Hi Shaun.
Then, this antenna will work like a charm for you.
73, de Lou K2LKK
At 03:47 PM 3/30/2008 +1100, you wrote:
>I have a tube rig, a nice little yaesu ft201. I'm going to get vision
>australia to convert the manual to audio for me so I can learn all about
>the thing. I even got a spare set of 6js6cs and the 12by7 driver.
>
>Shaun
>web sites:
>http://www.myspace.com/blindmanshaunoliver
>http://blindman.homelinux.org/~blindman/
>skype: brailledude
>
>
>On 30/03/2008 3:01 PM, the old scribe known as Louis Kim Kline was able
>to impart this pearl of wisdom:
> > Hi Shaun.
> >
> > It will work better on its harmonics if you shoot for 7100 KHz. It won't
> > increase the SWR that much at the top of the band. If you have a tube rig
> > it won't care, and if you are using an auto-tuner on a solid state rig, it
> > will be well within the range of the tuner--even on a TS2000S!
> >
> > 73, de Lou K2LKK
> >
> >
> >
> > At 01:26 PM 3/30/2008 +1000, you wrote:
> >> I was thinking of cutting the 40 meter dipole for about 7150 khz roughly
> >> the middle of the band.
> >>
> >> Shaun
> >> web sites:
> >> http://www.myspace.com/blindmanshaunoliver
> >> http://blindman.homelinux.org/~blindman/
> >> skype: brailledude
> >>
> >>
> >> On 30/03/2008 1:14 PM, the old scribe known as Louis Kim Kline was able
> >> to impart this pearl of wisdom:
> >>> Hi Shaun
> >>>
> >>> There is a little variation on the antenna that you are proposing that
> >> I've
> >>> found to be extremely effective over the years. It involves cutting one
> >>> antenna for the low end of 75 meters, say around 3800 KHz, and the other
> >>> one for about 7100 KHz. You then string them in an inverted vee
> >>> configuration off a center mast at right angles to each other. You tie
> >> one
> >>> leg of the 75 meter antenna and one leg of the 40 meter antenna to the
> >>> center conductor of your coax, and you tie the other leg of the 75 meter
> >>> antenna and the other leg of the 40 meter antenna to the braid of the
> coax.
> >>>
> >>> I had this antenna up at my previous QTH in Bergen, NY where I had a
> large
> >>> enough yard to string the antenna, and it loaded everywhere easily
> with an
> >>> auto tuner on 80 through 6 meters, and performed like a champ. There
> >> was a
> >>> couple of things about this antenna that was particularly nice. One
> thing
> >>> was that the SWR was fairly low on 75, 40, 15, 10, and 6 meters even
> >>> without an antenna tuner. It also seemed to play particularly nicely
> >> on 17
> >>> meters when run through the auto tuner.
> >>>
> >>> The only band that I found a few tuners that didn't like to load the
> >> system
> >>> was 20 meters, although the internal tuner in my Kenwood TS690S had no
> >>> problem with it, and the Icom AT180 tuner and the LDG AT11 loaded it
> right
> >>> up with no problem. The Dentron Super Tuner didn't like it, though.
> >>>
> >>> The other beautiful thing about this antenna is that it has a lot of
> >>> mechanical stability in high winds. The four perpendicular wires coming
> >>> off the center insulator also tend to act as guy wires for the center
> >> mast,
> >>> and I have watched that mast barely wiggle in 70 mile per hour winds.
> >>>
> >>> And, not only does the antenna load on all of those bands, but it will
> >>> stomp a G5RV into the ground when it comes to making contacts. If you
> >> have
> >>> the space, and can get it past the XYL, give it a try. I think you'll
> >> like
> >>> the results.
> >>>
> >>> 73, de Lou K2LKK
> >>>
> >>>
> >>>
> >>> At 12:55 PM 3/28/2008 +1100, you wrote:
> >>>> the problem with running a long wire is that my back fence is colorbond
> >>>> or however you spell it. it's that metal stuff anyways, and that eoulc
> >>>> either be a hinderence or a help depending on how I work things.
> >>>> I want to put up a dipole but I'm thinking of making two feed off the
> >>>> same coax although I'm not quite sure how to do it. I'm going to make
> >>>> one for 40 and 80 meters and one that will serve on 15 and 10 meters.
