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Re: Using a nanoVNA as a passive receiver
Good Morning, Yes, the tinySA has computer control application: https://tinysa.org/wiki/pmwiki.php?n=Main.PCSW Larry AC9OX
By Larry McElhiney · #28640 ·
Re: Using a nanoVNA as a passive receiver
If you have a Pluto (possibly RTL-SDR): https://www.albfer.com/en/2021/01/31/satsagen-0-5/ For the RTL and others: https://github.com/pavels/spektrum 73, David GM8ARV -- SatSignal Software - Quality
By David J Taylor · #28639 ·
Re: Using a nanoVNA as a passive receiver
A similar device is the rf explorer.. And THAT can be driven from pc Or just use an rtl dongle From nuts about nets there is a free soft that was mainly made for the explorer but can also drive an rtl
By Siegfried Jackstien · #28638 ·
Re: Usinf the NanoVNA-H4 to identify ferrite cores
Read this one. I've gone the path :-) https://pa3a.nl/wp-content/uploads/2022/02/Measurements-With-The-NanoVNA-Part-4-Measuring-the-characteristics-of-unknown-toroids-and-identifying-them.pdf 73 Arie
By Arie Kleingeld PA3A · #28637 ·
Re: Using a nanoVNA as a passive receiver
Hello Evan Main wrote: A better tool is the TinySA. Is there software like nanovna-saver that can drive this TinySA from a PC?
By F1AMM <18471@...> · #28636 ·
Re: nanovna-saver/displayed charts/S11 R/¦Ø & X/¦Ø (?? / Hz)
Hello Regarding my initial question "S11 R/¦Ø & X/¦Ø (?¦¸ / Hz)" I contacted F4HTQ directly, who answered me, but I don't have the technical answer yet. I restored the various formulas allowing to
By F1AMM <18471@...> · #28635 ·
Re: Usinf the NanoVNA-H4 to identify ferrite cores
Please see the attachments as well. If one wants to test a single ferrite toroid with no windings, I have a 1/4-inch rod that fits between the alligator clips with the toroid in place. [image:
By W0LEV · #28634 ·
Re: Usinf the NanoVNA-H4 to identify ferrite cores
Anyone have a photo of their Ferrite text fixture? 73, and thanks, Dave (NK7Z) https://www.nk7z.net ARRL Volunteer Examiner ARRL Technical Specialist, RFI ARRL Asst. Director, NW Division, Technical
By Dave (NK7Z) · #28633 ·
Re: Usinf the NanoVNA-H4 to identify ferrite cores
There is a tutorial which I have referred to in the past for such a purpose on the Fair-Rite www site. https://www.fair-rite.com/ Look under "Technical Resources" at the bottom of this folder. You
By W0LEV · #28632 ·
Re: Usinf the NanoVNA-H4 to identify ferrite cores
We can analyze the characteristics of the ferrites in the drawers with a nanoVNA device and a nanoVNA-Saver program. These "curves" should then be compared with the curves given by the manufacturers.
By HA3HZ · #28631 ·
Usinf the NanoVNA-H4 to identify ferrite cores
Good afternoon. I am not sure but I don't think I have seen this mentioned as yet another tool for the NanoVNA. Can the Nano be used to help identify anything about any of the cores that are sold by
By Fred Moore · #28630 ·
Re: How to measure induced coupling RF between two antennas #measurement #nanovna-h4
By Richard Spohn · #28629 ·
Re: Where to buy Genuine Nanovna
https://www.aliexpress.com/item/3256802604502459.html?spm=a2g0o.order_list.0.0.528a1802THkbTs Sent from Mail for Windows Sent: Thursday, June 30, 2022 12:14 PM To: [email protected] Subject: Re:
By murphy brown · #28628 ·
Re: How to measure induced coupling RF between two antennas #measurement #nanovna-h4
Well my original goal was to determine if it was safe to use both antennas at the same time (one TX- one RX) on two different radios. I can see that would not be wise. Thanks for all the help. Can't
By Marv <m207365@...> · #28627 ·
Re: Where to buy Genuine Nanovna
r and l electronice
By [email protected] · #28626 ·
Re: Where to buy Genuine Nanovna
It appears you are in Australia and I have not heard of any dealers there that sell genuine Hugen H4 units. I would suggest you order directly from Hugen's Zeenko store in China. Yo can get courier
By Roger Need · #28625 ·
Re: Where to buy Genuine Nanovna
What do the creators recommend? Well, they list all that on their web sites. First link is NanoVNA, 2nd link is NanoVNA V2 https://nanovna.com/?page_id=121 https://nanorfe.com/nanovna-v2.html -- Tate
By WyoHam · #28624 ·
Re: Where to buy Genuine Nanovna
The Nanovna website has some suggestions. Look for "Buy a NanoVNA" in the contents list. https://nanovna.com/
By Russ · #28623 ·
Re: How to measure induced coupling RF between two antennas #measurement #nanovna-h4
Much more than +64 dBm and you are very close to digital saturation on the A/D. Personally, I wouldn't go there without at least a 20 dB attenuator inline. Of course, that will also decrease your
By W0LEV · #28622 ·
Where to buy Genuine Nanovna
Hi all, it¡¯s been a while since I followed this group but perhaps somebody can suggest the best place to buy a genuine Hugen NANOVNA. H4 Any help greatly appreciated Thanks Wayne. VK6EH
By Wayne Johnson · #28621 ·