[SixClub] New 6M antenna array up

[Jordan Arndt]

I have a crank up tower here and have always noticed that when nested, the
antenna works well for short single hop Es and some Au... thats at 30 feet...
At 48 feet , I reach a 'zone' where double hop signals pickup but about 3 db
and the single hops decay by about the same amount...Au is about the same...
When I put the tower to 60ft+ single hops signals are at least another 3 db
weaker, but the double hop and longer stuff really comes through...
There are times when no-one else locally will be hearing people I am hearing
with 5x5 signals...
I use a 7 element HB yagi on a 24 ft boom...it was computer optimized very
extensively before being built...

It works quite admirably..!!  73 de Jordan DO-21....

Rental Cars LLC John Carson wrote:

> Gary,
> Sounds super nice, you really did your homework on this antenna set
> up...how about posting a picture of it?
>
> 73,
>
> John Carson  kd5srw
> EM15hf
> Norman, OK!
>
> > Spent the past couple of weeks preparing and finally installing a new 6M
> > antenna with some new features I hope will be useful. I had a C3I 6
> > element (great, super robust, but heavy) up at 50' for the past couple
> > of years but always felt that the previous 5 over 5 stack (Rutland's)
> > seemed to play well. Actually that 5 over 5 got me 6M WAS in the
> > 1998-2000 timeframe with 100W from the east coast.
> >
> > But the stack always did not do well on shorter E skip, but did great on
> > the low angle stuff. So in order to get the most out of both worlds I
> > added a Array Solutions 6M StackMatch II. This allows me to select Top,
> > Bottom or both in phase and without 75 ohm phasing lines. Just 2 equal
> > length 50 ohm lines. There is an option to do an Out of Phase selection
> > but am not sure that will be to worthwhile on 6M.
> >
> > My new stack is comprised of a pair of Directive Systems (they make the
> > antennas for Down East Microwave) DS50-5's, which are 5 elements on a
> > 18' boom with 9.1dbd gain each. I also replaced all the flexi 9913 coax
> > with 1/2" Heliax to help improve my receive as much as possible. The
> > lower antenna is at 38' and the top at 51'.
> >
> > There has been no openings since I put up the stack up but have noticed
> > that the lower antenna by it's self picks up more noise than the top,
> > and with both phased the noise really drops and signals pick up
> > slightly.
> >
> > As I get to play with the stack switching I will be noting which setting
> > is best (Top, Bottom, Both) and will build up a spreadsheet as I get
> > enough data to input. Hopefully this will show the usefulness (or not)
> > of this kind of configuration.
> >
> > There are some pictures on my website.
> >
> > Gary Mitchelson
> > N3JPU Montgomery Co. MD  FM19
> > http://www.mitchelson.org/
> >
> > ______________________________________________________________
> > SixClub mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/sixclub
> > Help: http://mailman.qth.net/faq.htm
> > Post: mailto:SixClub at mailman.qth.net
>
> ______________________________________________________________
> SixClub mailing list
> Home: http://mailman.qth.net/mailman/listinfo/sixclub
> Help: http://mailman.qth.net/faq.htm
> Post: mailto:SixClub at mailman.qth.net