[TowerTalk] Cage dipole alternatives

[Jim Brown]

On Mon, 13 Apr 2009 17:32:21 -0400, john at 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