Comedy of Errors: A Linux Sonnet
Andrew Thornett
The screen awakens, black with cryptic light,
and I press the wrong key, yet hope it is right.
The cursor blinks, a silent mocking flame,
while guides and forums chant another name.
I type without knowing what I am doing,
each line of code a prayer I half believe.
The disk spins on, the partitions are stewing,
a dance of numbers I can barely weave.
Yet
clarity hides in this forest of commands,
where each mistake becomes a whispered guide;
though trembling, still I stretch uncertain hands,
and stumble forward, nowhere left to hide.
For
I press the wrong key, yet hope it is right—
the dawn of Linux blooms from trial’s night
Mathew George
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Assistant Professor of Physics
Sacred Heart College (Autonomous), Thevara
Mail: mathew...@shcollege.ac.in |
Web: https://mathewgeorge.shcollege.ac.in/ | https://matgeor.github.io/
Kent Gardner
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Bruce Rout
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Stephen Arbogast
Andrew,
Two things,
1. About NanoVNA ..... to understand it you must have a background in complex variables and impedance from EE. Basically it is complex numbers and Eulers's equation.... see https://en.wikipedia.org/wiki/Euler%27s_formula We used Smith Charts back in the early 1970's. I failed my first interview out of school, at Motorola, because I got the Smith Chart wrong. Today NanoVNA does this.
2. About installing Linux which distro are you trying to install? I use Ubuntu ....
Stephen
vNa
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andrew....@googlemail.com
- “complex variables and impedance from EE”…….Urrrhh……yeh…..I’m not sure this phrase is in English but probably it is……all I want to do is display my NanoVNA on a screen for my very basic mini antenna range at EuCARA – I’ve got it on screen so far and NanoVNAsaver is connected to the NanoVNA but I cannot work out how I do SOLT calibration via the NanoVNAsoftware. I have worked out how to display S21 logmag……
- Ubuntu.
Andy
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Stephen Arbogast
You want to reduce loses in the cable between your transmitter and receiver . In Ham radio Standing Wave Ratio is used but what is important is reflected power ..So due to reciprocity theorem it works both ways. You must compensate for stuff you are doing for what you want to accomplish...... kind of like my hip replacement......
Stephen
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Stephen Arbogast
You must calibrate the ports so that the vna will know how to calculate what you are measuring. Lets say you want to know the S11, reflectance at your antenna .. do the short and open cal at your antenna then measure....kind of like my Doc wants me to fast before my blood draw.. to measure some stuff in my blood.
Stephen
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Alex P
Jeremy Waller
This is very easy using NanoVNA-Saver.exe
1. Run the program and make sure your NanoVNA is connected.
2. In the Sweep Control panel set the frequency range. You can obtain
fine resolution (>> 100 points) by setting the number of segments.
2.1 In this panel you access the sweep settings.
3. Calibration
3.1 There is a Calibration button at the bottom ... Press it to open the
Calibration panel
3.2 Have ready your SOLT parts at the ready
3.3 Press the button that says Calibration Assistant and follow the
instructions.
3.4 Finally, save the calibration file for future use.
73's
Jeremy.
On 18/08/2025 08:54, andrew.thornett via Society of Amateur Radio
Jim Sky
Andrew Thornett
Sent: Tuesday, August 19, 2025 6:55:51 am
To: sara...@googlegroups.com <sara...@googlegroups.com>
Subject: Re: [SARA] Comedy of Errors: A Linux Sonnet
Sent: Monday, August 18, 2025 9:21:29 PM
To: andrew.thornett via Society of Amateur Radio Astronomers <sara...@googlegroups.com>
Subject: Re: [SARA] Comedy of Errors: A Linux Sonnet
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Andrew Thornett
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Subject: [SARA] Re: Comedy of Errors: A Linux Sonnet
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Subject: [SARA] Re: Comedy of Errors: A Linux Sonnet