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[TowerTalk] Re: TowerTalk Digest, Vol 5, Issue 27

To: <towertalk@contesting.com>
Subject: [TowerTalk] Re: TowerTalk Digest, Vol 5, Issue 27
From: ae8u_1@ameritech.net (Dave)
Date: Sun May 18 20:23:19 2003
Yes Ed Fluidmotions did have a full size 4 el on display.Very impresive I might 
add as well.I was also informed they are planning to offer a 40 - 15 meter 
model next year.
Dave, AE8U

towertalk-request@contesting.com wrote:

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>
> Today's Topics:
>
>    1. Re: HELP!!!!
>    2. RE: Gap and EH Antennas (David Robbins K1TTT)
>    3. 4el SteppIR at Dayton? (Ed Kucharski)
>    4. J bolts for TX455 (VeeAthreePL)
>    5. Re: HELP!!!! (Jim Lux)
>    6. EH Antennas and Dr. Demento, Gap 75/80?
>    7. Another Question???? (Joe Palmer)
>    8. Re: Another Question???? (Tom Anderson)
>    9. Re: Another Question????
>   10. Re: Another Question????
>   11. 80/75 M Antennas (James R. Duffey)
>   12. Re: Another Question???? (hasan schiers)
>   13. Re: Another Question????
>
> ----------------------------------------------------------------------
>
To: <towertalk@contesting.com>
> Date: Sun, 18 May 2003 12:00:41 EDT
> From: K7LXC@aol.com
> To: jimlux@earthlink.net, towertalk@contesting.com
> Subject: Re: [TowerTalk] HELP!!!!
> Message-ID: <a7.31ffefb0.2bf90829@aol.com>
> Content-Type: text/plain; charset="US-ASCII"
> MIME-Version: 1.0
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>
> In a message dated 5/17/03 4:30:17 PM Pacific Daylight Time,
> jimlux@earthlink.net writes:
>
> > Contest folk might choose antennas for many reasons other than RF
> >  performance: durability, good performance in a stack, cost.
>
>     Nope. "Performance Uber Alles".
>
> Cheers,
> Steve     K7LXC
> TOWER TECH
> ------------------------------
>
To: <towertalk@contesting.com>
> Date: Sun, 18 May 2003 16:09:08 -0000
> From: "David Robbins K1TTT" <k1ttt@arrl.net>
> To: <towertalk@contesting.com>
> Subject: RE: [TowerTalk] Gap and EH Antennas
> Message-ID: <006001c31d57$d0592810$0800a8c0@k1ttt1>
> In-Reply-To: <p0432041bbaed5961e293@[192.168.0.2]>
> Content-Type: text/plain;
>         charset="US-ASCII"
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> Message: 2
>
> >
> > If, as I suspect, the "EH" antenna of which you speak is the infamous
> > crossed-field antenna, or "CFA", be warned that at best it's a big
> > mistake, and at worst it's a hoax.  The feedline to a CFA does most
> > of the radiating, not the putative antenna.  IMO, some CFA proponents
> > are out-and-out crooks, but most are innocently mistaken.
>
> The cfa and eh are different, but your description applies to both.
>
> David Robbins K1TTT
> e-mail: mailto:k1ttt@arrl.net
> web: http://www.k1ttt.net
> AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
>
>
> ------------------------------
>
To: <towertalk@contesting.com>
> Date: Sun, 18 May 2003 12:23:02 -0400
> From: Ed Kucharski <k3dne@adelphia.net>
> To: <towertalk@contesting.com>, SteppIR@yahoogroups.com
> Subject: [TowerTalk] 4el SteppIR at Dayton?
> Message-ID: <5.1.1.6.0.20030518121715.00b30730@pop.dc2.adelphia.net>
> In-Reply-To: <006001c31d57$d0592810$0800a8c0@k1ttt1>
> References: <p0432041bbaed5961e293@[192.168.0.2]>
> Content-Type: text/plain; charset="us-ascii"; format=flowed
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> Message: 3
>
> I didn't get to go to Dayton this year...I was wondering if the FluidMotion
> folks had the new 4 element SteppIR antenna on display and if so, what did
> y'all think?
