GPS Wizards
10-09-2006, 09:57 AM
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GPS Wizards
Hello,
I just purchased a Standard Horizon CP155C for a new boat - last one had the CP155 (B&W). I transferred the NT+ cartridge to the new unit. My boat is located in Tarpon Springs, FL. When using the CP155, all plotting was correct. In the new unit, though, it shows my fix appox. 15 miles to the NW. This is just sitting at my marina - so I have not had the boat in motion, but should that matter? This newer plotter is MAX-WAAS capable and my chip is 2004 about 3 revs back, but shouldn't it still work? I am wondering if I am getting GPS antenna interference. The chartplotter gets strong signal, but there is a Livorsi GPS speedo antenna right next to it. Should that matter? The antenna for the new unit is much bigger than the last one too.
Thank you
I just purchased a Standard Horizon CP155C for a new boat - last one had the CP155 (B&W). I transferred the NT+ cartridge to the new unit. My boat is located in Tarpon Springs, FL. When using the CP155, all plotting was correct. In the new unit, though, it shows my fix appox. 15 miles to the NW. This is just sitting at my marina - so I have not had the boat in motion, but should that matter? This newer plotter is MAX-WAAS capable and my chip is 2004 about 3 revs back, but shouldn't it still work? I am wondering if I am getting GPS antenna interference. The chartplotter gets strong signal, but there is a Livorsi GPS speedo antenna right next to it. Should that matter? The antenna for the new unit is much bigger than the last one too.
Thank you
