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Re: How about using a USB memory stick instead of an SD card
#features
H4 already has the SD card connector on the PCB so no need for a new one.
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On Fri, 10 Dec 2021 at 02:57, Gary O'Neil <n3go@...> wrote:
Hello DiSlord; |
Re: Calibration
On Thu, Dec 9, 2021 at 06:41 AM, Joe WB9SBD wrote:
OK again say you calibrate it between 7.0 and 7.3 Mhz. and save it toThe NanoVNA can only interpolate between frequency points when you "zoom in". It cannot extrapolate so the answer is NO you cannot "zoom out" and scan from 6 to 8 MHz. if you calibrated from 7 to 7.3 MHz. Roger |
Re: Calibration
On Thu, Dec 9, 2021 at 01:39 PM, W0LEV wrote:
The problem with recalling stored Saver calibrations is you have to remember to set the NanoVNA to the same sweep range that you used when you did the Saver calibration. I always leave slot 0 as is and never change it and do all Saver cals using slot 0. That way I can recall saver slots and know they are valid. Roger |
Re: How about using a USB memory stick instead of an SD card
#features
Hello DiSlord;
Thanks for catching the essence of this thread so quickly. :-) I was suspect that you might be ahead of us on this, and it is awesome that it is already supported. I have the original edy555 platform, but with your incremental updates, it continues to play like a new NanoVNA-H. Even after bricking it a couple of times and physically abusing, breaking, and restoring it a couple of times as well, it just keeps getting better¡ and made new again. I ordered an H4 from R & L here in the US yesterday; not because I ¡°needed¡± to, but rather out of fear that if what I have breaks again, I may be without one for awhile. The bigger reason is that my aging eyes will benefit from the bigger screen, and the new added features keep inspiring me to use it even more. I applaud the incredible job at refining the performance and utility that you¡¯ve been doing, while enhancing and maintaining compatibility with legacy hardware. I was surprised to find that coverage now starts at 800 Hz, and also astounded at its performance in the audio region. It has become the new ¡°multimeter¡± for hams and analog professionals alike. What an incredible development team! Tonight I must order an SD card connector for the H4 that is on its way to me. If I understand your detailed response to this thread adequately; Putty should be a sufficient tool for porting and managing SD card data from a PC via the NanoVNA¡¯s USB interface. Is my understanding correct on this? -- 73 Gary, N3GO |
Re: How about using a USB memory stick instead of an SD card
#features
Don, Thanks! Actually, I have been using the H4 without any issues. It was only just?recently on the NanoVna Group that I learned the slot existed in the first place. At?some point I am sure it will come in handy.
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On Thursday, December 9, 2021, 05:49:50 PM EST, Chris Gardner via groups.io <seaman98@...> wrote:
Thank you for the speedy responses. I will read the guide as you suggest.?Of course, using a terminal emulator over the attached com port makes sense.?Admittedly, I haven't had occasion to use that method of conversing with attached?hardware in quite a while. Thank you for an outstanding and very informative group.?? ? ? On Thursday, December 9, 2021, 04:45:25 PM EST, Donald S Brant Jr <dsbrantjr@...> wrote:? Or you could pop out the SD card and put it into a card reader, the old "Sneakernet" way.? 73, Don N2VGU |
Re: How about using a USB memory stick instead of an SD card
#features
Thank you for the speedy responses. I will read the guide as you suggest.?Of course, using a terminal emulator over the attached com port makes sense.?Admittedly, I haven't had occasion to use that method of conversing with attached?hardware in quite a while. Thank you for an outstanding and very informative group.
