[TowerTalk] Re: Are higher HF antenna's really better?

[Jan Erik Holm]

ĻThis bounced before so 2:nd try.

Jan Erik Holm wrote:

> From the top of my head , if you feed them out of phase you will
> get a main loobe at around 30 degs, thatīs also a way to
> get a fill.
> I have a similar set up on 20 (65 over 135 ft) and sometimes it
> stinks in to USA when in phase but out of phase itīs a killer
> again, however long path in to VK/ZL  in phase is a giant killer.
> By the way, when there is high angle into USA a 4 el Yagi at
> 70 ft beats the stack with 10-15 dB if the stack is in phase.
> Now this was 20, on 10 and 15 I have similar stackīs (2 wl over 1 wl,
> 10 actually a bit higher) but on those bands it doesnīt pay off to have
> the in an out of phase switching. On 15 stack in phase is the best deal
> 90% of the time on everything and on 10 the stack is always best in
> phase on anything.
> I guess the sum of things are that if we are talking about 20/15/10 the
> only band you need to worry about is 20 if you have high antennas,
> this is ofcourse in general terms spoken.
> It might be different from other locations ofcourse
>
> 73, Jim SM2EKM



________________________________________________________________________
Where do you get ICE bandpass filters & beverage matching boxes?  The
same place that pays for the hosting of this list:  The eHam Store.
Order online at http://store.eham.net.
-----------------------------------------------------------------------

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