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Re: Calibration standards - pl-259?
MFJ is selling a set and that is good enough for HF and the tolerances are good enough for every day "hobby" work. I always lol at people promoting commercial calibration standards costing hundreds if
By John Cunliffe W7ZQ (x-N2NEP) <n2nep@...> · #13653 ·
[Measuring] Is there an easy way to measure balun loss?
Hello team, Is there an easy way to measure balun loss, without another one in tandem S11-S21 ? I only have one and I would like to have its characteristics, including loss. Cheers and thanks in
By CT2FZI · #13652 ·
BNC cal kit options..
Thanks to all who had suggestions on this matter. Larry, K4MLA
By k4mla · #13651 ·
Re: NanoVNA dealers in Europe?
I got mine from Mirfield Electronics, you could also try Canny Components. Ian
By Ian Bowman · #13650 ·
Re: Calibration standards - BNC
If you want to build your own BNC calibration standard, OZ7OU has some detailed info at http://www.hamcom.dk/VNWA/How%20to%20design%20a%20homemade%20male%20BNC%20calibration%20kit.pdf
By va3rr · #13649 ·
Phase measurement on the reference line.
Phase measurement on the reference line. At a frequency of 600 MHz, it is very accurate, at a frequency of 1250 MHz a slight discrepancy. For information to the group.
By Aleksander Shalygin · #13647 ·
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 )
By Terry VK5TM · #13646 ·
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)
By DiSlord · #13645 ·
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
By davidb1stein@... · #13644 ·
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
By W1RS · #13643 ·
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
By Dan KC2STA · #13642 ·
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.
By Chris Wood · #13641 ·
Re: NanoVNA dealers in Europe?
IN France, we have https://www.passion-radio.fr/appareils-mesure-rf/nano-vna-918.html
By F1CJN_Alain <alain.fort.f1cjn@...> · #13640 ·
Re: NanoVNA dealers in Europe?
In France we have, https://www.passion-radio.fr/appareils-mesure-rf/nano-vna-918.html
By F1CJN_Alain <alain.fort.f1cjn@...> · #13639 ·
Re: NanoVNA dealers in Europe?
Can you name them and/or give their website URLs?
By namerati@... · #13638 ·
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
By RandMental · #13637 ·
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
By stevepilotltd · #13636 ·
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
By Shirley Dulcey KE1L · #13635 ·
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:
By Hajo Schatz · #13634 ·
Re: nanovna cases #enclosure
Her are some pictures.
By M Craig Leftwich · #13633 ·