[TowerTalk] Gap Challenger Comparison Testing Studies

[Dan Schaaf]

I run a KW on 40 with no problems.

Dan Schaaf
K3ZXL
"In the Beginning there was Spark Gap"
www.k3zxl.com
----- Original Message ----- 
From: "Roger (K8RI)" <K8RI-on-TowerTalk at tm.net>
To: "Tower and HF antenna construction topics." <towertalk at contesting.com>
Sent: Sunday, April 25, 2010 6:13 PM
Subject: Re: [TowerTalk] Gap Challenger Comparison Testing Studies


>
>
> 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
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> TowerTalk mailing list
>>>>> TowerTalk at contesting.com
>>>>> http://lists.contesting.com/mailman/listinfo/towertalk
>>>>>
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>>
>>
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