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You could try formatting the card in a camera first, David -- SatSignal Software - Quality software for you Web: https://www.satsignal.eu Email: david-taylor@... Twitter: @gm8arv

Hello Larry...thanks for response...I may have found the answer in "messages"...my card is 32Mb and many responses to this "fail to write" are resolved with a slower 16GB card, so I ordered some... in

sorted,it was the vervier dial on cap 2,the shaft was making intermitent contacts to ground,was using a solid brass coupler not insulated,now sorted,cheers 73 de m3vuv Paul.

General advice, Ken G3YKI, identify who you are responding to correctly! Just for your information, I know this wasn't directed to me but there could be a great number of people called Paul who could

General advice, and please do not be offended, Paul. If you have a long story, divide it up into several shorter sentences. It will be easier to get your message across and you will find it helps you

If r93 is a 10 ohm resistor, try shorting r93.

Hi Michael, 1) Have you previously written to that card or is it the first time. (I.e., compatibility) 2) Was the card in the slot when you powered up or did you insert it with power on? (Best to

Most likely need to use a different card. Some are not compatible. Search the messages here for SD card to see what has been shared by others on this topic.

New NanoVNA-H4 with latest DiSlord v.1.2.00 upgrade, Clk SD CARD, Clk Save S1P and enter a name, Clk Return gives message "Fail Write". any suggestions??? Thanks in advance, Mike

Jim, Ok, my bad, my answer was too short, I should have written: Don't be surprised if you measure 50 Ω - and if you do not see 50 Ω think twice what could be the reason. You gave good examples of

On a NanoVNA the CHO port connects to a bridge with ~50 ohm DC resistance. See the schematic of at least one version. CH1 connects to a attenuator, also with approximately 50 ohm DC resistance. That's

All RF devices have input and output resistance of 50 Ω - unless you're in the TV business (they have 75 Ω) - otherwise youi'll get reflections (bad SWR). Martin

Paul, Trace 1? Yellow is the color of the 1st trace (Trace 0) - but nevertheless: Menu - Display - Trace - set Trace 0 active - Back - Format S11 (Refl) - set SWR active Enable/disable the other

Hi all,long story my homebrew pi network atu wasnt tuning so stuck my v2 vna on it to have a look,at one point in the c2(variable cap nearest the output jack for the rig)looked as iff the vanes were

Hi ,i have loaded this but cant seem to get swr to show on trace 1,it says logmag,it used to have swr in yellow numerals in the top middle of the screen with my old fw,any ideas?.

In terms of the raw message from the NanoVNA (in response to the "data" command)? It's real and imaginary of the reflection coefficient(for CH0) or transmission coefficient (for CH1) You'll also need

Is there a document that better explains what the returned data from a sweep really means? 73 de Glenn N3MEL (FRNPA) 1st Responders Network of Pa PKT:145.090 &?VARA HF:3.596?WL2K:145.670 Emergency

I would also encourage you to try PayPal, and to include any independent statements you can get about the non-delivery of your item. I raised a case with eBay about non-delivery of an item from a UK

I'm careful, but my experience with PayPal fixing bad deals, frauds, non-deliveries, etc, is very good and has been for years. I never leave money with them. Chuck

I've been lucky that I have not actually lost any money. I've always managed to get a refund. My close calls have all been on deals that seemed too good to be true. One was half the price of any other