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Posted By Discussion Topic: Car Sat Nav any use on the Broads?

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Car Sat Nav any use on the Broads?| Sat Nav on the broads| Sat Nav| GPS SAT NAV| GPS SAT NAV|

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Siddy
Feb-08-2012 @ 12:14 AM                           Permalink
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I use my Tomtom with maps about a year old and after the update shows the rivers in detail.
I saved water points, broads moorings, other good moorings etc as poi's and can see them ahead.
There is a download of poi's for a another make of satnav in the download section at the bottom of the page.

We're down twice a year as hirer's so it helps.



Siddy

fidear45
Feb-09-2012 @ 12:02 PM                           Permalink
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Sorry to be a bit of a wet blanket but civlian GPS is desgined to not be "that" accurate by design. The military version is of course a different story...

The US gov gives official civilian limits of 7.8m with 95% confidence..on the basic GPS system. Further error is added by the technology you have and location you are in.

I am not sure what Gallileo will be promising though (due out soon)

There my brain just exploded due to techy nerd overload....

Life is too short

M&F

Forum Girly Swot 11.02.2011

Luise
Feb-09-2012 @ 1:02 PM                           Permalink
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“I am not sure what Gallileo will be promising though (due out soon)”

Road pricing sooner rather than later (Galileo’s raison d'être - using American GPS satellites can cause confusion as to whether a vehicle is using a motorway or an adjacent parallel road).

Peter

Strowager
Feb-09-2012 @ 1:15 PM                           Permalink
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"Sorry to be a bit of a wet blanket but civlian GPS is designed to not be "that" accurate by design. The military version is of course a different story...
The US gov gives official civilian limits of 7.8m with 95% confidence."


"7.8metres with 95% confidence"....  "not that accurate" ??


To know your exact position within 26 feet , anywhere on the surface of this planet ??


Coupled with the timing calculations within the GPS that gives a very accurate speed measurement wherever there is a clear all-round view of the sky.


The speed readout on average is far more accurate than most electro-mechanical devices, like car speedometers, and far more accurate than paddlewheel sensors, even in still water.

rojomo
Feb-09-2012 @ 2:19 PM                           Permalink
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Tried using a Garmin satnav a couple of years ago. Below is a photo as we were chugging down from Coltishall to Wroxham. Kept to the river pretty well but the speed jumped around quite a bit.

So you want me to moor stern on here?...in this wind?...and tide?...no probs????


Attached File
View Full Size Image

Dreamweaving
Feb-23-2017 @ 5:43 PM                           Permalink
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My Garmin worked fine... Zoom in on the map and it tells you where you are (i.e. in the middle of the river) and the speed youre going... Loads cheaper than a Marine speedo...



This message was edited by Dreamweaving on Feb-23-17 @ 4:46 PM

Stingers
Feb-23-2017 @ 6:25 PM                           Permalink
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Fidear45: There was a deliberate GPS error introduced by the US military to make GPS devices less useful for a would-be agressor. My understanding is that this 'feature' was disabled a few years ago, giving us greater accuracy these days.

Most of the errors I see these days are due to inaccurate maps, most of which come from the same source.

Andy

Dodger65
Feb-23-2017 @ 7:17 PM                           Permalink
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I have used a hand held Garmin for a good few years
Make your own tracks gives a good speed and you can take it while walking
Plugs into a cig lighter or runs on batteries
Abs brill

Keep That Boating Smile
Dodger65

Marshman
Feb-23-2017 @ 8:52 PM                           Permalink
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Strange that - I can usually see where I am going and where I am by looking through the windscreen!!

Exile
Feb-24-2017 @ 1:07 AM                           Permalink
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You old dinosaur MM!
Why ever would you want to look through your screen at all that drab scenery when you could be looking at one  screen or another? Did you not realise that there are all sorts of pieces of technology out there featuring screens? You could take a phone, an ipad, a tv, a laptop, various and numerous games consoles and now even your sat nav. That way I bet with a bit of effort you could go a whole week without having to even peek out of your boat.
You will of course have to get someone else to suffer the tedious job of having to drive the thing.

It is a good job those sat navs are available. No one could surely navigate the vast waters of Broadland without one.   Evil Grin

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