[TowerTalk] Stacked Beams

k4sqr@juno.com k4sqr@juno.com
Fri, 8 Jun 2001 09:46:24 -0400


Eric, K8CCA;

See the FAQ section at www.hy-gain.com for suggested stacking distances.

GL,

Jim Miller, K4SQR
http://www.comteksystems.com
4-Square Experts, Stack Yagi
& Remote Antenna Switching Systems


On Fri, 8 Jun 2001 08:07:01 -0400 "Eric Moore"
<emoore@windemullerelectric.com> writes:
> Hello TT Guru's,
> 
> I am the process of redoing the antennas on my tower and was 
> concerned
> about interaction between the beams.  My Mast is 10' long 1-1/2" 
> diameter,
> mounted in a pointy top Rohn 25G with the Rotor installed in the 
> normal
> position (Yeasu G800).  I have about 8.5' of mast to work with.  I 
> have,
> starting at the bottom of the mast, and going up:
> 
> Mosley TA-34-XL-WARC (21' boom) (10-12-15-17-20Meters)
> Cushcraft 13B-2 (Mounted Horizontal) (15' boom) (2 Meters)
> Homebrew 15 Element Yagi for 432Mhz (Mount Horizontal) (10' boom)
> Top mounted GP-6 2M/440Mhz (10' tall vertical)
> 
> I also have a Radio Works Carolina Windom (CW-80) hanging off a 
> piece of 5'
> Uni-strut at the point where the pointy top starts it's angle into 
> the mast
> pipe.
> 
>  Tower is 40' tall if that matters.
> 
> My question to the group is what would the best spacing be to 
> minimize
> interaction between the beams.  As  you can see, I don't have very 
> much
> mast space, but don't really want to go any higher.
> 
> Thanks,
> Eric
> K8CCA
> 
> 
> 
> 
> List Sponsor: Are you thinking about installing a tower this summer? 
> Call us
> for information on our fabulous Trylon Titan self-supporting towers 
> - up to
> 96-feet for less than $2000! at 888-833-3104 <A 
> HREF="http://www.ChampionRadio.com">
> www.ChampionRadio.com</A>
> 
> -----
> FAQ on WWW:               http://www.contesting.com/FAQ/towertalk
> Submissions:              towertalk@contesting.com
> Administrative requests:  towertalk-REQUEST@contesting.com
> Problems:                 owner-towertalk@contesting.com
> 

Jim Miller, K4SQR
http://www.comteksystems.com
4-Square Experts, Stack Yagi
& Remote Antenna Switching Systems

List Sponsor: Are you thinking about installing a tower this summer? Call us
for information on our fabulous Trylon Titan self-supporting towers - up to
96-feet for less than $2000! at 888-833-3104 <A HREF="http://www.ChampionRadio.com">
www.ChampionRadio.com</A>

-----
FAQ on WWW:               http://www.contesting.com/FAQ/towertalk
Submissions:              towertalk@contesting.com
Administrative requests:  towertalk-REQUEST@contesting.com
Problems:                 owner-towertalk@contesting.com