On Thu, 2008-05-08 at 20:58 -0700, Jim WA9YSD wrote:
> I did not say dipole, I said INVERTED VEE.
>
> Type N connector from what I can remember from a friends test at Zenith on
> the HF freqs had for all practical purposes a flat line impedance across the
> connector. The PL-259 had a huge jump in impedance. How much of an effect
> does that jump in impedance have on receive signals? Now, we did this about
> 1974 or so, so the quality of materials and frequency responses may have
> changed since then. How many of these connectors needs to be installed
> before a noticeable change in a week DX signal is detected? Do you count
> the Male and Female connector as one or two points of loss?
>
The impedance bump is less than an inch long. If the ring is really
tight, the impedance bump doesn't introduce loss so much as it
introduces a change of impedance seen through the connector. At HF you
probably can't measure that change without introducing 50 connector
pairs one after the other.
> BNC and C type connectors I see people are using these. This is good input
> and nice to hear. Darn good connectors.
>
> UHF PL type connectors are excellent. Do not get these confused with the
> common HF PL-259.
>
> Keep The Faith, Jim K9TF/WA9YSD
73, Jerry, K0CQ
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