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how to separate two GPS signal in one COM Port

The filter I was thinking of would consist of averaging a certain number of readings.  You could also ignore certain points if you know it is not possible that they are correct.  You could determine that by the location of a reading being outside of the travel abilities of your crane.  You could also ignore adjacent readings if the distance moved is not possible within a certain timeframe.  You will truly want to do as much filtering in the Novatel unit as possible.  This is the easiest place to do it.
Message 31 of 60
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I just want to share the reply from the GPS maker,
 
" Even if the antenna is in the stationary mode, the position will still wobble inside the certain accuracy radius. This movement is unpredictable and will not stay on the same point over time. This is due to atmospheric error, orbital error, receiver clock error etc. The spec sheet of each receiver shows the accuracy of horizontal position (CEP) which equivalent to the accuracy radius."
 

For my GPS receiver the accuracy radius is 0.45m. That means the data i am seeing are the update unpredictable data within the 0.45m radius.

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Message 32 of 60
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I was wondering if anyone would mind reposting the llb files that Jason posted in a previous post in LV 7.0?  I can't seem to open them, since they are for 7.1. 
 
I'm just interested in looking over the vi's to see if they can give me further ideas to explore with my own GPS.
 
Thanks...
 
 
Using Labview 7.0 and 2010 SP1 with Windows XP and 7.
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Message 33 of 60
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Hi.
 
I think you are looking for this VI's.
 
regards,
 
bong
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Message 34 of 60
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Here are the others too..
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Message 35 of 60
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And the last one....
 
Have a nice day.
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Message 36 of 60
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Hi Bong,

Can you re-up these one more time in 7.0?  They seem to be 7.1 and I can't open them.

 

Thanks again.

 

 

Using Labview 7.0 and 2010 SP1 with Windows XP and 7.
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Message 37 of 60
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I am up to 8.0 now, but send me an email, and I can send some screen captures for you to look at.
 
jason.h.stallard@cummins.com
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Message 38 of 60
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Hi I'm new to labview. I would like to know if it is possible to add a function to garmin comm.vi such that by pressing a button, a text file will be created with the current time, altitude, latitude and longitude. Thanks
 
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Message 39 of 60
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If you have the current time, altitude, latitude and longitude, simply convert it to string with the format into string function.


Then, use the file I/O functions (Write Text File) to save the string.


You can also use format into file, but it's a bit more complicated.


Regards,


Wiebe.
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Message 40 of 60
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