开云体育

Mine doesn't have any nylon screws.
Brass hex spacers and black steel screws.
Look like M2.

On 24 October 2019 at 20:00 Bear Albrecht <W5VZB.NM@...> wrote:


Who might know the specs on the nylon screws that hold the nanoVNAs
together?
Guessing M2.5, phillips fillister head.

Thanx
W5VZB

Nigel A. Gunn, 1865 El Camino Drive, Xenia, OH 45385-1115, USA. tel +1 937 825 5032
Amateur Radio G8IFF W8IFF and GMRS WRBV701, e-mail nigel@... www

I have 3rd screws from my 3d printer we can try. Ace hardware has a test
plate if you bring one down you can try it there. They may even have longer
ones in stock.

Who might know the specs on the nylon screws that hold the nanoVNAs
together?
Guessing M2.5, phillips fillister head.

Thanx
W5VZB

By popular demand, a dedicated script:

I created bash alias 'nt' for this and no longer bother using a serial terminal.
This allows using bash history to recall commands.
Of course, the same could be done for Windows cmd.exe using a one line batch file..

$ nt trace
0 LOGMAG CH0 15.000000000 7.000000000
1 SMITH CH0 1.000000000 0.000000000
2 POLAR CH1 0.100000001 0.000000000
3 LINEAR CH1 0.200000002 0.000000000
$ nt "recall 2"
$ nt trace
0 LOGMAG CH0 15.000000000 7.000000000
1 SMITH CH0 1.000000000 0.000000000
$ nt sweep
666000 8660000 101
$ nt "recall 3"
$ nt sweep
9800000 114000000 101

Yes I think that is worth consideration.

--
Regards,

Martin - G8JNJ

scanraw delivers uncorrected output of unlimited amount of points including
averaging over multiple points (quicker than averaging multiple scans)

NanoVNA-Q-usb-test.dfu from QRP has scanraw..
/g/nanovna-users/message/5678

alias nv='python nVargs.py'

To duplicate this, use

nVargs.py automagically resumes nanoVNA after commands...

This is because you're using very old firmware.

Thanks to NanoVNA-Q-usb-test.dfu,
I now see non-zero edelay (using magnification for old eyes)

Thanks, QRP -

fixed, try this firmware, let me know if it works

Works for me:
$ alias nv
alias nv='python nVargs.py'
$ nv frequencies > freq.txt
$ nv data > data.txt
$ paste freq.txt data.txt > nanoVNA.s1p
$ cp nanoVNA.s1p ../../GitHub/oristo/altervista/gnuplot/
G:\Gateway\GitHub\oristo\altervista\gnuplot>grep s1p plotsmith.p
replot "nanoVNA.s1p" u 2:3 w l title "USB test 50-900000"
gnuplot> load 'plotsmith.p'

fixed, try this firmware, let me know if it works

you can press PAUSE, then connect usb and Get Data from NanoVNA software:

See here: /g/nanovna-users/message/4870?p=,,,50,0,0,0::Created,,excel+2003,50,2,0,34529124

Nice finding. It really don't works. This is a bug :)

I considered to eliminate one calibration save position to get 2 data storage positions and it will need store/load/live menu commands
Would that work?

If one of the firmware developers make a function for
it, I'll of course support it in the software in a future release. :-)

OK, I'm not sure how to contact them to request this.

Pick a release and try it, e.g.




If latest firmware release does not behave as wanted,
then add an issue, e.g.

On Thu, Oct 24, 2019 at 03:07 PM, Rune Broberg wrote:

If one of the firmware developers make a function for
it, I'll of course support it in the software in a future release. :-)

Hi Rune,

OK, I'm not sure how to contact them to request this.

I'd also like to be able to save stuff to the Nano VNA, as previously discussed, the "data" command downloads data from the nanoVNA to the PC, but there is no reciprocal command to upload data from the PC to the nanoVNA, which would be very useful.

Regards,

Martin - G8JNJ

On Thu, Oct 24, 2019 at 04:38 PM, <lparry1934@...> wrote:

Is it possible to save the S1p and S2P files to be read by RF Touchdown
software or Excel ?
As *.CSV or *.XLS

Yes, to import the file into Excel, select delimited and select space as the delimiting character.

Then save in whatever format you like.

Regards,

Martin - G8JNJ

Is it possible to save the S1p and S2P files to be read by RF Touchdown software or Excel ?
As *.CSV or *.XLS
Les Parry G8AMK

Sorry but wherre can i download this particular version?

Much of this Topic is about:
/g/nanovna-users/message/5445

QRP releases firmware here:

Hi,
Sorry but wherre can i download this particular version?
regards

Oops, Rune is correct:

If one of the firmware developers make a function for it,

USB shell hangs while PAUSE SWEEP is active on touchscreen
before reconnecting USB, so cannot communicate.