Re: Improving the performance of a pre-V3.4 original Hugen nanoVNA
I'm in no rush to mod mine.? It seems to work fairly well, so I'm going to wait until others have tried the various mods and figured out what works and what doesn't.? Years ago, an employer of mine
By
Jim Allyn - N7JA
·
#10018
·
|
Re: Review of NanoVNA-H4
#nanovna-h4
Hi Herb - You may be able to capture screens by modifying https://oristopo.github.io/nVhelp/html/screenV.py Specifically, replace 320 and 240 at lines 46 and 73 with pixel dimensions of NanoVNA-H4
By
Oristo
·
#10017
·
|
Re: Review of NanoVNA-H4
#nanovna-h4
" I always assume operator error before submitting a software issue." More importantly, just one measurement is not a measurement. My ePacket has already moved on, I hope to get here next week. 73,
By
Gyula Molnar
·
#10016
·
|
Re: Review of NanoVNA-H4
#nanovna-h4
Herb, Excellent report. Thanks for taking the time to write this up... Roger
By
Roger Need
·
#10015
·
|
Re: Improving the performance of a pre-V3.4 original Hugen nanoVNA
Thank you Erik. I have ordered the original and yours 1% resistors. Now waiting... :-) 73!
By
Andy UA3RAW
·
#10014
·
|
Re: Improving the performance of a pre-V3.4 original Hugen nanoVNA
Use the original. I only used other values because I did not have the original -- NanoVNA Wiki: /g/nanovna-users/wiki/home NanoVNA Files: /g/nanovna-users/files Erik,
By
Erik Kaashoek
·
#10013
·
|
Review of NanoVNA-H4
#nanovna-h4
A number of members have annouced the arrival of their 4" NanoVNA-H4. Mine came in today. I ordered the NanoVNA-H4 ($60usd) from hugen's Alibaba store plus $15 DHL express shipping. It arrived in a
By
hwalker
·
#10012
·
|
Re: Improving the performance of a pre-V3.4 original Hugen nanoVNA
Hello, dear friends! I have a dilemma, which one of the CH1 modifications to apply? :) The original, as on rev.3.4.1 schematic. R22, R23=51Ohm, R24=91 Ohm, R25=11 Ohm. Or suggested by Erik PD0EK. R22,
By
Andy UA3RAW
·
#10011
·
|
Re: *** FIX FOR NANOVNA-SAVER PYQT5 INSTALLATION PROBLEMS ON LINUX MINT 19.3 ***
#nanovna-saver
One more work-around for 32-bit Ubuntu (or Lubuntu, etc) version 18.04. I found that the only incompatibility for using Python 3.6 (not requiring 3.7) seems to be the nanoVNA-saver file, SITools.py,
By
Bob Larkin
·
#10010
·
|
A Capsule Summary of Nonfictional VNA Measurements
Hello, Allow us, please, to present a Capsule Summary of the Crystal Clear Nature of the Scientific Nonfictional VNA Measurements. Well, we bought a VNA with 3 standard loads, which their manufacturer
By
gin&pez@arg
·
#10009
·
|
Re: the nano android app issues
It uses Android's WebViewClient API to reuse code from his web app.
By
Oristo
·
#10008
·
|
Re: Replacing the USB-C socket with a USB cable or Type-A socket
#repair
#mods
#fix
#usb
One can use a cable but I will attach the adapter to the baseplate bracket which holds my BNC to SMA adapters. I wonder if they make a USB C male to USB C female adapter or short cable. Mike N2MS
By
Mike N2MS
·
#10007
·
|
Re: *** FIX FOR NANOVNA-SAVER PYQT5 INSTALLATION PROBLEMS ON LINUX MINT 19.3 ***
#nanovna-saver
Nick, thanks for the work on getting the proper PyQt5 and the great write-up. Echoing Ed, I was fully successful with this on Ubuntu 18.04 64-bit. Not so on a 32-bit PC with 18.04. While installing
By
Bob Larkin
·
#10006
·
|
Re: Replacing the USB-C socket with a USB cable or Type-A socket
#repair
#mods
#fix
#usb
I don't see how those relieve any stress.? If I were doing that, I'd use a cable, which adds very little mass to the connector.? Then for improvement, tie or glue the cable to the nano so there is
By
Bob Albert <bob91343@...>
·
#10005
·
|
Re: the nano android app issues
Create an enhancement request on cho45's github repo for the webclient to add markers. (I don't know why he calls the Android app a 'web' client).
By
Larry Rothman
·
#10004
·
|
Re: the nano android app issues
Well i sorted this by flashing a custom rom to the lenovo tab,it now works but would be nice to have a marker on screen when doing a sweep on the frequency display screen,i get a trace but no marker
By
Paul M3VUV
·
#10003
·
|
Re: Replacing the USB-C socket with a USB cable or Type-A socket
#repair
#mods
#fix
#usb
I received my nanaVNA-H4 analyzer so the nanoVNA-H will be dedicated to bench work with my laptop. I will use these USB-C to USB-A adapters to take the stress off of the board mounted USB-C
By
Mike N2MS
·
#10002
·
|
Re: RF Demo Kit Testing tutorial released
I have now added some *pictures* to make it easier to connect the little *U.FL* plugs. To make a connection with the U.FL coax plug, use a 3 mm wide screw driver to push down while holding with the
By
Rudi
·
#10001
·
|
Re: Calibration standards
Hi Kurt, I am not worried about linking. My comments were just for members that upload to the forum's FILES section as it appears Groups.io like to sub %20 for filename spaces. Thanks, Larry
By
Larry Rothman
·
#10000
·
|
Re: Calibration standards
Thanks. That should help. *Clyde K. Spencer*
By
Clyde Spencer
·
#9999
·
|