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On Thu, 03 May 2007 20:02:52 -0400, Vinnie S.
wrote: +++ +++ +++By band how much outside teh normal 40 channel band are you expecting +++to operate? +++ +++I used a single loop on 6 meters and got about 600KHz bandwidth with +++good results. A single loop is rather easy to build and rather cheap. +++There are more pronounced nulls off the quad loop compared to a +++dipole. Also th efeed impedance is about 100 Ohms so a simple quarter +++wave section of 75 Ohm cable will be all that is needed to match the +++antenna. +++ +++james +++ +++ +++Just 11 meters. I have a Hustler 5BTV for my ham rig. I just wanted to try it +++because it looked cool. I am confused about the 75 ohm cable you mention. +++ +++Vinnie S. *********** Tomatch an antenna that is around 100 Ohms impedance needs only what is called a quarter wave matching stub. It is simply an electrical quarterwave length of 75 Ohm coax from the feedpoint to the 50Ohm transmission line. Simple and works well. james |
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