm-TNCm-3 

Transponder Antenna
RAMI-AV-22 
or 
RAMI-AV-74-1
or 
AAE L2

GPS
Trig TN72

GPS Antenna
Trig TA50-1m
or
Trig TA50-3m

Note: If you already have a TT22 installed, the Goddard:  Cable-TT22-TN70-0p5 connects between the existing TT22 wiring harness and the TT22.

TT22 Transponder with TN70 GPS Source - Use mainly in non-Experimental Aircraft



 or or 


Transponder
Trig TT22

Wiring Harness
Cable-TT22-TC20-1-TN72-1
or
Cable-TT22-TC20-3-TN72-1

Antenna Cable
for TT22 Transponder Antenna
Cable-Ant-LMR240-BNCm-TNCm-3

Antenna
RAMI-AV-22 
or 
RAMI-AV-74-1
or 
AAE L2

GPS Trig TN70
includes TA70 GPS antenna

Antenna Cable
for TA70 GPS Antenna
Cable-RG400-TNCm-TNCm-3

Peregrine Airspeed
Switch Kit
(required for FAA
approval)

Note: If you already have a TT22 installed, the Goddard: Cable-TT22-TN70-0p5 connects between the existing TT22 wiring harness and the TT22.


Wiring harness for connecting TT21 or TT22 to TC20 and 12V power - $145 (0.5 m or 1 m) or $155 (3 m)

The basic system includes all the required connectors, but they are not wired together.  This is a pre-wired wiring harness which makes installation faster and trouble-free.  It may also save you delays and repair bills should you accidentally connect something incorrectly.  This wiring harness is assembled and tested using a cable tester by Larry Goddard.  It has a DB-9f connector at the TC20 end and a DB-25m connector at the TT21 end.  It also includes power leads for 10 to 30 VDC. There are 3 cable length options: 0.5 m (19.7 inches), 1 m (3.281 feet) and 3 m (9.84 feet).  The 0.5 m length is perfect for installations where the TT21 Transponder Unit will be mounted near the TC20 Control Unit (such as in front of the instrument panel in the nose of a glider) and the 3 m version should be long enough for mounting the TT21 unit behind the pilot, near where the antenna is installed.
Note: Wiring for external "Squat" and "Ident" switches is not included.  The squat switch input is only for aircraft with built-in squat switch circuitry.  It is my understanding that a landing gear switch in a glider can not be used as a squat switch because it would cause the transponder to send incorrect information while the landing gear is down during aerotow and in the landing pattern.  The "Ident" switch is not necessary because the "IDT" pushbutton on the TC210 control unit has the same function.

    Wiring Harness for Connecting a TT22 to a TN70 GPS

    Wiring Harness for Connecting a TT22 to a TN72 GPS

    Antenna Cables
    I offer transponder antenna cables made by Larry Goddard in several lengths.  They include a TNC connector for connection to the transponder and a BNC connector for connection to a transponder antenna.  They are available in 1 m (3.281 ft), 3 m (9.84 feet) and 5 m (16.4 feet) lengths.

    Transponder Antennas

    Several transponder antenna options are listed on the Antennas page.  The RAMI rod style and "shark fin" styles are the most popular.  I recommend the shark fin style because I recall from my fluid dynamics courses that the two worst types of bodies in regard to drag are spheres and cylinders.  For installations inside fiberglass, wood and fabric gliders, or in the vertical fin in carbon fiber gliders (with the fin made of fiberglass) you may want to consider the L2 antenna from AAE.


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