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Old 26-02-2021, 20:54   #46
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Re: Advice requested re: navigation apps

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Huh? We routinely use above 50 deg N (BC north coast)... latitude is not an issue at 50-55 degrees N for these charts/programs.
That's great but which ever system I use there's still a lot of continent in my way if I'm heading to BC. I'm thinking that will show up on all of the systems. Labrador isn't as well represented. It appears that when data was compiled from the original charts it was not well correlated with the GPS and you'll find oftentimes it appears as though you are drifting through the hills.
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Old 27-02-2021, 07:30   #47
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Re: Advice requested re: navigation apps

That used to be a real problem here in BC (in the north), but CHS seems to have corrected things.

FYI, there are tons of new depth soundings for Labrador, available as unofficial not-for-navigation "NONNA10" data on the CHS Data Portal. I am using these for poorly charted regions of BC, with Paul Higgin's Sat2chart.
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Old 27-02-2021, 09:52   #48
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Re: Advice requested re: navigation apps

You guys are making me intensely jealous with your Labrador sailing. I worked up there for about a year, and it is some of the most gorgeous coastline I've ever seen. If you need crew for a cruise up there let me know!
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Old 01-03-2021, 06:27   #49
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Re: Advice requested re: navigation apps

I use iSailGPS on my iPhone - great for the sailing we do.
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Old 01-03-2021, 07:10   #50
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Re: Advice requested re: navigation apps

I've been using OpenCPN on a small laptop with NOAA charts for the US east coast and NV charts for the Bahamas, and plan to continue with OpenCPN as a secondary system. My PRIMARY nav system now is Aqua Map, due to the incorporation of Waterway Guide Online markers and info, Active Captain markers and info, and US Army Corps of Engineers datum for the ICW. Aqua Map also has Explorer Charts for the Bahamas available, and their chart bundles are reasonably priced.
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Old 01-03-2021, 08:01   #51
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Re: Advice requested re: navigation apps

I use iNavX mainly, but if you want to try a free one that is in the works, download Argo Nav. It seems to work fine.
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Old 01-03-2021, 09:06   #52
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Re: Advice requested re: navigation apps

I use AquaMap on my tablet and OpenCPN on my laptop. AquaMap has good mapping and combined with the satellite view, it is very helpful. Plus you can have the ActiveCaptain and Waterway detail. Very helpful for route planning or last minutes plan changes.

I think OpenCPN is fantastic. Easy to use, excellent map options. I canít believe itís a free app. I use it to create all of my routes and use the export feature to transfer the completed routes to my Chartplotter (Garmin). Route planning and creation really could not be easier. I spend a tenth of the time creating routes compared to when I did it on paper charts, and later on, transferring coordinates to a handheld GPS.

However I still keep paper charts as backup and plan a route now and then to keep that skill honed.
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Old 01-03-2021, 10:31   #53
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Re: Advice requested re: navigation apps

We've been using Navionics during the past several years for cruising in Maine and Maritime Canada, and have had no problems with accuracy of soundings. Given that some areas of Newfoundland have not been re-surveyed in a very long time, we generally compare the Navionics charts on the chartplotter to the rastor charts on on our laptop Open CPN program (we purchased these charts from the Canadian Government) if we are at all doubtful. In these areas we also overlay radar on the Navionics charts to assure accuracy for navigation. In addition, we also carry paper charts, and use them frequently for course planning.




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Old 01-03-2021, 12:11   #54
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Re: Advice requested re: navigation apps

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Appreciate you checking in, iNavX
Sure thing.

BTW, the AIS Live service is $99.99/year.

But I just heard that this month it's on sale for $74.99 for anyone interested.
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Old 01-03-2021, 12:22   #55
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Re: Advice requested re: navigation apps

Not a navionics fan. Don't like the interface. Use iSailor, which also has AIS plugin.
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Old 01-03-2021, 13:33   #56
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Re: Advice requested re: navigation apps

I've used MacENC on my Mac since 2006, and am really happy to see that is has been brought back to life with a recent update. https://www.navstation.net

I want to like OpenCPN, but it handles routes horribly and communicates poorly with my Garmin chartplotter.

I take my iPhone out of my pocket and launch Navionics when in tight quarters.

Those who use any kind of auto-routing features should rethink their approach to sailing.
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Old 01-03-2021, 14:18   #57
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Re: Advice requested re: navigation apps

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We've been using Navionics during the past several years for cruising in Maine and Maritime Canada, and have had no problems with accuracy of soundings. Given that some areas of Newfoundland have not been re-surveyed in a very long time, we generally compare the Navionics charts on the chartplotter to the rastor charts on on our laptop Open CPN program (we purchased these charts from the Canadian Government) if we are at all doubtful. In these areas we also overlay radar on the Navionics charts to assure accuracy for navigation. In addition, we also carry paper charts, and use them frequently for course planning.




Regards,
Bob S
Actually, they have been recently (re) surveyed. Just not yet out on official charts (or resellers such as Navionics. These "non-navigational" NONNA10 depth data are available:

https://data.chs-shc.ca/login

Useful/useable for OpenCPN (via Sat2chart) but not for apps such as Navionics, etc.

https://www.gdayii.ca/Downloads/Sat2Chart.V12.0.1.0.exe
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Old 02-03-2021, 05:44   #58
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Re: Advice requested re: navigation apps

While Navionics is great for some things (detailed sonar for less popular areas, active captain reviews, Canadian charts included), it is not my preference for navigation (I use OpenCPN on Android) because

1) No VMG. For sailors, VMG is useful.
2) While it reads from my NMEA network, I have not been able to get it to send navigation data to my B&G MFDs in the cockpit.
3) OpenCPN let's me download a few days of wind maps, which Navionics doesn't do AFAIK.
4) I too sometimes prefer the raster scan charts.

So I have both Navionics and OpenCPN.
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Old 02-03-2021, 11:41   #59
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Re: Advice requested re: navigation apps

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Another thing about Navionics is the sounding data appears to be much more detailed than the official charts. Where did they get that more detailed info that as far as I know doesn't exist? I don't think they went out and resurveyed the world. I don't trust it.
The additional sounding data is derived from the community edit function. If your boat is properly set up and you have set up the Navionics program on your plotter to allow community edits, it will upload the sonar information from your boat and add that data to all the other boats that have done the same, and that way it slowly builds up a picture of the seafloor from all the boat data combined (won't just use one boats data for obvious reasons) I personally think it is a great idea and probably the way forward, but I expect there will always be naysayers (luddites) who will disagree
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Old 02-03-2021, 11:48   #60
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I use Nimble Navigator on my Asus Notebook and have been for 8yrs and it's guided me across the Pacific, Atlantic, Med and Sea of Marmaris.. easy to use, CM93 charts and updates from time to time as they become available.
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