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Go Back   SailNet Community > General Interest > General Discussion (sailing related) > Charting a course
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Thread: Charting a course Reply to Thread
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Topic Review (Newest First)
06-30-2014 11:52 AM
christian.hess
Re: Charting a course

I have always(well a while back now) done it with waypoints every certain distance.

you have a destination waypoint and a starting waypoint.

I never use a track function because like jon and capta says you sail by wind and current direction. so its futile to try to go down the highway mentality.

Usually I would add waypoints based on islands or shoals, or shallow areas, or places that I would tack over on another course.

All I need is a chart and a gps...a pencil, some parallel rulers and a protractor.

But I like sailing though, jajajaja
06-30-2014 11:45 AM
JonEisberg
Re: Charting a course

Quote:
Originally Posted by capta View Post
I don't use routes on my GPS. I have way points in it that I can make my target destination, (or several, one after the other), but I've rarely found the weather and currents allow me to sail a route as planned, unless I'm motoring or motor sailing.
Agreed... I rate the 'Route Mentality', and the use of the Track mode to have autopilots steer to the next waypoint, as one of the primary contributing factors to sailors sailing less, and motoring more...

Sail the boat to the wind and current, leave that stuff to the Sea Ray drivers... :-)
06-30-2014 02:18 AM
capta
Re: Charting a course

I don't use routes on my GPS. I have way points in it that I can make my target destination, (or several, one after the other), but I've rarely found the weather and currents allow me to sail a route as planned, unless I'm motoring or motor sailing.
10-06-2013 10:49 PM
TakeFive
Re: Charting a course

Quote:
Originally Posted by ltgoshen View Post
...The Garmin 215 is an older unit. And the GPS 78 dont even have a map capability.
Check the Garmin website. It's exactly as I said before:

Quote:
Explore

GPSMAP 78 comes with built-in worldwide basemap, so you can navigate anywhere with ease...

Add Maps

Adding more maps is easy with our wide array of detailed marine, topographic and road maps, available on microSD card. Conveniently plug in BlueChart® g2 preloaded cards for a great day on the water or City Navigator NT® map data for turn-by-turn routing on roads (see maps tab for compatible maps). The card slot is located inside the waterproof battery compartment, so you don't have to worry about getting it wet.
The 78 is a current model that Garmin still makes, and sells for $249. Like most of Garmin's marine GPSs sold today, you need to buy the charts separately.
10-06-2013 10:30 PM
ltgoshen
Re: Charting a course

I use Active captain as well. It is a great tool for me to use to review in my mind befor I go sailing. I don't yet have a good understanding of the GPS on this boat. Still learning how to use it. I thank you for your help. I Would like to make sure I have what I need on this boat.
From my looking on the net this weekend, The Garmin 215 is an older unit. And the GPS 78 dont even have a map capability.
.
10-06-2013 01:21 PM
TakeFive
Re: Charting a course

Quote:
Originally Posted by Delezynski View Post
...I then plot the route with many way points to our first destination. This is normally a days sail away in closed in water, or for open water overnight trips. Then, once at anchor we rest and I then plot the next days trip the evening before we depart. It's a relaxing exercise for me and the next trip is fresh in this old mind...
Pretty much what I do when we charter for a week. We decide the next day's destination while having dinner, and I plot the next day's route before going to bed.
10-06-2013 11:05 AM
Delezynski
Re: Charting a course

I guess we approach this differently on Guenevere than most of the posters.

We normally cruise full time, or for months at a time so we are not in a hurry to get something into our plotter.

What we do is have a final destination in mind. Knowing that it might change along the way.

I then plot the route with many way points to our first destination. This is normally a days sail away in closed in water, or for open water overnight trips. Then, once at anchor we rest and I then plot the next days trip the evening before we depart. It's a relaxing exercise for me and the next trip is fresh in this old mind.

I do LOVE OpenCPN and keep it handy on a new tablet handy below. I am also excited about the Active Captain and especially the Interactive Cruising Guidebook feature!!! I am using it now to do some rough planning for our next cruise.

Greg
10-06-2013 10:29 AM
TakeFive
Re: Charting a course

Quote:
Originally Posted by ltgoshen View Post
My GPS 78
has no maps on it ?
I need a new one just need to bite the bullet and do it...
Maybe you just need to buy a Bluechart chip.

I believe that Garmin's model numbers require a letter after the number to designate a built in chart. 78c has marine charts, 78t would have topo map, etc. If it has no letter, it only has a low-res base map, and you need to buy one of their Bluechart chips to have the built-in chart.

Don't go throwing away your 78 - it might be cheaper to buy the chip.
10-06-2013 10:18 AM
ltgoshen
Re: Charting a course

My GPS 78
has no maps on it ?
I need a new one just need to bite the bullet and do it...
10-04-2013 01:50 PM
TakeFive
Re: Charting a course

I do this all the time, and once you figure it out, it's easy to use a computer plotter for planning, and then transfer it into a handheld for use on the boat.

One of the benefits of using a computer program is you can download NOAA raster charts for free. The raster charts are just scans of the paper charts, and are the same files that most printers use to make on-demand charts for you. Since you're plotting with the exact same chart you'd have if you used paper, it gives you a "second opinion" vs. the electronic chart in your GPS. When you transfer the route to your GPS and see it over the electronic chart, you have added confidence knowing that the route was plotted against the actual NOAA chart.

I've used most of the programs mentioned above, but IMO the one that is by far the best of the freebies is OpenCPN (which was not mentioned above). You can plot routes, save them, change them, transfer them, etc.

My Garmin handheld GPS will record your track even if you have not plotted a course. I keep it on all the time even if I'm not using it, just so I can check where I've been.
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