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There is a hook/mouse click "box" in nanosaver to reset any previous cal. Look for it and click it. Dave - W?LEV [email protected]> wrote: -- Dave - W?LEV

Analog Instruments (Phillip Smith's firm) sold expanded Smith charts of 3 kinds: expanded about the center with two magnification factors IIRC, and expanded about the high- and low-impedance areas,

Here's what I have at the moment. I can see that two grid colors are important so let me see how much trouble that is. Brian

Try again...

Here is an example with the display and the captured movement to implement a matching system.

Yes, that is helpful 73 Jeff G8HUL

I see. Displaying both grids simultaneously is easy. Do you also need impedance and admittance values displayed at the same time? The images show what now happens when you click the mouse wheel. Brian

Yes, magnification in particular around the Zo of the chart is quite useful and that is a feature available on several simulators. Conversion from S to mS or even uS is also an automatic process to

The whole point of displaying both impedance and admittance charts simultaneously is that it make visualizing matching much easier. Adding series C moves CCW on the impedance chart, shunt C CW on the

Something else I've wondered about. This is an 820 pF capacitor from 50 MHz to 4 GHz. There's not much to see. Would a magnification function be helpful? Or do people just not worry about detail in

Here's how it looks at the moment. I'm thinking of providing a different background color for admittance, but the grid is so different that I'm not sure that's necessary. Brian

I don't quite follow this. You click on Admittance to plot admittance. Otherwise it plots impedance. The grid and marker annotation change. The curves remain the same. In looking at admittance for

Here is a portion of the immittance chart. Less contour density is still workable. A toggle feature is available on the program I use to assist in clarification.

Yes on mS.

To facilitate matching the 2 charts are overlaid in 2 colors. The immitance chart used red and green and the one I used had less density on contours. Consider the possibility of a toggle between them.

I've got the Smith admittance plot running. I assume people use mS rather than S to avoid tiny numbers. Is that right? Brian

It's a false positive. First of all, download the latest security intelligence update from Microsoft. I just did, and it does not flag the file as a virus. Another way to check is to give the URL

Brian, F.y.i. When I click on the word program on your page https://k6sti.neocities.org/splot.htm then my Windows 10 pc? finds a virus and does not continue to download. 73, Kees PE0CWK Op 29-4-2025

Mark, How is your H4 connected? If a serial USB cable, then COM port number rather than IP address. Device Manager will show the COM ports you have. 73, David GM8ARV -- SatSignal Software - Quality

Did you go through those calibration steps on the application or the Nano? If on the application then you must be connected successfully. You calibrate on the Nano only when you want to use it as a