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Raymarine forum / Raymarine Forums / Multifunction Displays v / COG bounce/ erratic

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COG bounce/ erratic
06-14-17, 11:25 PM
Post: #1
TomHalfmoon Offline
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COG bounce/ erratic
Our recently purchased trawler came equipped with RM E120 and E80, AutoPilot and Radar plus Brookhouse MUX and AIS.

The RM GPS antenna failed and I have replaced it with a suitable non-RM antenna. All appears to function normally except that the COG is erratic.''I have verified that the GPS sentence for SOG & COG is correct and consistent.

I switched everything ON except the Autopilot, so no head displayed. While underway the COG was rock solid and accurate.

Any thoughts on why the AP / heading would disrupt COG??

Thank
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Messages In This Thread
COG bounce/ erratic - TomHalfmoon - 06-14-17 11:25 PM
RE: COG bounce/ erratic - TomHalfmoon - 06-16-17, 01:55 PM
RE: COG bounce/ erratic - TomHalfmoon - 07-05-17, 02:00 PM

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