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Thanks Erik Kaashoek.

Problem Solved! Thanks to all who helped, my problem was Did you install the udev rule? Are you member of the Group "dialout"? I googled Permission denied: '/dev/ttyACM0' and was able to find an

Thanks Erik I assume that leveloffset harmonic is accessible from the console commands? 73 Jeff G8HUL

There is already a default value set to minimize the step when transitioning to harmonic mode but due to manufacturing tolerances this step is not equal for all tinySA Ultra. The uncertainty is

Hi Erik On a similar theme; I do not have a 5,4GHz source, so is there a way of manually entering a cal value so as to smooth out the step at 5.4GHz? I realise that the calibration would not be

Ho-Ro I have no idea, I am new to linux, I am not a member of dialout, I don't even know what it is Thank you for such a quick response Eddie kj4fgi

Did you install the udev rule? Are you member of the Group "dialout"?

Thanks Jim, I did that, the program opens but won't connect to the TinySA. I get this in the terminal window 2023-01-18 02:08:23,923 - TinySASaver.TinySASaver - ERROR - Tried to open /dev/ttyACM0 and

Forgot to mention this wiki entry that explains how calibration above 5.34GHz is done: https://tinysa.org/wiki/pmwiki.php?n=TinySA4.Harmonic -- For more info on the tinySA go to

Simplest is not to enable the LNA and everything will be correct -- For more info on the tinySA go to https://tinysa.org/wiki/

Did you input a 5.34GHz signal between -50 and -10dBm when calibrating above 5.34GHz? -- For more info on the tinySA go to https://tinysa.org/wiki/

I just purchased a tinySA from one of the vendors listed at tinysa.org. When running the "CALIBRATE above 5.34GHz", the test throws a "Signal level too low or not on frequency" error. "CALIBRATE

If I temporarily disable LNA, will all my measurements still be correct?

Sure that would be great. Thanks

Great job, David! That's going to be very helpful. Thank you for all the work that went into it.

I forgot to mention that you can trace the signal through the LNA using a scope -- For more info on the tinySA go to https://tinysa.org/wiki/

The following files and folders have been uploaded to the Files area of the [email protected] group. * /TinySA Ultra Menu-Tree Chart - v1.4-40 - Updated January 16, 2023.vsdx (

You're welcome!? I'm going to post the Visio file in the FILES sections today for those that want to take what I've done and expand upon it.

Mr. Massey, huge thank you for this document. It is of tremendous help. -- *Steve Johnson* *K0OIL*

John. Could that be done as with a second keypad when you enable harmonics measurement asking for the attention of the fundamental? -- For more info on the tinySA go to https://tinysa.org/wiki/