[TowerTalk] AV-640 (was Gap Challenger Comparison Testing Studies)

Sun Apr 25 15:44:14 PDT 2010

How did you get the AV-640 to work on 160 ??

73, Dick, W1KSZ

> From: n7xy at clearwire.net
> Date: Sun, 25 Apr 2010 15:40:58 -0700
> To: towertalk at contesting.com
> Subject: Re: [TowerTalk] AV-640 (was Gap Challenger Comparison Testing	Studies)
> 
> I haven't had any insulator issues, but one of the 40 meter capacity  
> hat wires has a noticeable bend from putting it up single-handed.
> 
> I have had better-than-expected results on 160 at 100 watts (> 150  
> QSOs at distances up to ~1500 miles).  I wouldn't try running higher  
> power than that.
> 
> Bob N7XY
> 
> On Apr 25, 2010, at 3:13 PM, Roger (K8RI) wrote:
> 
> >
> >
> > Dan Schaaf wrote:
> >> Right, My AV-640 has worked the world, literally. I could spend a  
> >> lot of
> >> time telling stories .
> >> On 12 meters, ragchewed with N2WB op at VP6DX on 12 meters between  
> >> band
> >> opening. I was running 100 watts SSB
> >> Likewise on 30 and 40 I have 266 and 269 countries logged .
> >> You just have to keep an eye on the 17 meter stub insulator at the  
> >> top of
> >> the stub. The insulator can burn and short the stub to the main  
> >> radiator. I
> >> think it happened here once due to accidentally loading the  
> >> antenna on 160
> >> meters. That point on the stub became a high voltage point and the  
> >> insulator
> >> was wet from morning dew.
> >> Replaced the insulator and all was well again.
> >>
> > I've had a couple of the insulators break. (hit a tree on the way  
> > up and
> > down - Hired tree trimming crew, Strong wind blew small limb from
> > neighbor's lot and hit antenna) I made new ones from scrap 1/4" Lexan.
> > Just use one of the old ones for a template. I also found that if the
> > material from the broken one is sound, they can be "super glued" back
> > together and last quite well.
> >
> > Compared to sloping half wave dipole it does quite surprisingly  
> > well on 40.
> > Not meant for heavy duty QRO.
> >
> > 73
> >
> > Roger (K8RI)
> >
> >> Dan Schaaf
> >> K3ZXL
> >> "In the Beginning there was Spark Gap"
> >> www.k3zxl.com
> >> ----- Original Message -----
> >> From: "Bob Nielsen" <n7xy at clearwire.net>
> >> To: "Tower and HF antenna construction topics."  
> >> <towertalk at contesting.com>
> >> Sent: Sunday, April 25, 2010 4:40 PM
> >> Subject: Re: [TowerTalk] Gap Challenger Comparison Testing Studies
> >>
> >>
> >>
> >>> Try <http://www.championradio.com/HF-VERTICAL-PERFORMANCE-TEST-
> >>> METHODS-RESULTS.3>.
> >>>
> >>> The AV-640 was not included in the comparison, however it is quite
> >>> similar to the R8.  Based on the R8 data I decided to purchase a
> >>> AV-640 and have not been disappointed.
> >>>
> >>> Bob, N7XY
> >>>
> >>> On Apr 25, 2010, at 12:19 PM, Dan Schaaf wrote:
> >>>
> >>>
> >>>> This link only takes me to the home page. (http://
> >>>> www.championradio.com) I
> >>>> want to know where is the related comparison?
> >>>> I want to see how my AV-640 stacks up against the others.
> >>>>
> >>>> Dan Schaaf
> >>>> K3ZXL
> >>>> "In the Beginning there was Spark Gap"
> >>>> www.k3zxl.com
> >>>> ----- Original Message -----
> >>>> From: <K7LXC at aol.com>
> >>>> To: <towertalk at contesting.com>; <ka2qwc at verizon.net>
> >>>> Sent: Sunday, April 25, 2010 2:16 PM
> >>>> Subject: Re: [TowerTalk] Gap Challenger Comparison Testing Studies
> >>>>
> >>>>
> >>>>
> >>>>> In a message dated 4/25/2010 8:38:22 A.M. Pacific Daylight Time,
> >>>>> towertalk-request at contesting.com writes:
> >>>>>
> >>>>>
> >>>>>>  Has anyone done a study? evaluating? the GAP CHallenger  DX,?
> >>>>>> against
> >>>>>>
> >>>>> other verticals?
> >>>>> Butternuts, Hygain, CrushCraft, Steppir rtc..
> >>>>>
> >>>>>
> >>>>>>  If so I would like to see the results as the peratin to
> >>>>>> performance. I
> >>>>>>
> >>>>> am not intersted in anecdotal evidence just fact. If any one  has
> >>>>> performed
> >>>>> testing I would like to hear from you. If there is enough?
> >>>>> response I
> >>>>> will
> >>>>> summarize and post the results.
> >>>>>
> >>>>>    Yessireebob. To quote from _www.championradio.com_
> >>>>> (http://www.championradio.com) , "Now you can  read an unbiased
> >>>>> report on
> >>>>> how they really
> >>>>> performed. Antennas tested include  the Cushcraft R8, Butternut
> >>>>> HF6V, MFJ
> >>>>> 1798,
> >>>>> Force 12 ZR-3 and V-3, Diamond  CP-6, Hustler 6BTV and Gap Titan.
> >>>>> It's 64
> >>>>> pages of protocol, data sets and  summaries. Presented at the  
> >>>>> Dayton
> >>>>> Hamvention."
> >>>>>
> >>>>>    Not exactly the Challenger but full of lots of  actual data and
> >>>>> observations. It's the only on-the-air HF vertical comparison
> >>>>> report in
> >>>>> the world.
> >>>>>
> >>>>> Cheers,
> >>>>> Steve     K7LXC
> >>>>> Champion Radio Products
> >>>>> Cell: 206-890-4188
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>> _______________________________________________
> >>>>>
> >>>>>
> >>>>>
> >>>>> _______________________________________________
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> >>>>> TowerTalk at contesting.com
> >>>>> http://lists.contesting.com/mailman/listinfo/towertalk
> >>>>>
> >>>> _______________________________________________
> >>>>
> >>>>
> >>>>
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> >>
> >>
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