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Permalink Reply by Mike Boland on September 29, 2012 at 4:21pm

There are a couple of graph options but the one you want is in the Terminal tab.

Once you have downloaded your log use the "Log Browse" button at the top of the screen.

Scroll through the data until you find 'Sonar Alt' and click the 'Graph this Data' button.

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Permalink Reply by Colin Sadler on September 29, 2012 at 4:31pm

All I have is tlog and rlog files no .log files.  Do you have to load the logs directly from the APM board?

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Permalink Reply by Mike Boland on September 29, 2012 at 5:46pm

Yes, when you download the logs from the APM there will be 3 files created, a .log,  .KMZ, and a .GPX 

The .log is the one with the info for the graph function.

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Permalink Reply by Andy Theimer on November 24, 2012 at 8:34am

I had telemetry connected for my flight and am also looking for the sonar graph to troubleshoot a loiter issue.

Based on what has been said, you can't graph sonar from a tlog file only from a log file downloaded from the APM correct?

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Permalink Reply by Scott Berfield on November 24, 2012 at 9:56am

That's right. You can download the logs from the APM then use the Browse Logs command to look at the data in various ways. If you scroll down the log you'll see a bunch of info about the parameters and such then you'll get to the the various data rows. Click on one of the values in a row and the headers will relabel to show you which is which.

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