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Re: Advice on antenna building project



Your set-up is what I am working towards.  :-)
Thanks for the info and the point of proof.

robin


----- Original Message ----- 
From: "kc6uqh" <kc6uqh@cox.net>
To: "Robin Callender" <robin_callender@hotmail.com>; "Justin Burket" 
<zorton@jtan.com>; <amsat-bb@amsat.org>
Sent: Tuesday, September 06, 2005 9:42 PM
Subject: Re: [amsat-bb] Advice on antenna building project


> Robin, and Justin,
> I have a 70 cm QFH (Quadrifilar Helix antenna) working I used a 1 
> Wavelength long design. It works great and when tuned to AO-51 I hear it 
> for most of the pass. Just set the squelch on the radio and set frequency 
> to 435.310 and work stations when the bird is in view. no keps necessary!
> Art, KC6UQH
> (Taking the path of least resistance)
>
> ----- Original Message ----- 
> From: "Robin Callender" <robin_callender@hotmail.com>
> To: "Justin Burket" <zorton@jtan.com>; <amsat-bb@amsat.org>
> Sent: Tuesday, September 06, 2005 7:51 PM
> Subject: Re: [amsat-bb] Advice on antenna building project
>
>
>> Hi Justin,
>>
>> About 8 months ago, I built a QHA to receive weather satellite images.
>> I used the "Tall Narrow QHA" design (just google for this phrase).
>> It was suprisingly easly to build and has worked out quite will for me.
>> It took about one weekend to build (light weekend work).
>> This assumes you're comfortable with soldering copper tubing.
>> (If you go to http://foldedtoadfroth.blogspot.com , towards the bottom 
>> you can find a picture of this QHA.)
>>
>> I just started a new job, but as soon as things settle down I want to 
>> build a 70cm QHA.
>> I have heard that they are a little more demanding, but not too much.
>> Here is a link to an inspirational QHA site which has some 70cm designs 
>> http://www.jcoppens.com/ant/qfh/index.en.php
>>
>> I have also been contemplating what it would take to build a L-band QHA.
>> Some interesting bits can be found at 
>> http://www.jcoppens.com/ant/qfh/fotos_gps.en.php
>>
>> I say "go for it" and build either antenna or both antennas...its a 
>> cheap, fun way to gain some experience!
>>
>> 73s
>> Robin   KE7ARL
>>
>>
>> ----- Original Message ----- 
>> From: "Justin Burket" <zorton@jtan.com>
>> To: <amsat-bb@amsat.org>
>> Sent: Tuesday, September 06, 2005 10:18 AM
>> Subject: [amsat-bb] Advice on antenna building project
>>
>>
>>> Good day,
>>>
>>> I've been toying with the idea of putting up a either a discone or quad 
>>> helix antenna here at my QTH.  I currently live in an apartment and 
>>> don't have the money nor the room to put up a full rotatable setup.  I 
>>> began to look into various antennas that I could homebrew and think the 
>>> discone or quad helix would be one of the best bets.
>>>
>>> Has anyone on the list worked with either of these antennas?  What are 
>>> the advantages or disadvantages of each?
>>>
>>> And finaly, does anyone have construction information?  I'm hoping to 
>>> homebrew something.
>>>
>>> 73,
>>> KL1RL
>>> Justin
>>> ----
>>> Sent via amsat-bb@amsat.org. Opinions expressed are those of the author.
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>> ----
>> Sent via amsat-bb@amsat.org. Opinions expressed are those of the author.
>> Not an AMSAT member? Join now to support the amateur satellite program!
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----
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