[Antennas] Antenna Suggestions

2002年5月29日 19:30:06 -0700

How would it be to capacity load this as in some of the books, eg Low Band 
DXing? WOuld lower the resonace freq, I believe.
Chris opr VE7HCB
At 06:53 PM 2002年05月29日 -0700, Dan Evans, N9RLA wrote:
>Funny how these things happen, but I've been planning to put up an antenna
>very similar to the "tilted triangular loop" you fellas have been
>discussing.
>>Basically, I have 3 trees for supports. The tallest would put the apex of
>the triangle at about 60'. The two smaller trees would hold up the wire at
>around 30-35'. Two sides of the triangle would be around 80' long, and
>slope up from 30-35' high to the 60' apex. The low side would be around 40'
>long, and pretty much flat at the 30-35' height.
>>The problem. I figure the best place to feed this beast is at the apex.
>But to do this I would have to bring the ladder line down from the 60' level
>to about 8 or 10' high, then run the ladder line parallel to the antenna for
>about 30' to the shack. I've been told running ladder line parallel to an
>antenna is not a good thing.
>>Alternatively, I could feed it in the middle of one of the 80' sides and
>bring the ladder line straight down about 40' to the shack.
>>What do you guys think?
>>Right now I've been using an 88' dipole about 35' at the center and sloping
>down to about 15-20' at the ends. It seems to do a pretty darn good job for
>such a low antenna:-)
>>>73
>Dan
>Dan Evans N9RLA
>Scottsburg, IN 47170
>{EM78}
>IN-Ham list administrator
>QRP-l #1269
>1/2 of the N9RLA /R no budget Rover Team
>Check out the Rover Resource Page at:
>http://www.qsl.net/n9rla
>>>----- Original Message -----
>From: "Dan Martin" <[email protected]>
>To: <[email protected]>
>Sent: Wednesday, May 29, 2002 3:33 PM
>Subject: Re: [Antennas] Antenna Suggestions
>>> > A tilted, triangular, nearly full-wave loop? About 40 feet at the apex and
> > 10 feet, or so at the base?
>> > > Right now the hottest antenna that I have up is a "tilted triangular
> > nearly
> > > full-wave loop." It is almost a full wave on 80 - a little short - with
> > the
> > > apex at 40 ft and the base of the triangle at 10 feet and tilted about
>45
> > > deg from vertical.
>>- - -
>>Your moderator for this list is:
>Larry Wilson KE1HZ [email protected]
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