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Yes, I made the black nanovna, but I found some bad black clones on ebay and aliexpress. The 3.2" ili9341 spi touch TFT LCD is also compatible, which is the maximum size that can be compatible. The

Graphite particles or metal particles in foam may slightly attenuate RF. But unless the particles are interconnected and the resulting network is connected to some sort of ground (thus forming a more

depends on the foam. Some have graphite in them, and some are for RF absorption. Moisture (in open cell foam) can also effect RF circuits

Foam is transparent to RF. DaveD Sent from a small flat thingy

The aluminum case for my SDR include a block of foam that I suppose absorbs RF energy. Instead of metal shields, I wonder whether a couple of layers of e.g. 3M AB5050 would

[email protected]> wrote: It is very risky ordering batteries from Amazon. Batteries are one of the most counterfeited products, and Amazon, along with eBay, are the places with most

That is just what I needed, I ordered one from Amazon and should be here today. I will be so nice to have something to use out of the shop. That big HP vna I have is a pain to move anywhere out of my

From Hugen who sells one of the "black" versions... Shielding and performance above 300 MHz is the issue. Plus Hugen just released a new firmware update that deals with frequency glitches at 300/600

Hugan, Are you the person building the black ones? Can a larger screen be used? If I was to attempt to repair this by replacing the screen, I would rather pay more and use a larger screen. Dr David

On Sat, Jul 13, 2019 at 03:32 AM, Oristo wrote: > > > Two bad clones have been found, they have failed to understand the role of > bridge and shielding, and made some bad modifications to

Hi Hi LOL... I bet it does... Take care, Alan ________________________________ Sent: Monday, July 15, 2019 1:35 AM To: [email protected] Subject: Re: [nanovna-users] NanoVNA case with sun

I'll have to wait until tomorrow,?? it works great outside now :-)

Pretty cool! So fire up the display and take it outdoors. Can you see the marker and readout? For most outdoor antenna work I would have only 1 trace ON. Probably start with log-mag and check for

Excellent, thank you. I'll add a note to my manual copy. Alan ________________________________ Sent: Monday, July 15, 2019 1:03 AM To: [email protected] Subject: Re: [nanovna-users] Electrical

The unit is picosecond.

Here is a complete case with the Sun Brim. I found 2 screws in my junk box Frank 1 2

I designed one, but didnt print it yet (printer is in Use) I'll print one, and send pictures. It will fit on the "standard" ones with 2 longer screws. I'll order some screws to have on hand if anyone

Perhaps overkill, but a 3-inch camera LCD viewfinder hood should work, e.g. this US $8 Goliton: https://www.amazon.com/dp/B00F4UJBEW

I designed a brim that sticks out about 1" I dont have longer screws (yet) but I'll print one and see how it works. Are you in Raleigh? Frank

I can make a "brim' that can connect with the screws on top. I'll play with that next