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On Thursday, December 9, 2021, 04:45:25 PM EST, Donald S Brant Jr <dsbrantjr@...> wrote:
Or you could pop out the SD card and put it into a card reader, the old "Sneakernet" way.? 73, Don N2VGU |
Re: Calibration
I think you are mixing "ch1" with the memory save slots. But answering
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your questions, assuming you were referring to the save slots: a) The save slots store a calibration (and various other parameters like trace setup, etc) until you overwrite them with a new 'save' to that same slot. b) Recalling a saved slot (0-3) restores whatever you previously saved there, no matter how many times you have done the cal reset. c) it is necessary to do cal - reset every time before you calibrate. Doing so clears the currently loaded calibration (from power-on or the last memory recall). d) after cal - reset, then doing a cal as you suggest for whatever range, then that cal becomes active but not saved - it will be there only until you turn off the device, unless you do a save. So yes, the save slots are there to save your presets - which will include whatever trace setups, etc. you did before the save. And yes, you can start with recalling a saved slot, then re-cal to zoom in or whatever, and it will use that new cal until you do another cal or recall a saved cal again. On Thu, Dec 9, 2021 at 1:17 PM <Neil2Com@...> wrote:
ill add a cal Q on top of the good answers already said... |
Re: How about using a USB memory stick instead of an SD card
#features
Or you could pop out the SD card and put it into a card reader, the old "Sneakernet" way. 73, Don N2VGU
|
Re: Calibration
If you use SAVER, you can store cals on your PC or laptop supporting
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SAVER. If properly labeled, it's clear specifically what cal. you are pulling up for which application. Dave - W?LEV On Thu, Dec 9, 2021 at 9:17 PM <Neil2Com@...> wrote:
ill add a cal Q on top of the good answers already said... --
*Dave - W?LEV* *Just Let Darwin Work* |
Re: Calibration
ill add a cal Q on top of the good answers already said...
Q: say i cal 2m up to 440 in ch0 then cal hf 1mhz to 50 in ch1 then cal 28mhz in ch2 finally cal my cb/27 in ch3 if i go back and sitting on C0, hit reset a cpl times and do a re-cal on 0 for just the 144/2m only, is my 2 or 3 other calibrations ch1, 2, 3, still good and valid.. or would i need to go back and redo those? ie. re-cal is channel specific, or makes all others not as good as before? if that makes since?? im getting it to where i want it preset for a few options but just change say ch0 for doing a different sweep for different random tests and go back to have it monitor the basics? ch1, 2, 3....???? |
Re: How about using a USB memory stick instead of an SD card
#features
Chris,
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You need to have the last formally released version of DiSlord's firmware installed in your H or H4 for the 3 SD card commands to work. That should be 1.0.69 You can find in in an zip'ed file at /g/nanovna-users/files/Dislord's%20Nanovna%20-H%20Firmware Install the firmware, connect your Nano to your PC/Mac/*nix box and talk to it using a terminal emulator application. Read my Console Commands document also in the files section to see what commands you can run remotely from the terminal window. (it hasn't been updated in 2 years but it has most of the info you'll need. Also - please read the Beginners userguide, also in the files section and look through the forum Wiki for info. Regards, Larry On Thursday, December 9, 2021, 01:14:34 p.m. EST, Chris Gardner via groups.io <seaman98@...> wrote:
Greetings, Thank you for that information. But, I am not clear as to how to initiate an connection to,?and or the ability to exchange data to and from the SD Card which is installed into the NanoVna_H4?which I have. I did not notice any change of the device screen indicating a connection was now possible.?Also, I didn't notice any fields located in NanoVNA-saver application on my windows 10 PC. Must I install,?or re-install device firmware in order to affect the change that I have made by accessing the card slot.?Thank You ? ? On Thursday, December 9, 2021, 10:59:54 AM EST, DiSlord <dislordlive@...> wrote:? My NanoVNA? H/H4 fw support commands for SD card access, so some one can write software for work. sd_list {pattern} sd_read {filename} sd_delete {filename} Commands: sd_list {pattern} example get all files list sd_list or sd_list *.