Hi Don.

I fed it directly with the coax, although I see no reason why a 1:1 balun
wouldn't work.  I've just never bothered with the balun, and not had any
particular problem with the antennas that I've run.

73, de Lou K2LKK

At 02:43 PM 1/30/2005 -0800, you wrote:
>Lou,
>
>That's exactly what I'm thinking of putting up here.  Did you you feed the
>coax directly to the dipoles or through a balun?  Can't decide on which
>way to go
>with that.
>
>73
>
>Don  W6SMB
>
>On Sun, 30 Jan 2005 17:30:17 -0500, Louis Kim Kline wrote:
>
>Hi Keith.
>
>Feeding two dipoles from the same feedpoint works, and it can be quite
>painless if you keep everything at right angles because there is virtually
>no coupling between the dipoles when they are placed at right angles to
>each other.  I haven't the space to do 160 meters, but when I had 80 and 40
>meter dipoles set at right angles and fed with coax, the combined load from
>the two dipoles put the load within range of my auto tuner everywhere from
>80 meters through 6 meters.  Pretty versatile.  Admittedly, the efficiency
>wasn't terrific on some of the WARC bands, but it actually gave a darn good
>account of itself and did as well as my multiband vertical.  I had mine
>strung as inverted vees.  That might make a difference for multiband
>operation, as it tends to lower the feedpoint impedance, which may help to
>put the load within range of the tuner on some bands.
>
>On the system that I used, the vees were strung off the top of the mast and
>served two purposes:  they served as the radiator, and when properly
>tensioned, they also served as the guy wires for the mast, making the
>antenna system very stable in high wind conditions.  Aside from a major ice
>storm, I found this antenna to be very rugged in bad weather.
>
>The one element was cut for about 3820 kHz, while the other one was cut for
>7100 kHz.
>
>
>73, de Lou K2LKK
>
>
>
>
>At 09:54 PM 1/30/2005 +0000, you wrote:
> >Hi all,
>
> >Wonder if any one has compared the doublet fed with open wire line to
> >dipoles cut for the required bands.
>
> >My two bands of interest are 160 and 80 metres.  I am using a doublet
> >with a top of around 230 feet.
>
> >I was talking to a friend today with a similar setup on 80 metres.  He
> >went and cut the extra ends off and made it 132 feet in length and his
> >signal was reported some 10 db improved.
>
> >So, I am concluding that it is possible for a doublet to be too long and
> >the old saying to get as much wire in the sky is not always true.
>
> >So, just wondering if anyone has made meaningful comparrisons
> >between the doublet and dipoles.  What about the F7FE idea of feeding
> >more than one dipole from the same feeder?
>
> >My activity is devided between the two bands and I do not need the
> >aerial to work on any other band.  I had thought of traps but I use a high
> >power linear and would not wish to melt them.
>
>
> >Keith
>
> >- -
>
> >Keith Barrett
>
>
> >gw4nby
>
> >Bridgend
> >South Wales
>
>Louis Kim Kline
>A.R.S. K2LKK
>Home e-mail:  [log in to unmask]
>Work e-mail:  [log in to unmask]
>Work Telephone:  (585) 697-5753

Louis Kim Kline
A.R.S. K2LKK
Home e-mail:  [log in to unmask]
Work e-mail:  [log in to unmask]
Work Telephone:  (585) 697-5753