> 73,
> Ed K3DNE
>
> ------------------------------
>
To: <towertalk@contesting.com>
> Date: Sun, 18 May 2003 13:21:49 -0400
> From: "VeeAthreePL" <va3pl@cuic.ca>
> To: <towertalk@contesting.com>
> Subject: [TowerTalk] J bolts for TX455
> Message-ID: <000001c31d61$f804c040$b702a8c0@ABS>
> In-Reply-To: <a7.31ffefb0.2bf90829@aol.com>
> Content-Type: text/plain;
>         charset="iso-8859-1"
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> Message: 4
>
> Anybody knows what the proper diameter is and length of the foundation
> bolts (J bolts) for TX455 crank up tower? Length of J section would also
> help but I think it is not important as much as lengths.
>
> 73 de Andy va3pl@rac.ca
>
> ------------------------------
>
To: <towertalk@contesting.com>
> Date: Sun, 18 May 2003 10:41:20 -0700
> From: "Jim Lux" <jimlux@earthlink.net>
> To: <K7LXC@aol.com>, <towertalk@contesting.com>
> Subject: Re: [TowerTalk] HELP!!!!
> Message-ID: <001c01c31d64$b1ac4ca0$02a8a8c0@office1>
> References: <a7.31ffefb0.2bf90829@aol.com>
> Content-Type: text/plain;
>         charset="iso-8859-1"
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>
> ----- Original Message -----
> From: <K7LXC@aol.com>
> To: <jimlux@earthlink.net>; <towertalk@contesting.com>
> Sent: Sunday, May 18, 2003 9:00 AM
> Subject: Re: [TowerTalk] HELP!!!!
>
> > In a message dated 5/17/03 4:30:17 PM Pacific Daylight Time,
> > jimlux@earthlink.net writes:
> >
> > > Contest folk might choose antennas for many reasons other than RF
> > >  performance: durability, good performance in a stack, cost.
> >
> >     Nope. "Performance Uber Alles".
>
> But what is "performance"?
>
> Consistent gain and pattern regardless of orientation?
> F/B ratio
> F/Sidelobes ratio
> Forward gain
> Forward directivity
> Broadband feed point impedance so losses in Tx line are minimized
> Lack of sensitivity to environment (i.e. the other single band Yagis in the
> stack)
> Reliability (so you don't have to climb the tower in the middle of the
> contest?)
>
> My point was that "performance" can cover a lot of ground, and even for
> contestors, there's a lot of dispute about exactly what constitutes "best"
> (otherwise they'd all go out and buy the same antenna, no?).
> >
> > Cheers,
> > Steve     K7LXC
> > TOWER TECH
> > _______________________________________________
> >
> > See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any
> questions and ask for Sherman, W2FLA.
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
>
> ------------------------------
>
To: <towertalk@contesting.com>
> Date: Sun, 18 May 2003 14:51:47 -0400
> From: Dinsterdog@aol.com
> To: towertalk@contesting.com
> Subject: [TowerTalk] EH Antennas and Dr. Demento, Gap 75/80?
> Message-ID: <088AE7B1.61B7897E.0B01B717@aol.com>
> Content-Type: text/plain; charset=iso-8859-1
> MIME-Version: 1.0
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> Message: 6
>
> 1.  Well the EH websites sure looked neat! I would comment that according to 
> many who helped me a few years ago with an Isotron for 160M, most claimed my 
> amazing radiation into places like Utah and Arizona from my Denver QTH were 
> mostly off the coax feeding the antenna too- But it did work 11 states and XE 
> and VE.................the design has since been changed-
>
> 2. Didn't mean to insult anyone by mixing the Gap with EH antennas, its just 
> one website lead to another etc..........type in assymetrical half wave 
> dipole antenna in your web browser and look what comes up-
>
> 3-5.  The issue here is running an effective 80 meter DX antenna (one with a 
> low angle), without the need for guys (under 25 or so feet) , without the 
> need for radials (thus, a half wave design) , and without a high Q (no 
> Isotrons), so as to work/hear real juicy DX into far away zones and exotic 
> islands etc....from my puny yard in Denver at sunrise or EU's sunrise-
>
> 6. Many have brought up loop antennas for the receive antenna and keep a 
> vertical that can take the power, be it a multiband like a Butternut or 
> Hygain... Nope!  The vertical needs radials and besides, thats cat play...I 
> worked several JA's with my Hustler 6BTV but only when I could actually hear 
> the other station this past winter. Rare on most mornings......
