Cruisers Forum

Join CruisersForum Today

Thread Tools Rate Thread Display Modes
Old 14-02-2014, 12:16   #31
Dockhead's Avatar

Cruisers Forum Supporter

Join Date: Mar 2009
Location: [S]Hamble (Spring and Fall)[/S], Cowes (Winter), Baltic (Summer) (the boat!); somewhere in the air (me!)
Boat: Cutter-Rigged Moody 54
Posts: 16,423
Originally Posted by Paul Elliott View Post

The Ground Wind calculations should also include Heading because, due to leeway, the boat isn't usually pointed in the exact same direction as COG. AWA is relative to the bow, so this will make a difference when calculating Ground Wind. I don't know how many instruments do this, but, for example, NavMonPc (my free program) does this.

For selection among multiple GPS sources, some NMEA multiplexers (ShipModul, for one) will let you select a primary source and a backup. NavMonPc also does this.

I've installed GPS antennas / receivers under the fiberglass deck, and they have worked well. Given the option, I would prefer to have the GPS outside in the clear.
Good point about leeway!

My network is N2K and I have so far been unable to configure a failover from the GPS built into the helm plotter, to the GPS built into my AIS black box. Although I have no trouble configuring the AIS unit as primary position data source.

I guess it won't matter after I acquire the new GPS.

Dockhead is online now   Reply With Quote

deck, gps

Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Our Communities

Our communities encompass many different hobbies and interests, but each one is built on friendly, intelligent membership.

» More about our Communities

Automotive Communities

Our Automotive communities encompass many different makes and models. From U.S. domestics to European Saloons.

» More about our Automotive Communities

Marine Communities

Our Marine websites focus on Cruising and Sailing Vessels, including forums and the largest cruising Wiki project on the web today.

» More about our Marine Communities

Copyright 2002-2015 Social Knowledge, LLC All Rights Reserved.

All times are GMT -7. The time now is 03:19.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2016, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2016, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.