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Re: Is it my KX3/antenna or is it lousy band condx?

Posted by rich hurd WC3T on Aug 13, 2017; 1:18pm
URL: http://elecraft.85.s1.nabble.com/Is-it-my-KX3-antenna-or-is-it-lousy-band-condx-tp7633243p7633333.html

Good point; thanks.

On Sun, Aug 13, 2017 at 08:43 Bob McGraw K4TAX <[hidden email]> wrote:

> Forget about "what you've been told".   Do your own research using various
> publications such as ARRL Antenna Book or other like publications.
>  Personally in the "I've been told" area, it seems hams have more
> incomplete and inaccurate information than correct and complete information.
>
> Bob, K4TAX
>
>
> Sent from my iPhone
>
> > On Aug 13, 2017, at 7:31 AM, rich hurd WC3T <[hidden email]> wrote:
> >
> > Hi all, particularly Walter (since he mentioned it):
> >
> > I've been bedeviled by a question with multiple possible answers.
> >
> > I'm a fan of the idea of using a field antenna as Walter describes by
> using
> > a BNC - to binding post connector directly to the radio.
> >
> > I'm leery of that because it flies in the face of what I've been told
> about
> > these antennas:  I'm assuming the radio BNC connection is unbalanced and
> > the wires form a balanced antenna, more or less.  I've seen deployments
> > with end-fed 9:1 baluns and without, even documented on YouTube with
> great
> > successes.
> >
> > I can tell you that the 9:1 balun setup doesn't seem to be working for my
> > current field deployment but I'd sure like to understand why a balun
> isn't
> > recommended in this setup.  I'd love to just take the wire and put it on
> my
> > WonderPole and go for it, but I'd like the understanding first.    Why
> does
> > this work?   :)
> >
> > Thanks.
> >
> > On Fri, Aug 11, 2017 at 13:19 Walter Underwood <[hidden email]>
> > wrote:
> >
> >> You can get a quick look at band conditions at
> http://bandconditions.com <
> >> http://bandconditions.com/>
> >>
> >> Using Buddistick on 40 m is a real challenge. I would not be surprised
> if
> >> that was an S-unit or more below a full-size dipole.
> >>
> >> Try the simplest field antenna for the KX3, two wires connected directly
> >> to the rig. Get a BNC to double binding post adaptor. Get a wire 26 to
> 29
> >> feet long, throw it in a tree and hook one end to the red post. Get a 16
> >> foot wire, lay it on the ground and connect it to the black post. Let
> the
> >> ATU tune it and see you can hear.
> >>
> >> wunder
> >> K6WRU
> >> Walter Underwood
> >> CM87wj
> >> http://observer.wunderwood.org/ (my blog)
> >>
> >>> On Aug 11, 2017, at 9:54 AM, Tommy <[hidden email]> wrote:
> >>>
> >>> The band has been really crappy lately. Keep tuning around and
> listening.
> >>>
> >>> 73!
> >>>
> >>> Tom - KB2SMS
> >>>
> >>>
> >>>
> >>>> On 08/11/2017 12:33 PM, Mike Parkes wrote:
> >>>> Okay I am reaching our to the Elecraft enthusiasts here for some
> >> feedback
> >>>> if anyone cares to chime in.
> >>>> I am just getting back on the air after years away from the hobby, so
> I
> >> am
> >>>> not that familiar with band conditions in general. It looks like the
> >>>> sunspot cycle is heading for the cellar (if it isn't already there).
> >>>>
> >>>> Recently bought a KX3 and a Buddistick vertical (like, 2 weeks ago).
> >> Love
> >>>> the KX3 it is a great radio... however... so far my efforts to hear
> >> much of
> >>>> anything, much less make a contact with someone, has been frustrating
> to
> >>>> say the least. I live in an apartment and am surrounded by power lines
> >> for
> >>>> one thing. The background noise level on 40 is pretty bad varies but
> is
> >>>> s7-9 mostly. I  took my setup to a nearby park and the bands were
> >>>> definitely quieter. So the local manmade noise level is an issue (and
> >> one
> >>>> reason I chose the KX3 was the hope that its rcvr and filtering could
> >> help
> >>>> with that.)
> >>>>
> >>>> Have yet to make a single contact, so I am just wondering if I just
> >>>> happened to choose a really lousy period of solar conditions for HF?
> Or
> >> is
> >>>> the base loaded vertical a joke?
> >>>>
> >>>> I would love to be able to find another ham even close by just to try
> >> and
> >>>> get some sort of an HF QSO even if it is with someone down the block.
> >>>> ...I can tune down to the AM broadcast band and was able to hear some
> >> local
> >>>> AM stations. :)
> >>>>
> >>>> Mike AB7RU
> >>>>
> >>>> (On a side note the tuner in the KX3 is great!. That thing was able to
> >> get
> >>>> a match for 80 meters on the Buddistick which was showing something
> like
> >>>> 25:1 swr. The KX3 tuner clicked and rattled for a while and found a
> >> match
> >>>> to <2:1. Not sure how much actual RF is going out, probably not
> much...
> >> but
> >>>> I was amazed it could tune to that high an SWR.)
> >>>> ______________________________________________________________
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> > --
> > 73 (or 72 for the QRP folks),
> > Rich Hurd / WC3T
> > DMR ID: 3142737
> > Northampton County RACES
> > EPA-ARRL Public Information Officer for Scouting
> > Latitude: 40.761621 Longitude: -75.288988  (40°45.68' N 75°17.33' W)
> Grid:
> > *FN20is*
> > ______________________________________________________________
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> >
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> > Please help support this email list: http://www.qsl.net/donate.html
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>
>
> --
73 (or 72 for the QRP folks),
Rich Hurd / WC3T
DMR ID: 3142737
Northampton County RACES
EPA-ARRL Public Information Officer for Scouting
Latitude: 40.761621 Longitude: -75.288988  (40°45.68' N 75°17.33' W) Grid:
*FN20is*
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