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Re: AliExpress Purchase Issue - Credit Card Refused
they did that once when I was ordering from my vacation home. I forgot what the issue was that I had to wait till I got home to place the order. It may have been that they wanted to call me and I
By NC4BR · #19682 ·
Re: My $165,000 VNA
I just joined this group today attempting to get more info on the NanoVNA equipment but, quickly stumbled on this thread talking about the old computer equipment of the 70's and 80's. I hit 80 on my
By Donald McRoberts · #19681 ·
Re: Subscribe
You need to subscribe by clicking on the ¡°Join¡± link on the group website. DaveD
By Dave Daniel · #19680 ·
Subscribe
Thanks
By Walter Wilson · #19679 ·
Re: AliExpress Purchase Issue - Credit Card Refused
I just purchased some PE4302 Attenuator chips with my Paypal Mastercard on Alibaba. No problems. I purchased my TinySA from them a few months ago. Also went smoothly. [email protected]> wrote:
By stefan baartman · #19678 ·
Re: Absolute Maximum Signal Input levels. #specifications
I know I've seen threads about using the nanoVNA as a signal source, and also working with active devices, but don't recall seeing anything about input level limitations. I'm sure the information must
By Ed - K9EW <k9ew57@...> · #19677 ·
Re: AliExpress Purchase Issue - Credit Card Refused
RandL has the H4 back in stock
By john marks <kb4uxc@...> · #19676 ·
Re: AliExpress Purchase Issue - Credit Card Refused
Chases fraud systems does not like Aliexpress or many outside the USA purchases. I get around this using paypal to aliexpress. I used to work for Chase when they where implementing that fraud system.
By Sandra Carroll <smgvbest@...> · #19675 ·
Re: Coax choke/balun
And a good reason to use a balun is that without it, you can't measure antenna impedance. (Or at least I cant.) Impedance bridge readings are wrong and do not change no matter what you do.
By Leif M · #19674 ·
Re: AliExpress Purchase Issue - Credit Card Refused
I was successful today. I used a Citi card, and the transaction went through. The Chase card I used to purchase the nanoVNA didn't work again today. I thought of phoning Chase to see if they changed
By Jim Hill, w6ivw <sp600jx@...> · #19673 ·
Re: File /Absolute Beginner Guide to The NanoVNA/Absolute_Beginner_Guide_NanoVNA_v1_5.pdf uploaded #file-notice
Martin, you have my vote for whatever office you choose to be elected for. Thank you. John VE7KKQ
By John · #19672 ·
Re: AliExpress Purchase Issue - Credit Card Refused
When I order things from Ali, I usually get an email from my bank asking did I *really* place this order? I answer "yes" and the transaction goes through. Of course, you need to have email
By Ken Jamrogowicz · #19671 ·
Re: Absolute Maximum Signal Input levels. #specifications
I was doing some preamp testing and measured the output of my S-A-A-2 at about -10dBm. I didn't bother with peak-hold or anything like that, just hooked it up and looked at the screen. I think there
By Bob M. · #19670 ·
Re: File /Absolute Beginner Guide to The NanoVNA/Absolute_Beginner_Guide_NanoVNA_v1_5.pdf uploaded #file-notice
Thank you Martin that's great, very helpful ! Rex WB8TDG [email protected]> wrote:
By rrex lehman · #19669 ·
Re: Absolute Maximum Signal Input levels. #specifications
Note well that the NanoVNA doesn't put out a sine wave (above 300 MHz), it uses the 3rd harmonic as a "frequency range extension" - so if your device is nonlinear or broadband, the measurement power
By Jim Lux · #19668 ·
Re: Absolute Maximum Signal Input levels. #specifications
/g/nanovna-users/wiki/13116#nanoVNA-power-output
By Oristo · #19667 ·
AliExpress Purchase Issue - Credit Card Refused
In early November, I purchased a nanoVNA-f from DeepElec through their store in AliExpress, using a credit card. It was received in early December, with no problems. I was not sure about quality of
By Jim Hill, w6ivw <sp600jx@...> · #19666 ·
Re: Assorted NanoVNA-H4 observations
I always search for the answers before asking the questions. Most of the time that works well, but sometimes in search results are multiple answers, sometimes contradictory. Other times I don't know
By Steve Johnson · #19665 ·
Re: File /Absolute Beginner Guide to The NanoVNA/Absolute_Beginner_Guide_NanoVNA_v1_5.pdf uploaded #file-notice
Martin it's people like you who make the world a better place to live in thank you.
By Dave · #19664 ·
Re: Absolute Maximum Signal Input levels. #specifications
Many thanks, Jim! Any idea what the output levels are?
By stefan baartman · #19663 ·