> >>>> I shall probably use galvinised pipe to hold the whole thing up. whether
> >>>> I want an inverted v configuration or not is the next question I need to
> >>>> ask myself.
> >>>>
> >>>> Shaun
> >>>> web sites:
> >>>> http://www.myspace.com/blindmanshaunoliver
> >>>> http://blindman.homelinux.org/~blindman/
> >>>> skype: brailledude
> >>>>
> >>>>
> >>>> On 28/03/2008 12:50 PM, the old scribe known as Colin McDonald was able
> >>>> to impart this pearl of wisdom:
> >>>>> are you going to run a random wire/long wire, or dipole configuration?
> >>>>> You'll need a tuner, or at least, something to test SWR if you run a
> >> random
> >>>>> wire. If you use the dipole configuration, you can get close enough to
> >>>>> resonance by careful measurement of the wire halves.
> >>>>> I'm sure you've probably gone over all this since I didn't closely
> follow
> >>>>> all the threads of late.
> >>>>> On the top of your house, do you have a chimney, or furnace exhaust
> >> outlet,
> >>>>> or even a fan vent? If so, you can use rope as an insulator and
> run the
> >>>>> wire from the top of the house down to the furthest point on the fence.
> >>>>> Use some 2 inch PVC if you want to get the fence end of the wire up a
> >>>> little
> >>>>> higher off the ground.
> >>>>> You can use rope, or heavy duty zip ties to secure the PVC to the fence
> >>>>> line.
> >>>>> If you use a random wire, or long wire, make sure you have some sort of
> >>>>> counter poise.....as much wire thrown down on the roof of the house, if
> >>>> that
> >>>>> is where you end up running the wire from, as possible.
> >>>>> I'm not sure if you have a fully fenced front and back yard or not, but
> >>>>> putting a 25 foot chunk of galvanized pipe up at the front corner, and
> >>>>> another pipe of similar length up in the back opposite corner would
> >>>> give you
> >>>>> a nice run and make it easier to run a dipole instead of an end
> fend long
> >>>>> wire.
> >>>>> And, if you have a long enough fence line, a long wire around the
> entire
> >>>>> fence line would probably work not to badly on 75/80 either.
> >>>>>
> >>>>> 73
> >>>>> Colin, V A6BKX
> >>>>>
> >>>>>
> >>>>> __________ NOD32 2979 (20080327) Information __________
> >>>>>
> >>>>> This message was checked by NOD32 antivirus system.
> >>>>> http://www.eset.com
> >>>>>
> >>>>>
> >>>>>
> >>>>
> >>>>
> >>>> --
> >>>> No virus found in this incoming message.
> >>>> Checked by AVG.
> >>>> Version: 7.5.519 / Virus Database: 269.22.1/1349 - Release Date:
> >> 3/29/2008
> >>>> 5:02 PM
> >>> Louis Kim Kline
> >>> A.R.S. K2LKK
> >>> Home e-mail: [log in to unmask]
> >>> Work e-mail: [log in to unmask]
> >>> Work Telephone: (585) 697-5740
> >>>
> >>>
> >>> __________ NOD32 2984 (20080329) Information __________
> >>>
> >>> This message was checked by NOD32 antivirus system.
> >>> http://www.eset.com
> >>>
> >>>
> >>>
> >>
> >>
> >>
> >> --
> >> No virus found in this incoming message.
> >> Checked by AVG.
> >> Version: 7.5.519 / Virus Database: 269.22.1/1349 - Release Date:
> 3/29/2008
> >> 5:02 PM
> >
> > Louis Kim Kline
> > A.R.S. K2LKK
> > Home e-mail: [log in to unmask]
> > Work e-mail: [log in to unmask]
> > Work Telephone: (585) 697-5740
> >
> >
> > __________ NOD32 2984 (20080329) Information __________
> >
> > This message was checked by NOD32 antivirus system.
> > http://www.eset.com
> >
> >
> >
>
>
>
>
>--
>No virus found in this incoming message.
>Checked by AVG.
>Version: 7.5.519 / Virus Database: 269.22.1/1350 - Release Date: 3/30/2008
>12:32 PM
Louis Kim Kline
A.R.S. K2LKK
Home e-mail: [log in to unmask]
Work e-mail: [log in to unmask]
Work Telephone: (585) 697-5740
|