>
> 7.  Hearing them was rare over the noise, thus, a need for a quieter antenna- 
> Thus looking into Gap's claim of a quieter design etc.....I have the Titan, 
> it's a lot quieter, and here we are! Har!
>
> 8.  Loop receive antenna......Not a bad idea except all the 756 series have a 
> tendency to have their surface board mounted fuses blow up if anything is 
> hooked up to their external antenna receive jack.  And they do not have A/B 
> antenna switching like the old Kenwood 940's etc whereas you transmit on A 
> and listen on B or visaversa....this circuit never fried but try finding a 
> nice 940- .........so I am stuck with just one antenna port for rx and tx 
> using my 756 Pro.  I guess I could manually push the A/B 756 switch but blah 
> on that-
>
> 9. I know, go out and buy a 940 or send in your 756 Pro fer the 33rd time to 
> get the circuit board fuse fixed- Gasp! No way-
>
> 10. With it's design, I really think Gap's Titan, or a 1/2 wave 80M 
> prototype, fits the bill. It's onto something- Could it be the new Gap 75/80M 
> 1/2 wave blaster!!! I know, MFJ makes one sort of like this already...the 
> 1792 for 40/80M which is top loaded BUT needs radials and guys-...But I need 
> a center fed 1/2 wave dipole design, with no radials, for just 75/80M and 
> I'll be happy!
>
> 11. Yes, I have heard of the Sigma 80, saw one too.....I have no room for the 
> guys needed to keep that puppy up- wish I did- I'm just a 80M junkie who 
> can't give up his glory days using a home made 4SQR- medication is the next 
> step-
>
> 73  Paul  N0AH
> ------------------------------
>
To: <towertalk@contesting.com>
> Date: Sun, 18 May 2003 15:35:32 -0400
> From: Joe Palmer <mayhill8@iapdatacom.net>
> To: towertalk@contesting.com
> Subject: [TowerTalk] Another Question????
> Message-ID: <3EC7E084.104E0DA3@iapdatacom.net>
> Content-Type: text/plain; charset=us-ascii
> MIME-Version: 1.0
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> Reply-To: mayhill8@iapdatacom.net
> Message: 7
>
> Tnx for all the replies on my Sommer antenna question......Most
> helpful.....
>
> Second choice, was Tennadyne LP Model T6 or T8.....
>
> Comments please.
>
> Agn, tnx es 73.
>
> Joe
> KS8M
>
> ------------------------------
>
To: <towertalk@contesting.com>
> Date: Sun, 18 May 2003 15:19:05 -0500
> From: Tom Anderson <ww5l@gte.net>
> To: mayhill8@iapdatacom.net
> Cc: towertalk@contesting.com
> Cc: Charles Brainard <tennadyn@satx.net>
> Cc: frosty <frosty1@pdq.net>
> Subject: Re: [TowerTalk] Another Question????
> Message-ID: <3EC7EAB9.C63FAE9D@gte.net>
> References: <3EC7E084.104E0DA3@iapdatacom.net>
> Content-Type: text/plain; charset=us-ascii
> MIME-Version: 1.0
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> Precedence: list
> Reply-To: ww5l@gte.net
> Message: 8
>
> Joe:
>
> I have several friends who have both models and have nothing but good
> things to say about them. Bill, W5SJ/VP2EJ used on on his
> mini-dxpedition to VP2 land and had wonderful results.  Bill said the
> T-8 he used at VP2 survived a hurricane  last year with only minor
> damage.  Bill is president of the Lone Star DX Association.
>
> Chuck Brainard at Tennadyne <tennadyn@satx.net> can answer any question
> you have. Also, Charles Frost, VP of the Texas DX Society, has a T-8 at
> his Houston area QTH and has high praise for it.
