On Mon, 13 Apr 2009 17:32:21 -0400, john@kk9a.com wrote:
>DX Blaster claims 400 KHz
>bandwidth for their 80m cage dipole. I am not sure how big their cage is,
>but it would have to be pretty large, or they have some other methode of
>obtaining this much bandwidth, assuming that they are measuring SWR at the
>antenna input.
If measured at the transmitter, losses in the feedline will significantly
reduce the apparent SWR (and increase the apparent SWR bandwidth). I use the
word "apparent" because the SWR at the antenna does not change, but drops
along the line as losses reduce the reflected power.
73,
Jim K9YC
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