C-Nav 2050M, Руководство пользователя

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C-Nav2050 User Guide
L-band Antenna (C-Nav2050R Only)
The separate L-band antenna (P/N: 825R003-0) for the
C-Nav2050R is used in high latitude applications and
most frequently on marine vessels. This is an active
antenna, meaning it has a built-in LNA Therefore, this
antenna should have good isolation from other near-
frequency antennae. The best practice is to follow the
same precautions a
GPS antenna. s the standard
Figure 19 : High Latitude L-band Antenna
n platforms with many antenna systems, it is better to
m path
and
the
8
rd and L-band antenna
specifications.
O
locate the standard GPS antenna closer to the
wheelhouse, but out of the radar or satcom bea
and the L-band antenna high on the mast.
Applications at high latitudes without the L-b
antenna should mount the GPS antenna high on
mast, with the same considerations for beam path
avoidance and cable loss limitations. Refer to
Table
for acceptable cable lengths
.
Refer to Appendix B for Standa
3-7