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Larry - I re-executed the calibration over 10.4 through 11MHz, saved to "1," and I always recall it before measuring. However, the letter changes every time I start the scan (from "C1" to "c1") - I

At HF the Anritsu tee is likely not going to be that much better a cal as the supplied SOL. To test it cal with the ANritsu Tee and then measure the supplies SOL. Likely any difference you see will be

You want to calibrate with as nearly to test jig configuration as possible. For example, when measuring with alligator clips, I calibrate using alligator clips.

Hi DiSlord and Larry, Thanks for all info. DiSlord,? I did flash the latest? 0.9.1 firmware initially, but to be sure and in case you updated the 0.9.1 release I loaded the one you gave me the link

My test SD cards foto

In my test i use Samsung EVO Plus 128Gb HD XL Samsung EVO Plus 32Gb SD HC Kingston MicroSD HC1 16Gb All worked, detected 128Gb flash not write (used exFat filesystem, not supported), but card answer

I have access to an Anritsu VNA at my job, and with it we have the calibration "tee" which has open, short and load using N connectors. Would I make more accurate measurements using this for

Hi Jos I think you might ask DiSlord if the SD card driver supports SDHC type cards or the older type.? Larry Sent from Rogers Yahoo Mail on Android On Sun, 24 May 2020 at 9:28 am, Jos

Flash last fitmware from this post /g/nanovna-users/message/13787 In it i fix some problems Time command syntac is: Card not detected or answer, try update firmware

Hi DtSlord, Thank you very much for the new firmware with microSD support, fantastic !??? I have added the connector to my H-4 and flashed the firmware. I have 2 questions? : 1 I tried to set the

Hello, Have you got any images of the formers you made and any more close ups of your finished work? I've got a clone, non-shielded and wondered about adding something to it. Given the plethora of

Hi folks, I got a bricked VNA (white screen) from a very frustrated OM (very cheap: a glass of beer only, hi). - First: I tried the "DfuSe"-way - no success - as expected. - Second: I used the

What I see in the plot that you posted is a filter that is about 170 kHz wide at the -3 dB points and centered at 10.715 MHz. This is consistent with a Murata SFELF10M7HA00-B0 that has a spec of 180

Who can increase the font size in the firmware?

Radu, Please note there is a big difference between upper case C and lower case c as an indication of calibration.? Refer to the User Guide in the Forum files section. I emphasized this in the

Hello, You still need to compile it, but I have attached a nanovna-SAVER release that its compatible with the V2 and H4, with the addition of a small form where one can add "attenuation" threshold to

Update NanoVNA H4 firmware to v0.9.1 beta Work around errors in SD card support: Now firmware have beta status and look stable (at this time no errors on read/write on my test card while made 100

I measured the CW frequency error during "my" NanoVNA warm-up. Without the DiSlord's installed FW, the actual error would be shifted higher ! May be not a TCXO but XO as i wrote in a past message.

Looks like it's on its way into Hugen's NanoVNA-H: https://github.com/hugen79/NanoVNA-H/pull/12 Just checked my NanoVNA-H Feb 21 2020 firmware and i don't see that menu yet. Thanks, Chris.

Larry, Thank you for your input. When I run the scan, I see "c1" on the top/left side, and I'm always keeping it current. That said, I just tried in both modes - RECALL 0, and RECALL 1 - and I can't