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Re: 70 MHz - 6 GHz spectrum analyser & tracking generator
From: jafinch78 . Being like a cost effect development board student hack-able device... looks like reading into a little more some are changing the TXCO to a 0.2ppm. Wondering if there are better
By David J Taylor · #11710 ·
Re: NanoVNA -H4 unboxing.... #fix #buying #problem
Hi Hugen, Existing plastic boxes should be rework. I think the best solution would be to increase the bolts' towers by 0.5mm, which can be glued with 4 plastic washers. But any other distance can be a
By Gyula Molnar · #11709 ·
Re: NanoVNA -H4 unboxing.... #fix #buying #problem
Sorry again for the trouble caused by our mistake, I have pasted the pillars for the NanoVNA-H4 currently on sale to temporarily solve this problem. I also received the improved shell, and I am a
By Hugen · #11708 ·
Re: 70 MHz - 6 GHz spectrum analyser & tracking generator
Being like a cost effect development board student hack-able device... looks like reading into a little more some are changing the TXCO to a 0.2ppm. Wondering if there are better like external input
By jafinch78 . · #11707 ·
Re: NanoVNA -H4 unboxing.... #fix #buying #problem
Roger, If you are that unhappy with your purchase, contact me by email and I will buy your H4 from you. You should probably consider buying a commercial vendor VNA that has the support, fit, and
By bill K7WXW · #11706 ·
Re: NanoVNA -H4 unboxing.... #fix #buying #problem
DR - Dave, Herb Walker, David Eckhardt, Jim Allyn and nanovnauser disagreed with me and expressed their comments in a constructive and
By Roger Need · #11705 ·
Re: NanoVNA -H4 unboxing.... #fix #buying #problem
I wasn't going to respond further, but I must. So, forgive me if I step on anyone's toes. Most of the buyers of the NANOVNA products have absolutely no idea what the creators of these instruments have
By W0LEV · #11704 ·
Re: NanoVNA -H4 unboxing.... #fix #buying #problem
Maybe you should start looking at Keysight or Rohde and Schwarz network analyzers.? They start at about 250 times the price of the NanoVNA and up - WAY up.
By Jim Allyn - N7JA · #11703 ·
Re: NanoVNA -H4 unboxing.... #fix #buying #problem
I bought mine from Gigparts - yes it costs more but I have a 1 year warranty on the thing. Caveat Emptor! 73! Mark KA6WKE Latest Video: https://ka6wke.net/gmail Website: https://www.ka6wke.net
By Mark Schoonover · #11702 ·
Re: NanoVNA -H4 unboxing.... #fix #buying #problem
What's the matter, Roger? Still don't know which end of a screwdriver to hold? The required "fix" is well off the lower end of the scale for the degree of difficulty involved, but all you can do is
By D R · #11701 ·
Re: NanoVNA -H4 unboxing.... #fix #buying #problem
no mater what faults and niggles the nanovna's have imagine going back to a gdo or mfj 259??,cant knock them,as far as im concerned there a great piece of kit,im supprised a lot more hams are unaware
By Paul M3VUV · #11700 ·
Re: NanoVNA -H4 unboxing.... #fix #buying #problem
any more thoughts on my ts-850 tunner/null issue yet dave? 73 m3vuv.
By Paul M3VUV · #11699 ·
Re: NanoVNA -H4 unboxing.... #fix #buying #problem
Remember, this is an open sourced product. No warranty and guarantee, explicit or implicit. They do their best in China, but it is somewhat expected that there may be user 'adjustments' required. Same
By W0LEV · #11698 ·
Re: NanoVNA -H4 unboxing.... #fix #buying #problem
On Fri, Mar 13, 2020 at 11:21 AM, Roger Need wrote: Why should customers have to start fixing a new product that they purchased? Any reputable suppler stands behind their product.
By hwalker · #11697 ·
Re: 70 MHz - 6 GHz spectrum analyser & tracking generator
Ad9361 have 52mhz span [email protected]> ha scritto: or 100Hz SSB modulation can be used very successfully as a narrow-band receiver so I think this is just a programming limitation at the
By Gufo Rosso · #11696 ·
Re: NanoVNA -H4 unboxing.... #fix #buying #problem
Why should customers have to start fixing a new product that they purchased? Any reputable suppler stands behind their product. Hugen has not replied to my earlier question to him about what he
By Roger Need · #11695 ·
Re: 70 MHz - 6 GHz spectrum analyser & tracking generator
Alberto forgot to mention the SATSAGEN Groups.io forum for further discussion of his fine new software for the PlutoSDR. regards, Roy
By Roy VE7DH · #11694 ·
Re: NanoVNA -H4 unboxing.... #fix #buying #problem
On Fri, Mar 13, 2020 at 06:34 AM, Tom Wall wrote: I received my 4" 1500 MHz H4 version 0.4.5-7-g57d62f2 a few days ago..... ========================================================== I recommend you
By hwalker · #11693 ·
Re: NanoVNA -H4 unboxing.... #fix #buying #problem
I received my 4" 1500 MHz H4 version 0.4.5-7-g57d62f2 a few days ago, ordered thru Alibaba on Feb 7. Battery was fully charged and all is working fine. Nicely boxed and it includes a short carry strap
By Tom Wall · #11692 ·
Re: edy555 NanoVNA2 #nanovna-v2
Appears to be just existing nanoVNA with the addition of a balanced to unbalanced balun on the bridge Rx sens output. . Not to be confused with the high freq AD8343 mixers, ADF4350 synth version
By roncraig1@... · #11691 ·