[TowerTalk] vhf steerable antenna

[Ryan <rt83021@alltel.net>]

You folks may laugh at this but here goes, I had a request from a fellow 
ham that just got his new license, he was a cber, and liked his super 
scanner antenna so much,the would like a 2 meter version made, I said I 
would look around, the basic design is pretty straight forward take 
three dipoles, place then in a triangle and support them with arms 
placed around a hub, but now it gets tricky, I don't have my old super 
scanner manual anymore otherwise I could probably do some scaling and 
make it work, here is what I am asking;
1)how far apart should the dipoles be, on the super scanner it seemed 
that it was far less than a 1/4 wave length.
2)where can I find the proper relays suitable for switching rf at 144MHz 
at a max of 200 watts and the proper locating of these relays in a 
remotely controlled relay box.
3)how long should the feedline to each of the elements be on the 
'scanner it seemed that it was just over 1/4 wavelength, like approx 3/8 
wavelength.
if you can help in any way it will be appreciated.
73 KC0QNB



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