* Read s1p list sd_list *.s1p Read bmp list sd_list *.bmp Read s1p and s2p list sd_list *.s?p Read *.bin list sd_list *.bin Log {filename} {size} 18.238 rx: ch> 18.241 tx: sd_list *.bmp 18.243 rx: sd_list *.bmp 18.246 rx: sd_list: 18.250 rx: VNA_000004.bmp 153670 18.253 rx: VNA_00000C.bmp 153670 18.256 rx: VNA_210721_210606.bmp 307270 18.258 rx: VNA_000077.bmp 153670 18.261 rx: VNA_000114_212649.bmp 307322 18.300 rx: VNA_000119_233142.bmp 307322 18.303 rx: VNA_000119_233204.bmp 307322 18.306 rx: VNA_000119_233223.bmp 307322 18.309 rx: VNA_000122_082125.bmp 307322 18.312 rx: VNA_000129_085002.bmp 307322 18.315 rx: VNA_000129_085132.bmp 307322 18.318 rx: VNA_000129_085345.bmp 307322 18.321 rx: VNA_000129_085607.bmp 307322 18.323 rx: VNA_000129_091616.bmp 307322 18.326 rx: VNA_000129_091818.bmp 307322 18.361 rx: VNA_000301_213820.bmp 307322 18.364 rx: VNA_201129_081345.bmp 307322 18.368 rx: VNA_201129_081351.bmp 307322 18.371 rx: VNA_201129_081357.bmp 307322 18.374 rx: ch> For read file need sd_read {filename} After nano return binary file data or on error "err: no file\r\n" Delete file: sd_delete {filename} After nano delete it from SD card: Output shell_printf("delete: %s %s\r\n", filename, res == FR_OK ? "OK" : "err"); |
Re: How about using a USB memory stick instead of an SD card
#features
On 12/9/21 10:14 AM, Chris Gardner via groups.io wrote:
Greetings, Thank you for that information. But, I am not clear as to how to initiate an connection to,?and or the ability to exchange data to and from the SD Card which is installed into the NanoVna_H4?which I have. I did not notice any change of the device screen indicating a connection was now possible.?Also, I didn't notice any fields located in NanoVNA-saver application on my windows 10 PC. Must I install,?or re-install device firmware in order to affect the change that I have made by accessing the card slot.?Thank You The NanoVNA has two "interfaces" - one is the touch screen, the other is the serial port over USB.? So there's lots of functions available by sending serial commands and getting responses back (as DiSLord illustrated) that aren't available from the touch screen. NanoVNA-Saver probably hasn't been updated to incorporate this new functionality. |
Re: How about using a USB memory stick instead of an SD card
#features
Any NanoVNA can control from CPU
Software like NanoVna Saver or NanoVNA-App open com port connection and send commands You or any programmer can update exist / write new software for SD card access Just use this commands At this moment this software not exist, but I hope there is an author who implements this option |
Re: Calibration
Advice: When in doubt, calibrate.......
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Besides, the whole cal. procedure is relatively insignificant in time. Even using the HP 8753C, I calibrate every time I want to measure my latest "brain fart". Dave - W?LEV Dave - W?LEV On Thu, Dec 9, 2021 at 2:41 PM Joe WB9SBD <nss@...> wrote:
When you do a Calirate say between 3.5 and 4 Mhz, and save it. --
*Dave - W?LEV* *Just Let Darwin Work* |
Re: How about using a USB memory stick instead of an SD card
#features
Greetings, Thank you for that information. But, I am not clear as to how to initiate an connection to,?and or the ability to exchange data to and from the SD Card which is installed into the NanoVna_H4?which I have. I did not notice any change of the device screen indicating a connection was now possible.?Also, I didn't notice any fields located in NanoVNA-saver application on my windows 10 PC. Must I install,?or re-install device firmware in order to affect the change that I have made by accessing the card slot.?Thank You
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On Thursday, December 9, 2021, 10:59:54 AM EST, DiSlord <dislordlive@...> wrote:
My NanoVNA? H/H4 fw support commands for SD card access, so some one can write software for work. sd_list {pattern} sd_read {filename} sd_delete {filename} Commands: sd_list {pattern} example get all files list sd_list or sd_list *.* Read s1p list sd_list *.s1p Read bmp list sd_list *.bmp Read s1p and s2p list sd_list *.s?p Read *.bin list sd_list *.bin Log {filename} {size} 18.238 rx: ch> 18.241 tx: sd_list *.bmp 18.243 rx: sd_list *.bmp 18.246 rx: sd_list: 18.250 rx: VNA_000004.bmp 153670 18.253 rx: VNA_00000C.bmp 153670 18.256 rx: VNA_210721_210606.bmp 307270 18.258 rx: VNA_000077.bmp 153670 18.261 rx: VNA_000114_212649.bmp 307322 18.300 rx: VNA_000119_233142.bmp 307322 18.303 rx: VNA_000119_233204.bmp 307322 18.306 rx: VNA_000119_233223.bmp 307322 18.309 rx: VNA_000122_082125.bmp 307322 18.312 rx: VNA_000129_085002.bmp 307322 18.315 rx: VNA_000129_085132.bmp 307322 18.318 rx: VNA_000129_085345.bmp 307322 18.321 rx: VNA_000129_085607.bmp 307322 18.323 rx: VNA_000129_091616.bmp 307322 18.326 rx: VNA_000129_091818.bmp 307322 18.361 rx: VNA_000301_213820.bmp 307322 18.364 rx: VNA_201129_081345.bmp 307322 18.368 rx: VNA_201129_081351.bmp 307322 18.371 rx: VNA_201129_081357.bmp 307322 18.374 rx: ch> For read file need sd_read {filename} After nano return binary file data or on error "err: no file\r\n" Delete file: sd_delete {filename} After nano delete it from SD card: Output shell_printf("delete: %s %s\r\n", filename, res == FR_OK ? "OK" : "err"); |
Re: How about using a USB memory stick instead of an SD card
#features
My NanoVNA H/H4 fw support commands for SD card access, so some one can write software for work.
