Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.debian.user > #241617

Re: drawing smith charts

Show all headers | View raw

On Sat, Oct 23, 2021 at 04:58:30AM -0400, Gene Heskett wrote:
> Greetings;
> 
> One of the things I occasionally do is service my local AM radio station 
> when its off the air. This includes trying to keep the VSWR under 
> control.
> 
> I have a redpitaya Vector Network Analyser that I use to tune the tower, 
> and it gives me the tuning state in the form of a smith chart. But while 
> it claims to run with a linux system as the display, it doesn't, so I 
> had to buy a cheap all-in-one with win 10 home edition on it. Works 
> great but is a pita to setup and get started. The windows driver is also 
> about 50x the size of the linux driver that doesn't work. 
> 
> What can I install to a buster machine that might make this graphical 
> display work?  We had, a decade back, a something or other "plot" that 
> might have been able to draw a smith chart but I haven't seen it in the 
> repos recently. It also was a square plotter, whereas the smith chart is 
> circular at its maximum error limits.

Python3-scikit-rf looks promising to plot the data.

Debian electronics / Debian ham teams might have some good ideas

apt-cache search Smith threw this up

There's also various gnuplot / octave plots that might work.

Hope this helps

All best, as ever,

Andy Cater
> 
> Can anyone suggest a linux substitute?
> 
> Cheers, Gene Heskett.
> -- 
> "There are four boxes to be used in defense of liberty:
>  soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author, 1940)
> If we desire respect for the law, we must first make the law respectable.
>  - Louis D. Brandeis
> Genes Web page <http://geneslinuxbox.net:6309/gene>
> 

Back to linux.debian.user | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

drawing smith charts Gene Heskett <gheskett@shentel.net> - 2021-10-23 11:00 +0200
  Re: drawing smith charts didier gaumet <didier.gaumet@gmail.com> - 2021-10-23 12:00 +0200
    Re: drawing smith charts Gene Heskett <gheskett@shentel.net> - 2021-10-23 18:10 +0200
  Re: drawing smith charts "Andrew M.A. Cater" <amacater@einval.com> - 2021-10-23 12:10 +0200
    Re: drawing smith charts Gene Heskett <gheskett@shentel.net> - 2021-10-23 19:00 +0200

csiph-web