开云体育

On Fri, Jan 17, 2020 at 01:11 PM, Oristo wrote:

It could be implemented as a file e.g. in /g/nanovna-users/files
.. but I guess that implies a single FAQ owner/hero (certainly not I).
===============================================
Oristo,

A document file would probably not work for the same reason the Wiki and Files section don't get utilized the way they should, that is there is no hyper-linked TOC that allows members to easily pinpoint the subject matter they are looking for.

I was thinking more of a FAQ page with numbered contents that hyperlink to the appropriate content within the page. That how most OEM sites construct their FAQ pages. I'm not a web page designer so I don't have any idea as to how such a page would be put together but I definitely, along with other members, would be happy to provide and update content. For content that is already available in our Wiki and Files section hyperlinking to that content would not be duplication of effort but more ensuring efficient use of that content and less unnecessary bandwidth in the message section.

You and Larry have contributed so much of your free time to this forum and most members don't realize it. I was hoping someone else with experience designing a FAQ page might step up to the plate with ideas.

- Herb

I think FAQ would be a great idea

I sincerely doubt a FAQ will prove worthwhile, but am willing to be proved wrong..

It could be implemented as a file e.g. in /g/nanovna-users/files
.. but I guess that implies a single FAQ owner/hero (certainly not I).

A FAQ might be created as a Wiki page, e.g. /g/nanovna-users/wiki/FAQ
and linked at/near the top of /g/nanovna-users/wiki
.. then either:
* contain information likely redundant to and/or out of sync with other Wiki content,
effectively doubling Wiki maintenance burden.
* mostly point to information already present (and available using Wiki's search feature, hint, hint)
- requiring FAQ users to click thru, then not necessarily find the wanted information
- much information is in rather long Wiki pages;
linking to content within Wiki pages is a trick that I have yet to sort.

On Fri, Jan 17, 2020 at 11:26 AM, Ray, W4BYG wrote:

NanaoSaver 0.2.2 loads up OK and the VNA boots fine but can't seem to get it to connect.?
===========================================
Ray,
Getting NanoVNA-saver to work on some systems seems to be a topic begging for a FAQ section. The problem happens not only on Windows OS, but judging from the volume of messages the past few days, on the LINUX OS too.

Windows 10 should not require you to install any additional drivers and NanoVNA-saver should automatically detect your NanoVNA, if it is already powered-on when start the NanoVNA-saver executable. If you are running Windows 10 and your NanoVNA is not being detected then the first order of business should be to check your USB cable. If you are sure the cable is not a fault then report back and we can try to help you from there.

If you are running Windows 7 then installation can be more problematic. Of course you want to also verify your USB cable connection, but several users have also reported needing to upgrade to the latest service pack and install the correct 32-bit or 64-bit STM drivers.

- Herb

All you need



--
NanoVNA Wiki: /g/nanovna-users/wiki/home
NanoVNA Files: /g/nanovna-users/files
Erik, PD0EK

Ray, W4BYG wrote:

New NanoVNA user here trying to get it to connect with the software.? I have the .pdf manual but no dice yet.
NanaoSaver 0.2.2 loads up OK and the VNA boots fine but can't seem to get it to connect.? Serial port is defaulting to COM 16.

From that "COM 16" bit, I am going to guess it's on some form of WinBlows. But precisely which version would be a help here...

I'm guessing it's a missing USB driver, and also that you haven't seen the group web site archives which have all kinds of data about loading the appropriate drivers for the communications hardware inside the NanoVNA itself.

Just a guess.

--
wes will
n9kdy

A larger test/ demo board with SMA connectors would also allow component values to be included in the silk screen printing, without readable values I feel? the demo capability is reduced.

John Knott 2E0KNJ

Hi Nick

I've had a few battles on this pc with python and the pip installer so there are probably all sorts of python fragments and debris floating around the hard drive. Still it's probably worth the pain as python does useful things like click the computer SDR waterfall for hf transceiver tuning and now it reads the little VNA.

To answer your question about pip3:

den@den-ThinkPad-T520 ~ $ pip3 --version
pip 19.3.1 from /usr/local/lib/python3.6/dist-packages/pip (python 3.6)

den@den-ThinkPad-T520 ~ $ which pip3
/usr/local/bin/pip3

As for installing the later version of pip3 I started here....

den@den-ThinkPad-T520 ~ $ sudo apt install python3.7 python3-pip
Reading package lists... Done
Building dependency tree
Reading state information... Done
python3-pip is already the newest version (9.0.1-2.3~ubuntu1.18.04.1).
python3.7 is already the newest version (3.7.5-2~18.04).
0 upgraded, 0 newly installed, 0 to remove and 36 not upgraded.

