RG6 75ohm Tdr, Cable length, open cable
Hallo, I need help, I only need this instrument to measure the length of the cable and where the cable is open. If possible, I would measure rg6 and rg11 75ohm, the longest length up to 10-30m I have
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mamafu546@...
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#38483
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Re: Nano VNA reference with 4'' screen
Authorized stores are listed at nanovna.com <sim31_team@...> wrote:
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Dragan Milivojevic
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#38482
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Re: Nano VNA reference with 4'' screen
Hi Dragan Thanks for pointing me to an original brand via amazon.de or ebay.de , may be directly to the constructor site .. 73s Nizar
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Team-SIM SIM-Mode
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#38481
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Re: Nano VNA reference with 4'' screen
Why would you buy a clone when you can get the original for less? <sim31_team@...> wrote:
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Dragan Milivojevic
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#38480
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Re: Nano VNA reference with 4'' screen
Hi Karl Hi All Pse what do you think about this NanoVna-H4 V4.3 provider from ebay.de (Germany) : SeeSii brand:
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Team-SIM SIM-Mode
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#38479
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Re: Changing size of the NanoVNA screen
Michael, thanks for the info regarding the RigExpert app AntScope2...very interesting. 73 Steve G4EDG
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Steve G4EDG
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#38478
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Re: Changing size of the NanoVNA screen
Some have not read the files section. Replacing is possible if the flat cable connector has the same PIN configuration. Another type with more pins, recuire a study of the right connections and
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ON1BES
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#38477
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Re: Changing size of the NanoVNA screen
After replacement, is the screenshot function normal? The screenshot I replaced with a 3.5 inch is not normal
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blackberryer
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#38476
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Re: Heaviside
Alas we are just systems engineers now¡ just purchase the correct black box, write some code and rush it into production before it becomes obsolete! I¡¯m writing and listening to my diy hi fi. All
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Gregory Kordes <icabodeeb@...>
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#38474
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Re: Heaviside
Another very interesting book by Bruce Hunt: Imperial Science. Should be required reading for EE students. Land line telegraph was interesting but things really became interesting when the wires were
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WB2UAQ
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#38473
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Re: Heaviside
FWIW, A good deal of information concerning Heaviside's contributions to EM field theory (including his vector calculus-based formulation of Maxwell's equations as compared to Maxwell's original
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Dave Daniel
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#38472
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Re: Heaviside
They were successful: https://aetherczar.com/a-heaviside-update-memorial-project-to-republish-heaviside-biography/
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Kent Borg
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#38471
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Re: Nano VNA reference with 4'' screen
Hi Nizar, I am surprised you are having touchscreen troubles with your Deepelec NanoVNA-F. Try clearing your calibration data and do another touch screen calibration. Leon changed the touchscreen cal
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Bob Ecclestone VK2ZRE
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#38470
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Re: NanoVNA-H4 turns off after one second
The only other idea I have is to remove, clean, and re-seat the display cable. It has VDD pins next to gnd pins - maybe there is a short, or some FOD. [email protected]> wrote:
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Stan Dye
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#38469
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Heaviside
Links I have that still work are: https://aetherczar.com/help-restore-the-heaviside-memorial/ & https://blogs.ncl.ac.uk/alexyakovlev/2014/07/21/heaviside-memorial-project/ . But they lead nowhere. The
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WB4LVA
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#38468
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Re: SWR vs. Resonance; Heaviside
In 2014 on a lark, I contributed 10 Pounds to an effort of those in Newcastle seeking to refurbish Heaviside's grave site. They sent a picture. I will grab it of my e-Mail.
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WB4LVA
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#38467
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Re: NanoVNA-H4 turns off after one second
It turns out that my board is version 4.2.1, the scrematic is https://github.com/hugen79/NanoVNA-H/blob/F303_ChibiOS_18/doc/Schematic_NanoVNA-H4_2_1.pdf The regulator is LDO1. I managed to lift pin 5.
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Jim Ancona N1ADJ
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#38466
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Re: Nano VNA reference with 4'' screen
Hi Bob I have Deeplec Nano-VNA F 4.3'' V2.3 V3.1 FW 1.0.5 but very disappointed by touchscreen on the menu even with good calibration as shown on youtube video, very erratic and bugy , otherwise all
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Team-SIM SIM-Mode
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#38465
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Re: Nano VNA reference with 4'' screen
Hello Nizar, Before you buy another NanoVNA, what brand of NanoVNA-F do you have Sysjoint or Deepelec? Have you upgraded to the latest firmware? If it is a Sysjoint, they no longer support the
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Bob Ecclestone VK2ZRE
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#38464
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Re: Nano VNA reference with 4'' screen
Hi Stan Thank you very much for all this nice infos about nano vna H4 v3.1. I will select a supplyer from amazon.de to have some advices from you and others .. Thanks again 73's Nizar
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Team-SIM SIM-Mode
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#38463
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