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![]() "Dan Andersson" wrote in message ... Lee wrote: snip... Lee......G6ZSG..... Lee, Try mounting your loop horizontally instead. Look at the MFJ mag loop. Can`t afford the MJF on a pension besides for £50, mine works as well as the MJF probably better as i use copper tube, MJF use aluminium!! and mine was £350 cheaper......... Thought about horizontal and high but the neighbours object altho` my tower has been there before they moved in.......keeping the peace i suppose!!. By doing so, you will have a significantly lower pattern of radiation from your loop. You can also use a remotecontrolled LC network to change directivity of the mag loop without a rotor. However, it's simpler with a rotor. Yes, once again it`s the height. To avoid skewed directivity from your loop, you can feed it with a balanced, dual gamma match. Combined with a RF trafo with a centre tap on the secondary side ( antenna side ) connected to the zero point at the loop, you get a more equal pattern of radiation. I`m currently feeding with a faraday loop..... Don't bother increasing the mount unless you have electrically conductive objects nearby. A loop does not need a groundplane. That`s what i thought. As long as you can remotely tune and direct your mag loop, you actually have a rather good antenna. Don't listen to much to these who have acres of land and no neighbours but have fun making QSO's instead! Thanks. Lee.....G6ZSG..... Cheers Dan / M0DFI |
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