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Serial Port Data Recording

I'm recording data through the serial port at 115.2 kbps and saves it to a
file. When I open the file in another program and display it on a Waveform
Chart, the data seems to get compressed over time. My recording program consists
of a Serial Port Init, a Serial Port Read and a Write Characters to file
while the analysis program uses Read File and some Array VI:s to extract
the data.

I believe that the problem is in the recording program, because the analysis
seems to work fine with files recorded by a C-program.

Does anyone recognize this problem or have a clue what the problem could
be?

TIA

Mattias
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