What about connector losses? I hope that the 220 feet is one long
continuous run.
Bill
K4IBC
Jim Reid wrote:
>
> To the group,>
>
> Also, using the 259B to measure the loss of my length of
> LMR, I measured the following:
>
> 1.830.....0.5 dB, or about 0.23 dB per 100 feet. LMR400 should
> be about 0.14 dB at 1.8mHz
>
> 3.520.....0.7 dB, or 0.32 per hundred, should be 0.2,
>
> 7.020.....1.0 dB, or 0,45 per hundred, should be 0.29,
>
> 21.020...1.6 dB, or 0.73 per hundred, should be 0.5.
>
> and this same slope continues all the way up the frequency scale;
> almost perfectly linear increase in loss with frequency, and
> always higher per 100 feet than what one would
> expect from LMR400. In fact, the loss "measures" higher than
> would be typically expected from 9913 and 4XLSuper8 coax.
>
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