UPS Aviation Technologies Apollo SL70R, Installation Manual

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Installation Procedures
Apollo SL70R Installation Manual
12
2.8 A
NTENNA
I
NSTALLATION AND
C
ONNECTIONS
The antenna should be mounted in a vertical position in an area on the bottom of the air-
craft away from other antennas or landing gear.
The antenna coax cable should be a double shielded low loss cable and must have a cable
loss of < 3 dB at 1090MHz, including connectors. A typical installation should have a
cable loss of 1½ to 2 dB. Several suitable coaxes are RG142B and RG400.
The assembly of the rear panel coax connector included with the installation kit is illus-
trated in the following figure.
0.125
Insulation
1.000
STEP 1
Cable
Shrink
Tube
Matching Ring
Cap
STEP 3
STEP 4
-Slide shrink tube over cable.
-Strip cable as shown.
Solder Center
Conductor
-Solder cap into place, 2 Places.
-Shrink tube as shown.
Solder Cap
2 Places
STEP 2
.125
Shield 0.250
-Flare Outer Shield as Shown
Solder Outer Shield
to Connector
-Place cable in connector as shown placing inner
shield inside connector.
-Flatten outer shield against connector.
-Solder outer shield to connector.
-Solder center conductor
-Slide matching ring into connector and around
conductor.
-Attach cap.
Figure 2-4. Coax Cable Assembly