Re: Nano VNa H4 saving settings
Thanks Herb, that works perfectly. I saw the 'save'menu item but as it was under 'cal' I wongfully assumed that it would save just the calibration. I have just saved a cal and settings for 1.6 -
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Tony G1HMO
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#10203
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Re: Wireless control of NanoVNA
Hugen's H4 unit with the 4 inch display already has a serial port available in addition to the USB for use with additional peripherals like wifi and Bluetooth dongles.? The only problem at this time
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Larry Rothman
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#10202
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Wireless control of NanoVNA
Here is a feature idea for the next update of the NanoVNA design. If the NanoVNA had a WiFi transceiver on board in addition to the USB port, so it could be controlled remotely by NanoVNA Sharp,
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gmendenh1947
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#10201
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Re: Corrupted firmware.
On Sat, Jan 25, 2020 at 03:24 PM, Nigel Gunn, G8IFF/W8IFF wrote: " Or recomment they use Linux and not Windows. Then they don't need any ST files. They will already have the needed software."
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hwalker
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#10200
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Re: nanovna-users]NanoVNA-H4 2Port calibrationof
On Sat, Jan 25, 2020 at 03:58 PM, Jos Stevens wrote: I did what you suggested , removed the portsavers re-calibrated the standalone VNA,the result was better then before 0.00 db, +0.12 and -0.25 at
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hwalker
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#10199
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Re: Cheap calibration loads
#parts
On Sat, Jan 25, 2020 at 03:10 PM, Larry Benko wrote: Making reasonable quality loads is not difficult.? See https://youtu.be/-PK9Bn7Ixnw if interested.
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hwalker
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#10198
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Re: nanovna-users]NanoVNA-H4 2Port calibrationof
Herb, I did what you suggested , removed the portsavers re-calibrated the standalone VNA,the result was better then before? 0.00 db, +0.12 and -0.25 at 50k, 750M and 1500M. Then I calibrated in
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Jos Stevens
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#10197
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Re: Corrupted firmware.
Or recomment they use Linux and not Windows. Then they don't need any ST files. They will already have the needed software.
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Nigel Gunn, G8IFF/W8IFF <nigel@...>
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#10196
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Is my off brand a Brick?
Was my First purchase from China a mistake? This is a no battery clone I assume. First session I used Saver 0.2.2-1 to do a calibrate. My device is now non responsive. I do see the 'Disconnect' on
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John
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#10195
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Re: Cheap calibration loads
#parts
Herb, Making reasonable quality loads is not difficult.? See https://youtu.be/-PK9Bn7Ixnw if interested. Larry, W0QE
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Larry Benko
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#10194
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Re: Cheap calibration loads
#parts
On Sat, Jan 25, 2020 at 02:31 PM, Aldo Cugnini wrote: 68 ohms (resistance) will give you a VSWR of 1.36, so it's very nearly inspec, according to the soec sheet you linked.
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hwalker
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#10193
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Re: Cheap calibration loads
#parts
68 ohms (resistance) will give you a VSWR of 1.36, so it's very nearly in spec, according to the soec sheet you linked. -. Aldo
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Aldo Cugnini
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#10192
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Re: Cheap calibration loads
#parts
On Sat, Jan 25, 2020 at 01:08 PM, <cosbug@...> wrote: Could someone advise if these SMA terminators are good ? I've done a resistance check at DC using multimeter and it's shown 68 Ohms (too
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hwalker
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#10191
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Re: nanovna-users]NanoVNA-H4 2Port calibrationof
On Sat, Jan 25, 2020 at 12:37 PM, Jos Stevens wrote: yes I did use the calibration wizard and I have done it so often that I can do it blindfolded.. The only thing different is that For the H4 I used
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hwalker
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#10190
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Re: Cheap calibration loads
#parts
Hmmm...looks like a Nano-Cantenna ;-) On Sat, 25 Jan 2020 at 3:34 PM, hwalker<herbwalker2476@...> wrote: Ever wonder why some 50 ohm loads are reasonably priced, look great at dc, but quickly
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Larry Rothman
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#10188
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Re: Cheap calibration loads
#parts
Hello All, Could someone advise if these SMA terminators are good ? I've done a resistance check at DC using multimeter and it's shown 68 Ohms (too high by me, should be lower). Secondly, I've
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cosbug@...
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#10187
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Re: nanovna-users]NanoVNA-H4 2Port calibrationof
I forgot to mention That I used 10 Segments in NanoVNA-Saver Jos Op 25-1-2020 om 21:37 schreef Jos Stevens:
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Jos Stevens
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#10186
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Re: nanovna-users]NanoVNA-H4 2Port calibrationof
Hi Oristo and Herb, Thinks for the pictures Oristo, i think they are from the 2.8" NanoVNA-H, my 2.8 -H version works well, this problem is? with my VNA new version H4. Herb,? yes I did use the
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Jos Stevens
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#10185
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Cheap calibration loads
#parts
Ever wonder why some 50 ohm loads are reasonably priced, look great at dc, but quickly veer off 50 ohms at higher frequencies? Take a look at the attached photo, courtesy of one of the Russian NanoVNA
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hwalker
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#10184
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Re: Corrupted firmware.
Another suggestion to reduce novice frustration is to advise them to download the ST files using a PC that has their email client installed, in order to pass ST¡¯s identity verification scheme.
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Bruce W4CG
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#10183
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