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Re: SWR measurement of CB antenna with PL-259 #newbie


 

Please don't do that. These small cables are needed for calibration and to relieve stresses on the board mounted tiny connectors. you can use a female SMA to female PL259 adapter to connect the antenna cable to the nanoVNA, or alternatively you can buy / build a pigtail cable with the connector types at its ends.

Best regards,

Ignacio

PD. Don't reuse neither any of the calibration pieces for other function, they must be kept intact for the intended use.

El 08/10/2020 a las 15:16, DougVL escribi¨®:
On Tue, Oct 6, 2020 at 09:19 AM, <vitovsky.petr@...> wrote:

Thank you! I will definitely get them sooner or later, the question was more
about possibility to do it once or twice, because my local store does not sell
them and there is a CB event this friday, so I wanted to have the dipole ready
by then.
Well, in that case, the only way "I" can see to make your tests is to sacrifice one of the cables that came with the NanoVNA and cut off one of its connectors. Strip the new end of the cable and inch or so, and twist the wire onto one antenna lead, and shield braid shield braid to the other. You can order new SMA cables, too, but of course that means spending more money. And you can still re-use your butchered cable for other antenna tests - even put alligator clips on its end.

And it's already (almost) too late to even do that!
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