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Subject:
From:
Gerry Leary <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Sun, 15 Jan 2012 05:25:36 -0700
Content-Type:
text/plain
Parts/Attachments:
text/plain (103 lines)
Use an alligator clip.
----- Original Message ----- 
From: "Dan B Dyer Jr,/Danny" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Saturday, January 14, 2012 1:30 PM
Subject: Re: A QRP portable antenna and question


> you can atatch the counterpoise wire wound once and twisted around the
> outside/ground, sheald, whatever, of the BNC conector, or, for that 
> matter,
> if it's thin enough in diameter, you can atatch it to the outside of the 
> BNC
> conector on the radio itself, making sure the loop of wire is slid down 
> the
> outside of the bnc plug as far as it will go, then atatch the BNC conector
> with the 24 foot wire atatched to its' center pin , as you normally would,
> to the radio.  Even without a ground lug or screw or conection as such, on
> the radio, the outside of the BNC conector is, in fact, the ground side of
> that conector, and should work nicely.  HTH, Danny.
> ----- Original Message ----- 
> From: "Scott Howell" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Saturday, January 14, 2012 3:19 PM
> Subject: Re: A QRP portable antenna and question
>
>
>> Thanks gents.
>>
>> First the radio does not have a ground connector, this is an Elecraft =
>> KX1. David, when you say screen of the connector I assume you mean the =
>> outer portion of the connector correct? This is a BNC connector.
>>
>> THanks,
>> 73
>> Scott/N3BYY
>> On Jan 14, 2012, at 3:11 PM, Gerry Leary wrote:
>>
>>> I would connect to the ground terminal on the Radio.
>>> ----- Original Message -----=20
>>> From: "Scott Howell" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Saturday, January 14, 2012 11:37 AM
>>> Subject: A QRP portable antenna and question
>>>=20
>>>=20
>>>> Hey good people,
>>>>=20
>>>> Well all this antenna talk got me thinking about an antenna solution =
>> for =3D
>>>> my KX1. I was reading a Q&A on the Elecraft site and they recommended =
>> a =3D
>>>> 24-foot piece of wire connected to the center of a BNC connector. =
>> THen =3D
>>>> you would attach a 16-foot piece of wire. However, what was not =
>> stated =3D
>>>> and what I wanted to know (not having put hands on this =
>> configuration) =3D
>>>> where do you connect the 16-foot piece of wire that is acting as a =3D
>>>> counterpoise?
>>>> Here is what Elecraft states on their site.
>>>> Q:  What's your favorite field antenna?  A:  A rotatable log-periodic =
>> at =3D
>>>> 100', fed with home-made ladder line. (Just kidding!) What we =
>> recommend =3D
>>>> in the KXAT1 manual for 40-20 m is about 24' of #26 insulated =3D
>>>> copper-clad steel antenna wire (available from The Wireman), used as =
>> a =3D
>>>> vertical or "sorta-vertical" radiator. You'll also need at least one =
>> =3D
>>>> ground radial, 16' or longer (more on that below). The wire can be =3D
>>>> tossed into a tree, or, if a tree is not available, supported by a =3D
>>>> portable mast or other support. The 24' length can be loaded on all 
>>>> =3D=
>>
>>>> three bands (20, 30 and 40 meters), and the wire itself weighs under =
>> 1 =3D
>>>> ounce. Performance of this antenna varies with wire length, height, 
>>>> =3D=
>>
>>>> ground characteristics, and the nature of surrounding objects, but in =
>> =3D
>>>> general will be much better than a short, loaded vertical, and may =3D
>>>> outperform a low-mounted dipole or inverted vee. Even on 40 meters, =
>> the =3D
>>>> 24' length will perform very well once matched by the tuner. A 33' =
>> wire =3D
>>>> length should be avoided since it's close to a half-wave on 20 =
>> meters. =3D
>>>> For 80 m, a resonant antenna is recommended. It should be possible to =
>> =3D
>>>> use an 80 m antenna on multiple bands. A loading coil is another =3D
>>>> possibility to get a shorter antenna running on 80 m.
>>>>=20
>>>> So, Just trying to figure out the best way to do this and input =3D
>>>> appreciated. Yeah I should be getting good at antennas before long =
>> since =3D
>>>> I have to put something together.
>>>>=20
>>>> Thanks,
>>>> 73
>>>> Scott/N3BYY=3D=20 

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