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Re: Calibration Algorithm #calibration
Look in the source code of nanoVNA-saver on github Or if you only require perfect calibration standards use this: plusJ=complex(0,1); minJ=complex(0,-1); one=complex(1,0); two=complex(2,0); gm1 = S;
By Erik Kaashoek · #8449 ·
Calibration Algorithm #calibration
Hello I'm just completing a nice project in Python to Autotune a Magnetic Loop antenna using this great NanoVNA. So far, so good, but now I would like to include a calibration procedure so as to be
By hb9 iiu · #8448 ·
Re: Thermal effect?
In the miniVNA (VNA / J) software there is a thermometer. The green light only occurs above 45 ¡ã. I missed this information on nanoVNA.
By Igor - PY3IG · #8447 ·
Re: First PCB pictures of the V2
/g/nanovna-users/message/3872 -- Regards, Martin - G8JNJ
By Martin · #8445 ·
Re: First PCB pictures of the V2
Please don't keep us in suspense! What are the make and part number for these buttons? Dana
By Dana Whitlow · #8444 ·
Re: conecting to a homebrew hf verticle antenna
First item, NVIS: Near impossible with a vertical. Not going to happen above about 5mhz under current solar conditions. Suitable antenna would be a dipole for 80/75M low to the ground. Low in this
By aparent1/kb1gmx <kb1gmx@...> · #8443 ·
Re: First PCB pictures of the V2
Gabriel, I think it would be advantageous to at least place the solder pads for an SD TF card slot as I had on my original white Gecko board. Just leave them unpopulated for now and when the firmware
By Larry Rothman · #8442 ·
Re: First PCB pictures of the V2
I replaced the jog switch with 3 edge mount through-hole pushbuttons. Any more suggestions (minor changes) before I submit the design for one more round of prototyping? I am not the owner of the
By OwO · #8440 ·
Re: First PCB pictures of the V2
No, UltraVNA should be a full two-port, > 6 GHz analyzer, >120 dB S21 (and S12) at least. I want to build one, if I only had time... Reinier Op 20-12-2019 om 16:32 schreef Larry Rothman:
By Reinier Gerritsen · #8439 ·
Re: First PCB pictures of the V2
How about the name: UltraVNA ??
By Larry Rothman · #8438 ·
Re: First PCB pictures of the V2
I did not intend to speak, but I ask: Your conscience is fine, can you sleep soundly? Doesn't it bother you steal your other intellectual product? ¡°I'm just an engineer on the OwoComm development
By Gyula Molnar · #8437 ·
Re: errors of "error" models
ann : next-to-come : a practical introduction to errors of "errors"
By gin&pez@arg · #8436 ·
Re: First PCB pictures of the V2
I'd also like to suggest being able to rotate the screen so that the SMA's and cables are not facing the user. However having removed the jog wheel and converted my Nano to use small push buttons (see
By Martin · #8435 ·
Re: errors of "error" models
@Gary O'Neil, N3GO : 20 December 2019 /g/nanovna-users/message/8429 Dear Gary, Thank you, very much indeed, because you noticed this ! Well, in our sow this means : "keep the signal
By gin&pez@arg · #8434 ·
Re: First PCB pictures of the V2
I think that NanoVNA-B is okay. You should not use V2 in its name. I would like to emphasize this again. I hope that your team accepts this proposal. Regards,
By edy555@... · #8433 ·
Re: errors of "error" models
GIN&PEZ; Thank you for this very nice resource archive. -- 73 Gary, N3GO
By Gary O'Neil · #8432 ·
Re: First PCB pictures of the V2
I've brought this issue to the team. It's going to be NanoVNA-B V2, if you don't object. I'm only an engineer on the development team (for OwOComm) and my name comes from a fictitious character who
By OwO · #8431 ·
Re: First PCB pictures of the V2
Hi Gabriel, Congrats to see working your product. As I posted in the former message, I think that you should use a name such as V2 or Pro. I propose that your product should be named as NanoVNA-G
By edy555@... · #8430 ·
Re: errors of "error" models
Good morning GIN&PEZ; I am confused by your comment of number 4 being redundant. I am OK with the remainder. -- 73 Gary, N3GO
By Gary O'Neil · #8429 ·
Re: QEX Magazine #tutorials
On Fri, Dec 20, 2019 at 02:19 AM, hwalker wrote: > > Jan-Feb 2020 Issue of the ARRL QEX magazine >seems a pity it could not be posted for non members to read,looks like an interesting read.
By Paul M3VUV · #8428 ·