Start/stop points for HF SWR measurement
I know that the nanoVNA has about 101 (measurement points between the start and stop frequencies. When using it for SWR measurements of an HF antenna, how wide is too wide? Should each band be framed
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Bill Klymus W5PB
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#31291
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Re: Group Co-ownership Change
You can always spot the programmers... If they need to say go to: http://www.www.wwww.com They actually say: Goto: ... 73, and thanks, Dave (NK7Z) https://www.nk7z.net ARRL Volunteer Examiner ARRL
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Dave (NK7Z)
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#31290
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Re: Group Co-ownership Change
They are probably of a "certain age". 73, Gary - W6GVS
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Gary - W6GVS
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#31289
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Re: Group Co-ownership Change
Really???? Dave E
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W0LEV
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#31288
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Re: Group Co-ownership Change
We are all older than 25. DaveD
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Dave Daniel
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#31287
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Re: Group Co-ownership Change
Yes, I've heard rumored that one could determine one's age by noting the first name. Yes, Dave D and Dave E are "about" the same age (we used to work together). How about Dave F? Dave E - W?LEV
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W0LEV
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#31286
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Re: Where to buy "DeepVNA" (NanoVNA-F 4.3 screen aluminum enclosure}
Has anyone used this model outdoors? How readable is it in bright light?
By
Ken
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#31285
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Re: Group Co-ownership Change
struct Daves { char First_Name[50]; char Surname[50]; char purpose[100]; int dave_id; } daves;
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Tim Dawson
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#31284
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Re: Group Co-ownership Change
Clearly you have not programmed enough... Should have ben Dave0, Dave1, and Dave2... :)( 73, and thanks, Dave (NK7Z) https://www.nk7z.net ARRL Volunteer Examiner ARRL Technical Specialist, RFI ARRL
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Dave (NK7Z)
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#31283
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Re: Group Co-ownership Change
Dave? Daves not here, man . . . :-)
By
Tim Dawson
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#31282
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Re: Group Co-ownership Change
Yeah, Dr. Seuss even wrote a story about ¡°too many Daves¡±. You¡¯ll notice that it is now DaveD, DaveE and DaveF. DaveD
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Dave Daniel
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#31281
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Re: Group Co-ownership Change
Not another "Dave"... Welcome, Dave, (W0LEV) 73, and thanks, Dave (NK7Z) https://www.nk7z.net ARRL Volunteer Examiner ARRL Technical Specialist, RFI ARRL Asst. Director, NW Division, Technical
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Dave (NK7Z)
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#31280
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Re: RF Demo Kit for NanoVNA H4?
#nanovna-h4
If you read /g/nanovna-users/wiki/16592 there is explaied how to handle the connector, e.g. see attached picture. 73, Rudi DL5FA
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Rudi
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#31279
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Group Co-ownership Change
All, Please join us in welcoming Dave Eckhardt, W0LEV, to the role of co-owner of the nanovna-users group. Most of you have probably seen his posts to the group. He is well-versed in the use of VNAs
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Dave Daniel
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#31278
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Re: RF Demo Kit for NanoVNA H4?
#nanovna-h4
Get. The. Proper. Tool. If they make an insertion/extraction tool it is because it is needed to avoid damaging the delicate connectors on the cable or, worse, tearing loose the mating connector on the
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Donald S Brant Jr
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#31277
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Re: Running NanoVNA-App on Raspberry Pi
It looks like you may have a math library issue, maybe indirectly through some other computation library used. Seems like it may be using more significant digits, or not rounding in the same manner,
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Stan Dye
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#31276
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Re: RF Demo Kit for NanoVNA H4?
#nanovna-h4
One of the main reasons I got a demo board was to get some experience/practice working with the U.FL Connectors. My most recent radio has a lot of them and figured it's better to practice on something
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Lou W7HV
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#31275
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Re: Where to buy "DeepVNA" (NanoVNA-F 4.3 screen aluminum enclosure}
Rich, This is the maker's store: https://deepelec.aliexpress.com/store/5498043 I hear good reports of R&L. Cheers, David -- SatSignal Software - Quality software for you Web: https://www.satsignal.eu
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David J Taylor
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#31274
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Re: Where to buy "DeepVNA" (NanoVNA-F 4.3 screen aluminum enclosure}
Try this. There is a link to purchase directly from the vendor. https://deepelec.com/2022/03/27/deepvna-101-product-release/ *Clyde K. Spencer*
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Clyde Spencer
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#31273
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Where to buy "DeepVNA" (NanoVNA-F 4.3 screen aluminum enclosure}
Hello. I decided to put my NanoVNA in a safe place so I wouldn't scratch it or damage it. Now... ...I can't find it. This may be a sign from the Supreme Diety that i should buy the "DeepVNA" 4.3
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Richard Spohn
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#31272
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