Stuart,
New, high quality 450 ohm ladder line has a velocity factor of
0.90. Someone said his handbook said transmitting twin lead had a
velocity factor of .67. Suggest you follow up on this lead, as it
sounds reasonable
73, Chas W1CG
At 03:36 PM 1/26/2007, Stuart Rohre wrote:
>While many 50 ohm coaxes are in the Velocity factor range of 0.66, twin lead
>lines typically are 0.98.
>
>There are procedures to use an MFJ Antenna Analyzer to measure the exact Vp
>of any line. Running on batteries, you can do this for twin lines to better
>than ball park figures. I think these instructions for the MFJ use are on
>line. Google Search "MFJ 259 Instructions"
>
>Stuart
>K5KVH
>
>
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