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29-06-2008, 03:54
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#1
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Registered User
Join Date: Jan 2008
Posts: 8
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VMG on Furuno GP7000
Hi
I am trying to work out how to get Velocity made good on my Furuno GP7000. I cannot find anything in the manual that explains what all of the codes stand for. Does any body know if any of these codes would equate to Velocity Made Good (to a waypoint)?
SOG,COG,STW,HDG,DST,BRG,TRIP,DEPTH,TEMP,HDOP,VDOP, XTE,DRF,SET,WST,WDT,WSA,WDA,DATE,TIME,TTG,ETA,DEST
Thanks
Sam
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29-06-2008, 04:05
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#2
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Moderator Emeritus
Join Date: Mar 2003
Location: Hayes, VA
Boat: Gozzard 36
Posts: 8,700
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Not all devices support all sentences but:
WCV - Way point closure velocity
VTG - track made good
ZTG - UTC & Time to Destination Waypoint
here is a link to read about all of them:
http://vancouver-webpages.com/peter/nmeatype.txt
__________________
Paul Blais
s/v Bright Eyes Gozzard 36
37 15.7 N 76 28.9 W
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29-06-2008, 05:40
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#3
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Registered User
Join Date: Nov 2005
Location: At the intersection of here & there
Boat: 47' Olympic Adventure
Posts: 4,892
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Near as I can guess Speed Over Ground (SOG) is what you're looking for. The others are (best guess?):
COG - course over ground,
STW -?,
HDG - heading,
DST - distance or daylight savings time,
BRG - bearing,
TRIP - trip distance,
DEPTH - depth,
TEMP - temperature,
HDOP - horizontal dilution of position,
VDOP - vertical " " ",
XTE - cross-track error,
DRF - drift?,
SET - set?,
WST,WDT,WSA,WDA - ? but maybe has something to do with waypoints,
DATE -date,
TIME -time,
TTG - time to go,
ETA - estimated time of arrival,
DEST - destination?
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29-06-2008, 20:09
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#4
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Registered User
Join Date: Sep 2007
Location: Colombo
Posts: 1,059
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The WCV and RMB strings both include velocity to waypoint in knots ie includes for current, leeway, etc.
Your Furuno transmits both these sentences (as $GPWCV and $GPRMB).
John
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29-06-2008, 21:13
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#5
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Registered User
Join Date: Sep 2007
Location: Colombo
Posts: 1,059
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On rereading your question it is perhaps not clear if you want to know how to display velocity to destination/waypoint or whether it is put on the NMEA bus for other displays to use (which as in my last post, it does do). On reflection I suspect you may want to work out how to display it.
If so, all I can suggest until someone who has one of the units in front of them comes along, is open up the Navigation Data Display window and go through the options to see what is displayed in the window each time, trying the most obvious ones first to see all the parameters that are displayed in that window choice (ETA, DEST perhaps, assuming the other parameters change as well in the window to give info related to the ETA or DEST, for example? The manual I have has a misprint in it so is not clear on that) but you've probably done that already .
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