George, N4WM wrote:
I use 450 ohm ladder line to feed a 130 ft inverted vee. But, I don't bring
the 450 ohm line into the shack. I stop it at the eave of my roof, where it
is terminated in a 4:1 balun. From the balun to my homebrew tuner, I use a
piece of RG 213, which is approx 10 ft long. I
I use 450 ohm ladder line to feed a 130 ft inverted vee. But, I don't bring
the 450 ohm line into the shack. I stop it at the eave of my roof, where it is
terminated in a 4:1 balun. From the balun to my homebrew tuner, I use a piece
of RG 213, which is approx 10 ft long. In other words, the
In a message dated 5/14/06 1:08:55 PM Eastern Daylight Time,
[EMAIL PROTECTED] writes:
> 40 meter
> dipole that I will feed with 450 ohm 'window' line.
>
>
> I am planning to run the 'window' line all the way into the shack to the K2
>
> (which is about 5 or ten feet from the outside wall)
Ken K3VV wrote;
...one of the best pieces of advice was Don's suggestion to make the antenna
a bit longer than the ~66 ft required for a resonant half-wave dipole on 40
meters. As Don mentioned making the antenna longer will make it easier to
tune on 20 and 10
meters where a 66-ft antenna has an
You've gotten plenty of good advice, and one of the best pieces of advice
was Don's suggestion to make the antenna a bit longer than the ~66 ft
required for a resonant half-wave dipole on 40 meters. As Don mentioned
making the antenna longer will make it easier to tune on 20 and 10
meters where
Tom,
In any antenna system where the feedline operates with an SWR other than
1:1, the transmission line acts as an impedance transformer, and the
impedance seen at the feedpoint of the transmission line will depend on the
feedline length. The feedpoint impedance is not to be confused with the
ch
oe, aa4nn
- Original Message -
From: "Tom McCulloch" <[EMAIL PROTECTED]>
To:
Sent: Sunday, May 14, 2006 12:17 PM
Subject: [Elecraft] Antenna Feedline Question
Hi all,
I am running a barefoot K2 with various options, including the auto-tuner
and am getting ready to pu
Tom WB2QDG wrote:
I am running a barefoot K2 with various options, including the auto-tuner
and am getting ready to put up a new antenna. I've decided on a 40 meter
dipole that I will feed with 450 ohm 'window' line. This will be my only
antenna, at least for a while. I operate mostly on 40 m
Hi all,
I am running a barefoot K2 with various options, including the auto-tuner
and am getting ready to put up a new antenna. I've decided on a 40 meter
dipole that I will feed with 450 ohm 'window' line. This will be my only
antenna, at least for a while. I operate mostly on 40 meters (
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