At 08:20 PM 4/16/2007, Tom Osborne wrote:
>Hi TT'ians
>
>I got my 3 vertical array up and running Sunday and it seems to be working
>pretty slick, switchable in 6 directions.
>
>I am using a 1/4 wave phasing line. I have misplaced my ON4UN Low Band
>DX'ing book (anyone got one for sale) here, but I seem to remember that a
>135 degree phasing line would be better.
>
>What I was wondering, can I measure the 135 degree line with my MFJ 259B
>just like I measured the 1/4 wave line? Will I get the same reading, being
>it is a 1/4 wave on the end of a 1/2 line.
>
>Or, what frequency is a 135 degree line for 40 meters a quarter wave for?
135 degrees = 3/8 wavelength, right? 50% longer than a 1/4 wave.
It's easiest to look for half wavelengths.. 1/4 wave at 7MHz is 1/2
wave at 14 MHz. but you want 50% longer.. 3/2 length = 2/3 frequency
-> 28/3 MHz = 9.33 MHz?
>That would make it simple to figure out. Thanks and 73
>Tom W7WHY
>
>_______________________________________________
>
>
>
>_______________________________________________
>TowerTalk mailing list
>TowerTalk@contesting.com
>http://lists.contesting.com/mailman/listinfo/towertalk
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|