Topband: Easy Inverted L for 169 (NCJ M/A 2011) Info Needed

ZR zr at jeremy.mv.com
Wed Nov 9 06:23:33 PST 2011


Installing a dense radial field in the first 50' is the most important step 
for a small lot. Galvanized and plastic dipped rabbit fence works wonders 
for that. Solder wires to the ends to extend the radial field however you 
can.

Carl
KM1H


----- Original Message ----- 
From: "W0MU Mike Fatchett" <w0mu at w0mu.com>
To: <topband at contesting.com>
Sent: Tuesday, November 08, 2011 1:57 PM
Subject: Re: Topband: Easy Inverted L for 169 (NCJ M/A 2011) Info Needed


> If the feedpoint is elevated you should have 4 tuned radials.  If it is
> ground mounted it needs radial field just like a vertical.  32 is a
> decent number more is better of course.  They don't have to be 1/4
> either to work.
>
> The current balun or choke is best at the feedpoint but some will also
> put one at the radio.
>
> Mike W0MU
>
> J6M CQ WW DX CW Contest 2011
> J6/W0MU November 21 - December 1 2011
> W0MU-1 CC Cluster w0mu.net
>
>
> On 11/7/2011 9:30 AM, Mark Adams wrote:
>> Hi Gang,
>>
>> I am planning to try this antenna for the winter and need more 
>> information.
>> The author, NE0U, seems to have no known email address that I can find so
>> here goes.
>>
>>     1. I assume that the vertical radiator and the ground radial are both
>>     the SAME length. Correct?
>>     2. The sketch on page 20 shows the Ferrite Current Balun a the
>>     feedpoint, but the text of the article has it at the transmitter. 
>> Which is
>>     correct? Does it matter?
>>
>> Yes, I could goof around with these two items, but I'd rather just put it
>> up and dink around only if necessary.
>>
>> Thanks es 73,
>> Mark K2QO
>> K2 #543
>> FN03ra
>> _______________________________________________
>> UR RST IS ... ... ..9 QSB QSB - hw? BK
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK
>
>
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