sd_list {pattern} sd_read {filename} sd_delete {filename} Commands: sd_list {pattern} example get all files list sd_list or sd_list *.* Read s1p list sd_list *.s1p Read bmp list sd_list *.bmp Read s1p and s2p list sd_list *.s?p Read *.bin list sd_list *.bin Log {filename} {size} 18.238 rx: ch> 18.241 tx: sd_list *.bmp 18.243 rx: sd_list *.bmp 18.246 rx: sd_list: 18.250 rx: VNA_000004.bmp 153670 18.253 rx: VNA_00000C.bmp 153670 18.256 rx: VNA_210721_210606.bmp 307270 18.258 rx: VNA_000077.bmp 153670 18.261 rx: VNA_000114_212649.bmp 307322 18.300 rx: VNA_000119_233142.bmp 307322 18.303 rx: VNA_000119_233204.bmp 307322 18.306 rx: VNA_000119_233223.bmp 307322 18.309 rx: VNA_000122_082125.bmp 307322 18.312 rx: VNA_000129_085002.bmp 307322 18.315 rx: VNA_000129_085132.bmp 307322 18.318 rx: VNA_000129_085345.bmp 307322 18.321 rx: VNA_000129_085607.bmp 307322 18.323 rx: VNA_000129_091616.bmp 307322 18.326 rx: VNA_000129_091818.bmp 307322 18.361 rx: VNA_000301_213820.bmp 307322 18.364 rx: VNA_201129_081345.bmp 307322 18.368 rx: VNA_201129_081351.bmp 307322 18.371 rx: VNA_201129_081357.bmp 307322 18.374 rx: ch> For read file need sd_read {filename} After nano return binary file data or on error "err: no file\r\n" Delete file: sd_delete {filename} After nano delete it from SD card: Output shell_printf("delete: %s %s\r\n", filename, res == FR_OK ? "OK" : "err"); |
Re: Calibration
Hi Joe,
Anything that is saved is stored for future use. Once you've chosen a range to calibrate, you can turn the NanoVNA off and then just recall the stored calibration. As far as needing a wider range, I'm not sure, but it would be best just to calibrate it for the new range. 73, Zack W9SZ On Thu, Dec 9, 2021 at 8:41 AM Joe WB9SBD <nss@...> wrote: When you do a Calirate say between 3.5 and 4 Mhz, and save it.<> Virus-free. www.avg.com <> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> |
Calibration
When you do a Calirate say between 3.5 and 4 Mhz, and save it.
Now next time you power the unit up (NanoVNA-H4) And choose that saved profile, is that calibration still valid? Or should you do it every time you power the unit up? AND OK again say you calibrate it between 7.0 and 7.3 Mhz. and save it to another slot. Now between 7.0 and 7.3 it is calibrated. But say you temporarily need to look a little wider, say 6 to 8 Mhz. So you widen the stimulus window. Now is the 7.0 to 7.3 still calibrated, and the areas out side close but not? Joe WB9SBD |
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