.....and then upgraded as follows.....

den@den-ThinkPad-T520 ~ $ sudo pip3 install --upgrade pip setuptools wheel
The directory '/home/den/.cache/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
The directory '/home/den/.cache/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
Collecting pip
Downloading (1.4MB)
100% |████████████████████████████████| 1.4MB 1.1MB/s
Collecting setuptools
Downloading (583kB)
100% |████████████████████████████████| 593kB 2.1MB/s
Collecting wheel
Downloading
Installing collected packages: pip, setuptools, wheel
Found existing installation: pip 19.0.1
Uninstalling pip-19.0.1:
Successfully uninstalled pip-19.0.1
Found existing installation: setuptools 40.6.3
Uninstalling setuptools-40.6.3:
Successfully uninstalled setuptools-40.6.3
Found existing installation: wheel 0.32.3
Uninstalling wheel-0.32.3:
Successfully uninstalled wheel-0.32.3
Successfully installed pip-19.3.1 setuptools-45.0.0 wheel-0.33.6

.....but to no avail.....

den@den-ThinkPad-T520 ~/nanovna-saver $ sudo python3.7 -m pip install .
The directory '/home/den/.cache/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
The directory '/home/den/.cache/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
Processing /home/den/nanovna-saver
Collecting PyQt5 (from NanoVNASaver==0.2.2)
Downloading (3.2MB)
100% |████████████████████████████████| 3.2MB 350kB/s
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/usr/lib/python3.7/tokenize.py", line 447, in open
buffer = _builtin_open(filename, 'rb')
FileNotFoundError: [Errno 2] No such file or directory: '/tmp/pip-build-qlj3vnhp/PyQt5/setup.py'
Error in sys.excepthook:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/apport_python_hook.py", line 63, in apport_excepthook
from apport.fileutils import likely_packaged, get_recent_crashes
File "/usr/lib/python3/dist-packages/apport/__init__.py", line 5, in <module>
from apport.report import Report
File "/usr/lib/python3/dist-packages/apport/report.py", line 30, in <module>
import apport.fileutils
File "/usr/lib/python3/dist-packages/apport/fileutils.py", line 23, in <module>
from apport.packaging_impl import impl as packaging
File "/usr/lib/python3/dist-packages/apport/packaging_impl.py", line 24, in <module>
import apt
File "/usr/lib/python3/dist-packages/apt/__init__.py", line 23, in <module>
import apt_pkg
ModuleNotFoundError: No module named 'apt_pkg'

Original exception was:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/usr/lib/python3.7/tokenize.py", line 447, in open
buffer = _builtin_open(filename, 'rb')
FileNotFoundError: [Errno 2] No such file or directory: '/tmp/pip-build-qlj3vnhp/PyQt5/setup.py'

----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-qlj3vnhp/PyQt5/

Using sudo with above commands did not help

Thanks again for the hack

73 Denis EI6IF

New NanoVNA user here trying to get it to connect with the software.? I have the .pdf manual but no dice yet.

NanaoSaver 0.2.2 loads up OK and the VNA boots fine but can't seem to get it to connect.? Serial port is defaulting to COM 16.? "Connect to NanoVNA"? returns an indefinite hour glass with no resolve. "Rescan" doesn't help. Manually changing to COM 3 doesn't help. "Rescan" doesn't help. ? "Manage" only reveals it is not connected.? Suggestions as to what I am missing would be appreciated.

--
They say a smart person learns from their mistakes. A
wise person learns from the mistakes of others.

I don’t advice ordering from anywhere else if the extended coverage option is important to you! You have no real guarantee what your gonna get from any other source.

I ordered mine January 3rd using the prescribed Hugen store to make sure I got the 3.4 revision. I used services at privacy.com to create a secure payment method giving me a VISA card alias that is a single use card with a locked maximum purchase price set to the total price for the NanoVNA V3.4 and DHL shipping and used that to complete my purchase. Not long later process was complete, payment completed perfect, the temp VISA card died, my regular bank was billed but NEVER revealed to Alibaba.com

My NanoVNA-H V3.4 arrived yesterday January 16th in West Virginia perfectly intact, well packaged and seems to be working perfectly! It booted up and came on with full battery charge and no perceived issues thus far! I plan to take the guide books both from Kindle Store and the PDF shared in this list and start testing its operations this weekend. Let the fun begin!

This was my birthday present to myself, I think it’s going to be worth it!

73 de Seth - W8FG

I have ordered this week a 4" device at Alibaba and Maggie was very cooperative, I paid with Paypal and she said that the Chinese New Year will not delay the shipment, it's on the way.


Op 17-1-2020 om 19:19 schreef hwalker:

Hello - I think FAQ would be a great idea (the suggestion has appeared occasionally in the past; I think it would be very beneficial).

If I can be of any assistance with configuration adjustments to improve ability to find and access FAQ, please let me know (either e-mail [email protected] or wb0gaz@...)

