Installation manual

CX34/44/54 NavStation Installation 1 - 21
1.9 Installation of GPS / DGPS antenna
The antenna must be placed in a position where tall
constructions, steel wires, masts, etc. do not obstruct
the view to the satellites. Do not, however, mount
the antenna in the top of a mast or tower, as this
may degrade the COG and SOG readings, especially
if DGPS is used. Do not place the antenna close
to sources of electrical inteference, such as radar,
satcom, etc. If installing the GPS antenna close to
other antennas it must be placed either above or below
the radiation beams. There is full coverage down to
20° below the horizon.
Avoid installing the GPS antenna inside the beam
areas.
Mounting of DGPS antenna MGL-3
Mount the antenna on a standard US 1” 14 thread
pipe, or optional standard antenna mount. Tighten
firmly, but only by hand - no use of tools. Attach the
antenna cable to the TNC socket.
Mounting of GPS antenna GPS 5
Pull the cable through the mounting base and fix the
mounting base onto a mount with standard US 1” 14
thread. Tighten firmly, but only by hand. Attach the
antenna cable to the TNC socket. Firmly press the
antenna onto the mounting base till it snaps into a
locked position.
The antenna can also be deck mounted or fixed on
a flat surface. Drill a 15 mm hole for the cable and
three 5 mm holes for the fixing screws. Pull the
cable through and connect to the TNC socket. Apply
silicone adhesive along the outer circle of the antenna
and press it into place. Use the included screws to
secure the antenna.