>
> Six of us are taking a Tennadyne T-6 on our 7P8 Dxpedition July 18-25.
>
> Tom, WW5L
> VP Lone Star DX Association
>
> Joe Palmer wrote:
> >
> > Tnx for all the replies on my Sommer antenna question......Most
> > helpful.....
> >
> > Second choice, was Tennadyne LP Model T6 or T8.....
> >
> > Comments please.
> >
> > Agn, tnx es 73.
> >
> > Joe
> > KS8M
> >
> > _______________________________________________
> >
> > See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
> > Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any 
> > questions and ask for Sherman, W2FLA.
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
>
> ------------------------------
>
To: <towertalk@contesting.com>
> Date: Sun, 18 May 2003 17:01:41 -0400
> From: Barockteer@aol.com
> To: mayhill8@iapdatacom.net, towertalk@contesting.com
> Subject: Re: [TowerTalk] Another Question????
> Message-ID: <0CCA98F6.2BB601DF.0A997DE2@aol.com>
> Content-Type: text/plain; charset=iso-8859-1
> MIME-Version: 1.0
> Content-Transfer-Encoding: 8bit
> Precedence: list
> Message: 9
>
> In a message dated 5/18/2003 2:35:32 PM Eastern Standard Time, 
> mayhill8@iapdatacom.net writes:
>
> > Second choice, was Tennadyne LP Model T6 or T8.....
>
> I vote for the STeppir 3 element. Much less mehcanical complexity, perfect 
> gain and f/b on any freq you want.
>
> Never owned one, but would buy one in a heartbeat if my KT-36XA fell down. 
> Never owned a tennadyne, but spent lots of time up my friend's tower fixing 
> one, if you get my drift...
>
> -Tony, K1KP
> ------------------------------
>
To: <towertalk@contesting.com>
> Date: Sun, 18 May 2003 17:49:48 EDT
> From: Dinsterdog@aol.com
> To: Barockteer@aol.com, mayhill8@iapdatacom.net, towertalk@contesting.com
> Subject: Re: [TowerTalk] Another Question????
> Message-ID: <150.1f5a55bc.2bf959fc@aol.com>
> Content-Type: text/plain; charset="US-ASCII"
> MIME-Version: 1.0
> Content-Transfer-Encoding: 7bit
> Precedence: list
> Message: 10
>
> What could break on a T6???? Used them for years- Outside EXTREME ice damage,
> the two I had stacked were awesome-
>
> Paul  N0AH
> ------------------------------
>
To: <towertalk@contesting.com>
> Date: Sun, 18 May 2003 11:00:08 -0600
> From: "James R. Duffey" <JamesDuffey@comcast.net>
> To: Dinsterdog@aol.com
> Cc: towertalk@contesting.com
> Subject: [TowerTalk] 80/75 M Antennas
> Message-ID: <BAED1838.6EE9%JamesDuffey@comcast.net>
> Content-Type: text/plain; charset=US-ASCII
> MIME-Version: 1.0
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> Precedence: list
> Message: 11
>
> Paul - I am sure that you have something twisted about;
>
> "I'm still searching for an effective 80 meter DX antenna that can offer the
> lowest signal to noise ratio..."
>
> You want a high signal to noise ratio, don't you? Most of us.
>
> You might consider separate receiving and transmitting antennas. Say a loop
> for receiving and a base or center loaded vertical for transmitting. The
> loop can be rotated to get maximum signal or to null out local noise
> sources. The base or center loaded vertical will have better efficiency,
> depending on the height of course. You might look at something like the
> Battle Creek Special. - Dr. Megacycle KK6MC/5
> ______________________
> James R. Duffey KK6MC/5
> Cedar Crest NM 87009 DM65
>
> ------------------------------
>
To: <towertalk@contesting.com>
> Date: Sun, 18 May 2003 18:21:51 -0500
> From: "hasan schiers" <schiers@netins.net>
> To: <mayhill8@iapdatacom.net>, <towertalk@contesting.com>
> Subject: Re: [TowerTalk] Another Question????