Dave WB0GAZ (originator of [email protected] and co-owner with Dave KC0WJN)

When buying from AliExpress or Banggood I consider if I need to return the item if it is worth it.

I got a smart $46 watch and it went dead in 5 days. It cost $23.50 to return it on 11/25/19. It still has not arrived and USPS said they can't track it after it leaves the US. Much like the farmer who bought Cotton Candy at the fair. "Gypped again, sweetened air. "

I have had satisfaction on several items received broken or not as described. Got 10 - 18650 LiIon unprotected cells. They were several mm longer as they had PC on the bottom for low voltage and overcharge protection. They would not fit in the device. As I could show in a picture wt. a caliper they were over the 650 mm in length they gave me credit for the order.

If my NanoVNA goes bad in warranty. I will just order an other from an other vendor. Some do offer "free return" but not sure what that means.

73 de KF7SLM, Jim

On Fri, Jan 17, 2020 at 09:05 AM, Larry Rothman wrote:

A number of forum members have 2 or even 3 of the Nano's and I for one have
already modified mine to reduce noise and increase the freq range specs.
my $0.02

Larry,

Would you consider making a separate post detailing what you did to increase the freq range and reduce noise?

Roger

On Fri, Jan 17, 2020 at 09:44 AM, Jerry Gaffke wrote:

Herb,
Actually, two different odd harmonics get used.
From Erik's post of /g/nanovna-users/message/1743

You are explaining well, except the SW uses above 300MHz the 3rd harmonic of one clock and the 5th harmonic
of the other clock to avoid detecting the 3rd harmonic of the mixing product of the 1st harmonics of the clock's
Example 200MHz + 200.00166MHz produce from 1st harmonic 1.66kHz which will include a certain amount of 3rd harmonic at 5kHz.
Using 200MHz + 120.001MHz produces only 5kHz when their 3rd and 5th harmonic combine

Also, the Si5351 is spec'd to operate at up to 225 mhz, anything beyond that is a gift.
Those for which the PLL craps out at 290 mhz are not necessarily from "shady sources".
Perhaps just cut from the outside edge of the wafer, but still perfectly compliant with the spec.
==============================================================

Jerry,
Thanks for adding the additional information. I oversimplified in trying to stay in line with the "over-clocking analogy". I can always depend on other user's like yourself to add to the discussion with more in-depth info. That's what makes this forum a cut above.

- Herb

On Fri, Jan 17, 2020 at 09:51 AM, <nanovnagroup@...> wrote:

" just trying to make a reasonable effort to get the original Hugen unit as for basically the same price his design and build quality is obviously better, and also rightfully deserves the credit and the sale over the others. "
===========================================================

For me the choice comes down to would you pay the same price for a 2019 vehicle versus a 2020 model. hugen is selling his 2020 2.8" NanoVNA-H with version 3.4 PCB for the same price ($50usd) as last year's model. Additionally, he is selling his 2020 4" NanoVNA-4 with version 3.4 PCB for 10 dollars more ($60usd). The changes made to the version 3.4 PCB improve operation out to 1.5 GHz, and Eric (one of our trusted members) has even hinted at possible usefulness to 2.1 GHz.

As Larry replied, currently ordering through hugen's Alibaba store is the only way to ensure you are receiving the latest version. I was initially hesitant about doing so, but Maggie King has been a pleasure to deal with and I had no problems completing transactions using my Paypal account. The only caution I would warn you about is that Chinese New Year is fast approaching and you may encounter shipping delays when ordering from any Asian source in another week or two.

- Herb

I think the vendor really needs to supply a larger PC board with PC mount
SMA female connectors. The larger PC board would even be better for
presentations as it could be more easily seen, The SMA connectors would be
more robust and provide easy connections.

*Clyde K. Spencer*

thank you

The rocker switch has several functions.? It's a menu selector, marker adjuster, and even frequency selector.
The nanoVNA has many 'hidden' functions and it's an adventure to see what happens when you try stuff.
Bob

The answer to that question is a bit of a moving target. As you have probably noted already different users running the same base distro can have different results depending on what dependencies are already on their systems as required by other software they installed. What can be said is that it will work on your system once you have all the dependencies satisfied and you can invoke the right incantations.

73

-Jim
NU0C

On Thu, 16 Jan 2020 11:05:28 -0500
"Pierre Martel" <petem001@...> wrote:

Anyone can report what version and linux distro they are using where
NanoVNA-saver works right away?

Personally, I think you should:
1 - Pay about $10 more and get the H4 version with the 4" display and better RF layout (lower noise) - search hugen's posts for the seller info.
or
2 - Wait for the Version 2 device to come out at _about_ the same price as the H4 (different designer) but with 4" display and 3GHz range. Hopefully it should be out in about a month.