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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/

Eric, When I measure harmonics I always use? well defined high pass filters that suppresses the fundamental by >50db. The commercial spectrum analyzer I use at work lets me input the attenuation of

There is either something wrong with the first switch or with the LNA The new FW detects this and refuses to calibrate -- For more info on the tinySA go to https://tinysa.org/wiki/

Fix: 500Khz range.

When I turn off LNA? I generate CAL out at 30Mhz it work fine . But I turn on LNA look like this. I backed to the old firmware.

After I update firmware tinySA4_v1.4-40-g2f63e1c.dfu Level call it not pass see picture below. Connector work normal

With the latest FW the selftest will do a better check on the LNA -- For more info on the tinySA go to https://tinysa.org/wiki/

Where can this be bought, please, Larry? Not that it's likely to be economic for the UK, though. I did search and find: https://www.thingiverse.com/thing:5768574 but no purchase price. 73, David