I have a 402 over a TH6DXX about 10 feet apart and both antennas work ok.
Maybe it is the seperation. Can you get it 8 to 10 feet apart? I am
using a 2 inch OD .25 wall ChromeMoly Mast. Works good..
Hope you get it solved.
Jim
At 06:29 PM 10/17/98 +0100, Scott Bullock wrote:
>
>Hi all! Spent today getting the new 2 el 40 up on the tower,everything went
>well, crane in and out in about 5 hours, removed the a3ws/30m kit, and
>installed the new 40. Preliminary indications show it being 10-15 db better
>than a butternut hf2v with elevated radials.
>
>Now the bad news....11' separation over a th7, and the th7 swr curve is now
>shot all to hell. It raised the resonant point 100 khz, and increased the
>cw end swr to 1.9:1 from 1.4:1. So there seems to be major interaction.
>Need to play on 15 tomorrow and see what it does towards Eu and Africa.
>Maybe tonite on JA too.
>
>So, I guess if the th7 doesn't seem to be performing, then I'll have to
>rotate the booms 90 degrees and see what happens. For those guys that said
>no interaction, wrong. I plotted the swr on the th7 on all bands every 50
>khz this morning before we changed out the antennas too. Haven't replotted
>the 20/10 swr yet, but will do that later.
>
>73,
>Scott
>KA1CLX
>
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