Pete,
Yes, this was discussed previously. I will do that.
Doug
Quoting Pete Smith <n4zr@contesting.com>:
> Instead of pursuing this here, why not take it to towertalk@contesting.com,
> where it will be on topic?
>
> 73, Pete N4ZR
>
> At 12:42 AM 12/19/2006, Doug wrote:
> >Robert,
> >
> >Your take on my operational status is fairly accurate. I am mechanical by
> >nature and have a limited knowledge in the electronics arena. This is why
> I
> >like to build antennas and work, (Limited), with amplifiers. This is the
> >part of the hobby that I can work in. Again, this is why that I rely on
> >'seasoned' amateurs for assistance.
> >
> >I have built many antennas, from dipoles to 6 element yagis. With that
> >said, I do not possess the knowledge to completely design my own antennas.
> >I rely on other's designs as a starting point and work from there.
> >
> >I posted the request here because I knew I would get responses from
> >'seasoned' amateurs that I respect and have greatly helped me in the past.
> >I sent an e-mail to the article's author, but have not received an answer.
> >I am sure he is busy, as all of us are.
> >
> >I truly respect and appreciate your post. I was hoping that someone who
> was
> >familiar with this type of antenna, or antennas that are physically
> >shortened could assist me with understanding how to check for resonance
> once
> >the antenna was manufactured.
> >
> >At the moment, I am limited to TV rotors, until my tower is erected. This
> >antenna appealed to this limitation.
> >
> >I plan to construct this antenna in the next couple of weeks. I will be
> >using 3/8" o.d. 316SS tubing for the elements. I am going to do away with
> >the wire end sections and bend the tubing to make the elements. I use a
> >Swagelok roller tubing bender that allows for > 120 degree bends.
> >
> >If this design works fairly well, I plant to build a 10M version. I see
> >that the 10M version was discussed from the 50's through the 80's. I will
> >probably order the past articles to see what they had to say.
> >
> >If the moderator takes issue with my post then so-be-it. My post is ham
> >related, (for learning purposes), and I do not see where it will cause him
> a
> >problem.
> >
> >Again, I appreciate your response.
> >
> >73, Doug
> >N9XTF
> >
> >
> >
> >-----Original Message-----
> >From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
> >Behalf Of Robert Chudek - KØRC
> >Sent: Monday, December 18, 2006 4:13 PM
> >To: amps@contesting.com
> >Subject: [Amps] QST Jan 06 (Off topic)
> >
> >Hello Doug,
> >
> >Yup, your question is off topic for this group, but I hope the moderator
> >will tolerate a few replies to your question.
> >
> >When I read your question and look at your callsign & QRZ listing, I
> >speculate you fall outside the "very seasoned 'professional' amateur
> >operator" who populate this forum! :-)
> >
> >I strongly encourage you to try your hand at building that antenna, or any
> >antenna, for that matter. Whether the result is a stunning success or
> hardly
> >outperforms a standard dipole won't be as important as what you will learn
> >along the way! Fabricating an antenna is similar to building an amplifier
> >because it combines mechanics/fabrication, electronics/RF theory, and of
> >course a bunch of magic!
> >
> >You may want to join the TowerTalk reflector because that groups focus is
> >primarily tower and support structures, but they also get into antenna
> >discussions from time to time. Oh, and of course, how to determine "true
> >north", bird deterrents such as "plastic owls", and how to prepare PL-259's
> >and seal them properly. Fun stuff!
> >
> >73 de Bob - KØRC in MN
> >
> >------------------------------
> >
> >Message: 9
> >Date: Mon, 18 Dec 2006 16:15:31 -0500
> >From: Doug <dcoffman@iquest.net>
> >Subject: [Amps] QST Jan 06 (Off topic)
> >To: "" <amps@contesting.com>
> >Message-ID: <1166476531.458704f35c8ca@webmail.iquest.net>
> >Content-Type: text/plain; charset=ISO-8859-1
> >
> >All,
> >
> >This is off topic for this group, however what is the consensus of the 17
> >meter "Wonder Bar" antenna?
> >
> >>From a stand point of low wind load and some directivity, this looks like
> a
> >
> >good project for my QTH. I do have questions concerning tuning and spacing
> >of
> >the elements.
> >
> >First off, is this beam actually worth building?
> >
> >I own the MFJ 249 (pre B version) and a Grid Dip Meter. I would like to
> >better
> >understand how to tune the elements for resonance.
> >
> >There were no formulae given or stated for construction of this beam or
> >construction of a similar beam on another band. A Google search did not
> >yield
> >much information. I was contemplating ordering the older QST articles that
>
> >were referenced.
> >
> >73,
> >
> >Doug - N9XTF
> >_______________________________________________
> >Amps mailing list
> >Amps@contesting.com
> >http://lists.contesting.com/mailman/listinfo/amps
> >
> >
> >
> >_______________________________________________
> >Amps mailing list
> >Amps@contesting.com
> >http://lists.contesting.com/mailman/listinfo/amps
>
>
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|