T
Thrane & Thrane
T
TT-3020B C p a ra
Capsat Transceiver
I
t l
o
l
Installation Manual
P g
Page 2
12
5
30MAY95
2.4.2
Mounting bracket
The omnidirectional maintenance free antenna unit must be mounted in a high location
with direct line-of-sight to the satellites.
Illustration of the 1½" Adaptor for mouting on a pole is enclosed in the back of this
manual.
The Adaptor may be removed by loosening the three Allan screws fitting the bracket to
the antenna.
2.4.3
Antenna connector
"N" type connectors are available from manufacturers like:
Suhner, Radial, Omnispectra, Kings, etc.
2.4.4
Antenna cable
Your Integrated Capsat System, has been delivered with a 5m coaxial cable, pre-
terminated with a standard connector of "N" type.
The specifications requires that the total maximal attenuation at 1.65 GHz must be less
than 16 dB, and the maximal total (short-circuited in one end) DC resistance must not
exceed 0.8 Ohms.
In case the antenna cable is to be produced on site, the cable type should match the
below listed guide-lines:
R
g
Range (m)
e
Cable type no.
ec
e
Connector type no.
u
r
(Suhners)
1 - 5
RG-223U, 5.5 mm
(Cable enclosed)
6 - 40
RG-214U, 10.8 mm
11N-50-7-44
41 - 80
SA7272, 10.0 mm
11N-50-7-35
81 - 100
SA12272, 15.0 mm
11N-50-12-35C
Table 6: TT-3020B Capsat Transceiver Antenna Cable types
All antenna cables types are double shielded.
The antenna cable may run together with radar or navigator cables. Separate cable
ditch is not required.
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