There is more than one approach to mounting the Marine Helix Antenna, and
every vessel installation is different. Follow the below guidelines while installing
the marine antenna:
Choose a location based on limited obstruction interference. The Marine
Helix Antenna should be mounted at the highest point on the vessel with
a 360° view of the sky as possible, from horizon to horizon, and should
not be mounted near any large obstruction such as:
•
Ship’s funnel
•
Mast
•
Wheel house
Any obstruction can cause signal degradation. The amount of
degradation depends on the size of the obstruction and distance from
the antenna. The table gives a guideline for obstruction sizes that will
cause limited degradation.
Choose a location based on proximity to other RF antenna sources,
radars and other ship equipment. The Marine Helix Antenna must
be mounted as far away as possible from the vessel’s radar and other
RF sources.
•
Greater than 3 feet apart from another transmitting antenna
(including the GPS antenna).
•
3 feet away from the ship’s magnetic compass
The Marine Helix Antenna should be 20° above and 20° below any
radar path. Below is the minimum acceptable separation between a
radar and the Marine Helix Antenna:
•
X-Band - 12 ft.
•
S-Band - 6 ft.
The Marine Helix Antenna and GPS antenna uses Coaxial Cables that
connect the antennas to the Sat-Fi2.
•
Use only the coaxial cables that come with the Sat-Fi2 Remote Antenna Station. Do not cut or modify the coaxial cables.
•
Do not use any additional coaxial antenna cables or non-Globalstar coaxial antenna cables - Either of these modifications may damage the
Sat-Fi2 Remote Antenna Station, void the warranty and violate various government regulations.
•
Use existing slots and channels on the vessel for routing.
•
Do not kink the coaxial cables.
•
Route cables so that they are at least 6 inches from vehicle electrical cables so not to cause electrical interference.
•
Extended length coaxial cables are available (sold separately)
Mount the GAT-17MR Antenna to a standard Marine Mount.
•
Attach the Marine Helix Antenna to a standard 24 threads per inch marine mast (not included).
•
Use appropriate and sufficient mounting hardware to ensure proper and secure installation of the marine mast (not included).
Power Adapter
(12V AC Wall Adapter or 12V DC Bare Wire)
B
QUICK INSTALLATION GUIDE - MARINE
INSTALLATION PROCEDURES
GUIDELINES FOR A MARINE INSTALLATION
Separate Helix Antenna from the Mounting Bracket by
removing the screws.
Connect the Marine Helix Antenna Pigtail Cable to the Marine
Helix Antenna:
•
Connect the Male SMA connector with the white label
marked
B
to the SMA connector marked RX BLUE.
•
Connect the other Male SMA Connector to the SMA
connector marked TX BLUE.
Re-connect the Mounting Bracket to the Helix Antenna:
•
Ensure the Marine Helix Antenna Pigtail cable is run
the through seal between the Helix Antenna and the
Mounting Bracket as illustrated.
•
Re-attach all screws.
Attach the Marine Helix Antenna to the Marine Mast (Not
included and must be previously installed).
Mount the GPS antenna on top of the vessel. (The GPS
Antenna must be at least 3 feet from the Helix Antenna.)
Connect the Coaxial Antenna Cable to the Helix Antenna
pigtail cable. (Use coaxial sealant, shrink-wrap tubing, or
other suitable products to seal the external cable connections
to prevent moisture & corrosion damage.)
NOTE:
Do not kink or pinch Coaxial Antenna and GPS
Antenna cables when brought through hatches and portholes.
- Coaxial Antenna Cable LMR-100 Bend Radius = 0.25 in.
- Tiewrap
Connect the Coaxial Antenna Cable to the RX and TX ports on
the Sat-Fi2 RAS - Left Panel.
Connect the GPS Antenna Cable to the GPS port on the
Sat-Fi2 RAS - Left Panel.
Connect the Wi-Fi Antenna to the Wi-Fi port on the Sat-Fi2
RAS - Left Panel.
Connect either the 12V DC Bare Wire or 12V AC Wall
Adapter Power cable to the Power port on the Sat-Fi2 RAS -
Right Panel.
NOTE:
Power is 12-24 VDC nominal.
1
1
2
2
3
3
4
4
5
6
7
8
9
10
Magnetic Mount
GPS Antenna
Sat-Fi2 RAS - Left Panel
Coaxial Antenna Cable
GPS Antenna Cable
Marine Helix
Antenna
Marine Mast
(Not included)
Marine Helix Antenna
Pigtail Cable
RX BLU
E
TX RED
1
2
6
9
7
8
3
4
5
Distance from Obstruction
Size of Obstruction
3 ft.
< 6 in.
15 ft.
< 12 in.
30 ft.
< 24 in.
60 ft.
< 36 in.
Radar
20°
20°
Unobstructed view of sky all direction
Unrestricted area for obstructions
Minimize
Obstructions
Minimize
Obstructions
> 30.0’
> 30.0’
Sat-Fi2 RAS Right Panel
Power LED
Satellite LED
Power Switch
S.O.S. LED
10
Wi-Fi Antenna
GLOB19_SF2RAS_QuickInstallationGuide_Marine.indd 1
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