¿ªÔÆÌåÓý

ctrl + shift + ? for shortcuts
© 2025 Groups.io
Date
Re: Avoid this nanoVNA-v2 seller! #buying #hardware #nanovna_ver2 #nanovna-v2
I did the same thing a few weeks ago. I can heartily recommend R&L. When they get the 4" version of the TinySA I will purchase it from them also. 73, Dick, W1KSZ ________________________________ Sent:
By Dick · #16959 ·
Re: Avoid this nanoVNA-v2 seller! #buying #hardware #nanovna_ver2 #nanovna-v2
There is no guarantee of a seller having to pay return shipping on eBay, I've bought from sellers who refused to accept the delivery after I'd shipped it, eBay refunded me for the purchase but not the
By Clint Jay <exlinkay@...> · #16958 ·
Re: Avoid this nanoVNA-v2 seller! #buying #hardware #nanovna_ver2 #nanovna-v2
I bought an H4 recently from randl.com They keep stock of Hugen's products here in the US, took about two days to reach me via the USPS. Jerry, KE7ER
By Jerry Gaffke · #16957 ·
Re: O S L on antenna side of a balun / choke with stud terminals?
This post shows a way to calculate how much power should be radiated when using an antenna of moderately high SWR with an antenna tuner. The second paragraph of section 4.4 of Maxwell's "Reflections
By Jerry Gaffke · #16956 ·
Re: Avoid this nanoVNA-v2 seller! #buying #hardware #nanovna_ver2 #nanovna-v2
Unfortunately that store listings are hidden, I get nothing except when I paste in a direct product link.
By Dragan Milivojevic · #16955 ·
Re: regarding nano sellers
Even a seller with good intentions and some happy customers may not have supply chain control. At any time, their inventory (if any and not simply drop-shipping) may be from multiple assemblers, even
By Oristo · #16954 ·
Re: Avoid this nanoVNA-v2 seller! #buying #hardware #nanovna_ver2 #nanovna-v2
Hi, I got the same good experience with the same seller, received the original H4. Also, I think the legit Hugen store in Aliexpress with all his products is
By Christos SV1EIA · #16953 ·
regarding nano sellers
I would like to suggest that there be a list of recommended sellers published somewhere that can be easily found. I purchased my early model small display off Ebay. I cant tell you the seller because
By Fred Moore · #16952 ·
Re: Avoid this nanoVNA-v2 seller! #buying #hardware #nanovna_ver2 #nanovna-v2
Just to chime in since it seems that everyone had a bad customer experience on AliExpress. So far I had quite a positive experience with their support, there are real humans evaluating the cases and
By Dragan Milivojevic · #16951 ·
Re: Avoid this nanoVNA-v2 seller! #buying #hardware #nanovna_ver2 #nanovna-v2
I ordered a NanoVNA H4 from AliExpress, and the seller was Lusya Technology Store. It took a little while to arrive, but was an original H4 supplied in the black box with gold lettering, which
By Zack Widup · #16950 ·
Re: Avoid this nanoVNA-v2 seller! #buying #hardware #nanovna_ver2 #nanovna-v2
That's why I have not bought a NanoVNA from Aliexpress. At least on eBay, if something arrives not working, the seller has to pay shipping back. Dave
By Dr. David Kirkby, Kirkby Microwave Ltd · #16949 ·
Re: Avoid this nanoVNA-v2 seller! #buying #hardware #nanovna_ver2 #nanovna-v2
Although this message was specific to nanovna-v2, Ashraf posted it here, and I approved the posting (as co-owner of nanovna-users), and I believe his message helpful and in-scope: I had almost
By David Feldman · #16948 ·
Avoid this nanoVNA-v2 seller! #buying #hardware #nanovna_ver2 #nanovna-v2
I found a recommendation for this seller (https://www.aliexpress.com/item/4001053167593.html?spm=a2g0s.9042311.0.0.4c894c4dln4x7M) here on the group so I ordered my VNA-v2 about a month ago. The
By Ash · #16947 ·
Checking coax length with the TDR feature of nanoVNA saver
Hi all, Today I checked three pieces of RG 213 U coax and I am somewhat puzzled by the results. My nanoVNA indicates length of a given piece of coax anywhere from 15 to 18 meters, depending on which
By yvandelaserge · #16946 ·
Re: We started selling SAA2 with N-type RF connector and 4-inch display
You can pay with paypal on Alibaba, just start a chat with Maggie and request instructions. -- NanoVNA Wiki: /g/nanovna-users/wiki/home NanoVNA Files:
By Erik Kaashoek · #16945 ·
Re: We started selling SAA2 with N-type RF connector and 4-inch display
I did the same as it was not possible to pay with PayPal at Alibaba. It looks like it is the same seller anyway in the background. We cross our fingers and wait! Anders - SM5EPC
By Anders SM5EPC · #16944 ·
Re: Dipole length
A great explanation of resonance, reflections and SWR is this oldie https://youtu.be/DovunOxlY1k
By stevepilotltd · #16943 ·
Re: Where did OneOfEleven go
Thanks for the answers. It is a pity that there are always discussions that lead to very good projects disappearing from the scene. -- Klaus, DL5KV
By Klaus W?rner · #16942 ·
Re: Dipole length
2 posts with same question is confusing ! See my answer on your other post... 73 Patrick TK5EP
By Patrick TK5EP · #16941 ·
Re: Dipole length
Hi ea3jii and others, Antennas and particularly dipoles on our HF bands are a sum of compromises due to influence of the construction and environment. A pure dipole should have an impedance of
By Patrick TK5EP · #16940 ·