How to Troubleshoot a Raytheon GPS Signal
The Raytheon GPS's sensor, antenna and receiver's location directly affects its strength. The cable that connects the receiver and sensor must also be installed correctly for the equipment to operate with the least amount of interference. Check these things before going to sea and you will confidently sail with a more reliable signal reception.
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Instructions
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Verify that the GPS sensor is at least 7 feet away from single-side band radios and from the direct path of a radar beam.
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Confirm that the GPS sensor is least 3 feet away from any equipment carrying radio signals. Examples include cables, antennas and VHF radios.
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Verify that the GPS sensor is mounted low and has a horizon-to-horizon clear view.
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Check that a different battery is used to power the GPS unit than is used to start the engine.
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Confirm that the cables used are genuine Raytheon cables and are not cut and rejoined.
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Check that the antenna is stable and mounted horizontally, and also that it's in an area that is clear of buildings that block the antenna unit's line-of-sight reception. Mount the antenna away from masts, search lights and other reception-blocking structures.
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Mount the GPS receiver in an area free of being a tripping hazard or accidentally bumped or walked on.
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Run the connecting cable so that it's hidden from view but in the direct path connecting the GPS display unit and receiver. Isolate the connecting cable away from other cables to strengthen the GPS's signal reception.
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Tips & Warnings
It is not recommended to mount the GPS on the mast of a sailboat. The mast may sway and cause the GPS signal to fade in and out.
The GPS doesn't contain user-serviceable parts. Seek the help of an authorized Raytheon service engineer for replacement parts and installation if necessary.
