Re: Calibration standards - BNC
https://www.sdr-kits.net/BNC-3pc-Cal-Kit Only good to 600MHz though. -- Terry VK5TM https://www.vk5tm.com ( https://vk5tm.com )
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Terry VK5TM
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#13646
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Re: Calibrating to a long coax?
#applications
#calibration
#measurement
NanoVNA need ~1-2ms for measure 1 point Pause 0.5ms between measure points for wait si5351 freq lock (can be larger on band change)
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DiSlord
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#13645
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Re: Calibration standards - BNC
Did a search on google using "bnc calibration kit" and had several hits that includes both male and female configurations along with a wide range of cost. -- David S
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davidb1stein@...
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#13644
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Re: Calibrating to a long coax?
#applications
#calibration
#measurement
One caveat to measuring at the end of a long cable is that the calibration and measurement may need to have the sweep speed reduced. A round trip reflection cal or measurement with a 100 M
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W1RS
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#13643
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saver software linux
Hello all- received my nanoVNa from Amazon Sunday, have the Saver software running on win10 ok. Trying to also install on Ubuntu 18.04, but run into problems: ~/nanovna-saver$ python3.7 -m pip install
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Dan KC2STA
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#13642
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Re: NanoVNA dealers in Europe?
Don't know whereabouts you are. I bought my nanoVNA-H from Mirfield Electronics here in the UK. Arrived in 4 days, well packed and included a couple of extras adapters for PL259/SO239 in the price.
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Chris Wood
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#13641
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Re: NanoVNA dealers in Europe?
IN France, we have https://www.passion-radio.fr/appareils-mesure-rf/nano-vna-918.html
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F1CJN_Alain <alain.fort.f1cjn@...>
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#13640
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Re: NanoVNA dealers in Europe?
In France we have, https://www.passion-radio.fr/appareils-mesure-rf/nano-vna-918.html
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F1CJN_Alain <alain.fort.f1cjn@...>
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#13639
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Re: NanoVNA dealers in Europe?
Can you name them and/or give their website URLs?
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namerati@...
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#13638
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Re: Trouble buying from China
I have been using Aramex Global Shopper (I'm normal client of the company) for the last 3 years - I provide an address in Hongkong for AliExpress and the shipment took 10 days to arrive there from
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RandMental
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#13637
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Re: Trouble buying from China
Mike - That's been going on for 12+ months - I buy from China regularly and have been on several occasions. Generally there's no problems with the stuff leaving the factory but the distribution
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stevepilotltd
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#13636
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Re: Trouble buying from China
In the other direction, there are countries that the USPS isn't even accepting shipments to right now, either because their post offices have shut down or because no transportation is available. Info
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Shirley Dulcey KE1L
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#13635
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Re: Trouble buying from China
No need to speculate based on anecdotal cases: https://www.agility.com/insights/COVID19/air-freight/ There's massive disruption generally, some of us are lucky and some are not. 73s, Hajo PGP key:
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Hajo Schatz
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#13634
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Re: nanovna cases
#enclosure
Her are some pictures.
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M Craig Leftwich
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#13633
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Re: Captured in the wild
#bying
#internals
#buying
Checked your picture, black and white are not made by us, but it seems that your black version uses the same circuit as ours, we only found a little difference on the PCB, as long as the test is
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Hugen
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#13632
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Re: Calibration standards - BNC
All, I'd like an inexpensive calibration set (open, short, 50 ohm load) for BNC (M&F) Any one seen such?? Larry, K4MLA
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k4mla
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#13631
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Re: Calibrating to a long coax?
#applications
#calibration
#measurement
Calibrating to the end of a cable was SOP in the lab I ran and every time some one would tell me it introduces error I'd give them what ever time they needed to prove it. They all failed in their
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aparent1/kb1gmx <kb1gmx@...>
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#13630
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Re: Calibrating to a long coax?
#applications
#calibration
#measurement
On Tue, 19 May 2020 at 22:36, pez@arg <petrosez7@...> wrote: > | On Tue, May 19, 2020 at 09:48 PM, <sj@...> wrote: > = > | > | I would say NO. > | Sorry to say, but have worked with VNA's for
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Dr. David Kirkby, Kirkby Microwave Ltd
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#13629
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Re: Calibrating to a long coax?
#applications
#calibration
#measurement
Thank you. I see it now. My old eyes need some magnification hi... hi Tony VE3DWI. [email protected]> wrote:
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Tony. VE3DWI
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#13628
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Re: Calibrating to a long coax?
#applications
#calibration
#measurement
They are all taken in the same format! All 4 graphs have both measurements on them. The results are so close that one is directly overlaid on the other and you can't tell one from the other except at
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Roger Need
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#13627
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