Gps and Oziexplorer Moving Map

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Post  Kudu on Fri Jan 15, 2010 10:14 am

I hope that someone can help me out here.

I have a netbook and Garmin e-trex Legend GPS. When I download my waypoints onto my computer they all appear on the correct position on the map. (In Oziexplorer that is.)
However, when I switch on my Moving Map, the cursor (red arrow) of the moving map appears in the wrong position. How do I fix this.

I have been the configuration a hundred times, compared it with the ones of friends and still can't get it right. I am sure that I am missing a simple setting somewhere!

Any help from the Gurus?

Best

Kudu
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Post  Nightjar on Fri Jan 15, 2010 11:06 am

Morning Kudu,
If I am understanding what you are saying, the moving map curser it not showing your current position?
If you have at least 3 satellites locked in your position should automatically show?
I have sent your query to (Ted- Topcat) no doubt he will sort it for you.

Cheers
Peter
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Post  Kudu on Fri Jan 15, 2010 11:18 am

Thanks Peter

Yes, the position (arrow) appears immediately, but it does not show my correct position. It should show you the current position of the GPS but mine shows me at a position about 50km away.

Best

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Post  Topcat on Fri Jan 15, 2010 1:02 pm

Hi Kudu,
When you first start the moving map in OziExplorer with your GPS connected, you should see at the bottom left
of the screen 2 little round dot indicators which will blink on & off. If this is happening then the data transfer is OK.
When this happens OziExplorer looks for a map to display where your position is & the map is seen on the screen.
I assume you have all your relevant maps files in the OziExplorer 'Map' directory & that you have locked the
'Map Find/Searching to Current Map Path' option on the main OziExplorer Toolbar.(The one with the 4 arrows).
One possible reason is the data transfer from your GPS to OziExplorer is not at the compatible baud rate,
causing the slowing down of the transfer to the map.
In OziExplorer configeration under 'COM' option check the 'Upload/Download Baud Rate' & 'NMEA Baud Rate'
with that of your GPS, they should be the same - preferably 9600.
If they are not the same then this could possibly cause the problem.
Also under the 'Moving Map' option check that the'Always Check For A More Detailed Map' box is ticked &
I have my 'Check Interval' set to 120secs.
Sometimes if the map is not regularly updated it tends to freeze in one position so your cursor stops moving.
One other possibility is your map calibration is incorrect so I would check this also by using the 'Check Calibration
of Map' option in the 'File' section.

Hope this helps.

Cheers

Ted


Last edited by Topcat on Fri Jan 15, 2010 1:14 pm; edited 2 times in total (Reason for editing : Added more info.)
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Post  Kudu on Fri Jan 15, 2010 2:04 pm

Hi Topcat

Thanks for the reply. Send you a PM.

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Gps and Oziexplorer Moving Map Empty Datum

Post  Detrackozi on Fri Jan 15, 2010 8:08 pm

Kudu

I hope Ted sorted you out.

If your arrow is on your map then moving map is working.

to me I would say your Datum on your GPS WGS84 is not the same as you have in Ozi/configuration/GPS

GPS upload/Download Datum
WGS 84

GPS NMEA Output Datum
WGS 84

Just check


Last edited by Detrackozi on Sat Jan 16, 2010 6:35 pm; edited 1 time in total
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Post  Topcat on Fri Jan 15, 2010 10:45 pm

Hi David,

That was one other possibily that I forgot about. Good pick-up.

Cheers

Ted
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Post  Kudu on Sat Jan 16, 2010 9:12 am

Thanks Guys

All my datums is WGS 84 (on Ozi and GPS).

It seems that something must be wrong with Moving Map because if I download my waypoints from the gps, it appears in the correct positions. However, when I switch on Moving Map, the arrow is not in the current GPS position on the map.

There can't be something wrong with the maps as the waypoints are correct. My friend's pc,gps and moving map works perfectly and he got the maps from me.

This is making me old!

Best

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Post  Detrackozi on Sat Jan 16, 2010 6:34 pm

Kudu

can you post a snap shot showing how far off the track it is for us

Now for a test change all your GPS Datum setting to Aus66 then see if you arrow is till tracking in the same position or has it moved.

To me I still feel you have a difference with the Datum between the two units
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Post  geof_junk on Sat Jan 16, 2010 6:46 pm

It appears to me that your GPS is not locked into the sat's you are not inside are you.
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Post  Detrackozi on Sat Jan 16, 2010 7:29 pm

Kudu

We hope you are doing this with a GPS fix and that you are outside with it in your car ready for moving map .

Here you will see on the first image with the GPS set at WGS84 on the picture and on the second picture you will see were the aus66 is from the WGS84, does this happan when you change your Datum on your GPS

Gps and Oziexplorer Moving Map WGS84

Gps and Oziexplorer Moving Map Aus66
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