> Message-ID: <03c301c31d94$43628040$6701a8c0@netins.net>
> References: <3EC7E084.104E0DA3@iapdatacom.net>
> Content-Type: text/plain;
>         charset="iso-8859-1"
> MIME-Version: 1.0
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> Precedence: list
> Message: 12
>
> I had a T-10 up at the previous qth. Loved it.
>
> It maintained no less than a 17 dB f/b over it's entire 13-30 mhz range. I
> took many measurements with a step attenuator and couldn't find anything
> worse than 17 dB and above 20 was common.
>
> I put a T-6 up at this one. Love it.
>
> f/b isn't as good as the T-10, but still acceptable.
>
> Ruggedly built. Priced fairly, light, low wind load, works as advertized,
> and easy to assemble.
>
> I haven't used a tri-bander in nearly 10 years as a result of the superb
> performance of these Tennadyne Log Periodics. I have no illusions about
> gain, nor do I care.
>
> I have yet to find anyone that I want to work, that I don't get answers
> from. I was at 72' with the T-10 and I'm at about 52' with the T-6. If I
> call them, they answer, usually in the first call, sometimes 2nd or 3rd.
> Very rarely do I have to "work at it". That shows the antenna is not
> junk...it also shows that I call when propagation is favoring me and I
> probably have a sense of good timing.
>
> I also like not having to worry about the antenna during storms. It is such
> a low profile and so well built that I no longer think about it. Won't tear
> up rotors, bend masts, etc. It's gain is, of course, less than a monobander.
> Its f/b is better than a monobander across a wide freq range. On a narrow
> freq range the monobander is better...it just can't maintain its performance
> across 20m without giving up a lot of its gain...plus that's just one band.
>
> I wish the T-6 had 6m on it.
>
> The guy running the company is very responsive.
>
> They have held up very well in bad ice storms with high winds. Iowa can be a
> nasty winter climate, not to mention severe T-Boomers in the spring and
> summer.
>
> To anyone but a worshipper of the holy grail of forward gain on HF, I would
> highly recommend the Tennadyne LPs. On vhf and above, esp 2m and above,
> yagis and dishes are the only way to go.
>
> Hope this helps ya. 73
>
> ...hasan, N0AN
>
> ----- Original Message -----
> From: "Joe Palmer" <mayhill8@iapdatacom.net>
> To: <towertalk@contesting.com>
> Sent: Sunday, May 18, 2003 2:35 PM
> Subject: [TowerTalk] Another Question????
>
> > Tnx for all the replies on my Sommer antenna question......Most
> > helpful.....
> >
> > Second choice, was Tennadyne LP Model T6 or T8.....
> >
> > Comments please.
> >
> > Agn, tnx es 73.
> >
> > Joe
> > KS8M
> >
> > _______________________________________________
> >
> > See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any
> questions and ask for Sherman, W2FLA.
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
>
> ------------------------------
>
To: <towertalk@contesting.com>
> Date: Sun, 18 May 2003 19:55:51 -0400
> From: Barockteer@aol.com
> To: Dinsterdog@aol.com, mayhill8@iapdatacom.net, towertalk@contesting.com
> Subject: Re: [TowerTalk] Another Question????
> Message-ID: <7DF59FAB.27EA7AF0.0A997DE2@aol.com>
> Content-Type: text/plain; charset=iso-8859-1
> MIME-Version: 1.0
> Content-Transfer-Encoding: 8bit
> Precedence: list
> Message: 13
>
> I had questions about breakage on the Tennadyne logs. First time around, ice 
> buildup caused one of the longest elements to literally tear a big hunk out 
> of the boom. We took the back part of the antenna down, and rebuilt it with a 
> thicker wall piece.
>
> Sure enough, another ice storm   happened the following winter. This time, 
> the longest elements just bent downward at about 90 degrees.
>
> Same weather, no problems with the XA (which is a surprise, with the traps).
>
> I thought the construction was skimpy. And the customer service was lacking 
> too - no support, no call backs, ripoff prices for parts when he finally did 
> get a callback.
>
> I just think the Steppir spells the end of logs, unless you're into frequency 
> hopping HF spread spectrum...
>
> -Tony, K1KP
> ------------------------------
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
> End of TowerTalk Digest, Vol 5, Issue 27
> ****************************************


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