Shorten 1 inch both sides... or is 2" .....*or more* required to get 3.0 down to 1.4?
On Tue, May 9, 2017 at 10:22 AM, Travis Burgess via BVARC <bvarc@bvarc.org> wrote: > Better to shorten wire on end insulator and wrap it around itself than to > cut it. This way you keep the full capabilities of the > > antenna for future use. Also, the PSK and RTTY areas of the band are > close to the CW area. > > > Travis > > K5HTB > > > --------------------- > > No trees were harmed in the production of this message, however, a great > many electrons were > > terribly inconvenienced. > > > > ------------------------------ > *From:* BVARC <bvarc-boun...@bvarc.org> on behalf of NIzar Mullani via > BVARC <bvarc@bvarc.org> > *Sent:* Tuesday, May 9, 2017 10:11 AM > *To:* 'BRAZOS VALLEY AMATEUR RADIO CLUB' > *Cc:* NIzar Mullani > > *Subject:* Re: [BVARC] Inverted V dipole orientation > > > Gayle, > > > > The Alpha Delta wire dipoles are cut for the CW portion of the bands. This > way, you can cut them shorter to work on the SSB portion of the band. > > > > Nizar > > > > *From:* BVARC [mailto:bvarc-boun...@bvarc.org] *On Behalf Of *Gayle Dotts > via BVARC > *Sent:* Tuesday, May 9, 2017 8:02 AM > *To:* BRAZOS VALLEY AMATEUR RADIO CLUB > *Cc:* Gayle Dotts > *Subject:* Re: [BVARC] Inverted V dipole orientation > > > > Put an SWR meter to the 10 meter Alpha Delta DX-EE, results: > > > > Set to CW > > 28.488 2.9 > > 28.360 3.0 > > 28.300 3.1 > > > > the dipole is at 8 feet each side. > > > > Any Advise? > > > > Gayle > > KF5LVZ > > > > On Mon, May 8, 2017 at 11:35 AM, Gayle Dotts <gayle.do...@gmail.com> > wrote: > > Thank you guys. I orientated the wires so that I could with little effort > switch directions to accommodate. The degree of angle off straight up and > down I can play with. Elevation on the mast in an inverted V is around 35 > feet. > > > > Gayle > > KF5LVZ > > > > PS: I will say this from a 10M rotatable MFJ 1980 Moxon type antenna to > now a new Alpha Delta DX EE........ > > For observations on the 20M, 40M and 80M........traffic feels like it has > increased 70% on all bands with stations I had not heard before or the > ability to hear before. The 10M I will have to observe using the 10M nets > coming up to comment on. > > > > On Mon, May 8, 2017 at 10:52 AM, Jonathan Guthrie via BVARC < > bvarc@bvarc.org> wrote: > > As far as the North/South vs East/West question goes, if you know where > you want your signal to go, then you should absolutely orient your dipole > broadside to that direction. If you don't know where you want your signal > to go, or don't yet care, then do what people typically do and put it up in > whichever direction is most convenient. If you've got the money, the time, > and the space, you can always set up two of them at right angles to each > other and switch between them, depending on which one brings in the louder > signal. > > As far as making it straight goes (I think that's what you're asking, if > it's not, then please correct me) then as long as the legs aren't too close > together it won't have a huge effect on the radiation pattern. A right > angle is probably not "too close". I don't believe that the radiation will > be substantially less efficient, but you may get the energy directed in a > peculiar direction. The thing is, unless you know what you're trying to > achieve, the thing to do is to put something up and see what you get. If > you find that you communicate really well to nowhere you want to talk to, > then consider making changes or even trying your hand at some modelling to > see what it's really doing. > > The thing to understand is that all antennas interact with the environment > that they're in. That means that unless it's well isolated from nearly > everything your signal will go off in weird directions because it's near > the metal in your house or a shed or a fence or whatever. Trying to > anticipate that is of limited use, and probably not worth the effort until > you know what you're trying to do. > > > > On 5/7/2017 8:18 PM, Gayle Dotts via BVARC wrote: > > Setting up a inverted V multiband dipole 30 feet in the air and was > wondering should I orient the wires to begin with so broadside to the > dipole is North and South or should I orient it for East and West > broadside? I do know that broadside is where most of my signals will come > from...or does it really matter?? Also usually one sets up dipoles wires > so the combined asmith is close to 180 degrees. Can I do a 90 degree > combined asmith...... or will that decrease my signals? > > Thank you for your thoughts guys, I appreciate it! > > > > Gayle Dotts > > KF5LVZ > > > > _______________________________________________ > > BVARC mailing list > > BVARC@bvarc.org > > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org > > Message delivered to ka8...@ka8kpn.org > > > > > > -- > > Jonathan Guthrie KA8KPN > > > _______________________________________________ > BVARC mailing list > BVARC@bvarc.org > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org > > Message delivered to gayle.do...@gmail.com > > > > > > _______________________________________________ > BVARC mailing list > BVARC@bvarc.org > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org > Message delivered to gayle.do...@gmail.com > >
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