[Elecraft] OT: Balanced Feedlines

[list1]

Hi Don and All,

I don't know if 300 Ohm ladder line is small enough for you, but at 20:1 SWR
100 feet of it loses about 1.1 dB total.  See the chart for 450 Ohm line at
the center of this page:
http://tinyurl.com/m5rjww

The loss for 100 feet of 450 Ohm line at 20:1 SWR is about .65 dB total.  I
had calculated that the loss of 300 Ohm line in a similar situation is about
.5 dB worse.  The 300 Ohm is really hard to see when put up.  I used it for
Field Day, see:
http://tinyurl.com/luwagy

At the Wireman web site it describes its "562" 300 Ohm ladder line as being
able to take full power.
"300 ohm, 18 AWG, 19 strand copper-clad steel conductors, poly-clad 'window'
for full power VF .91"

The Wireman is at:
http://tinyurl.com/mdkvtm


73,
Steve, W2MY, AAR6CX


-----Original Message-----
 Behalf Of Don Rasmussen
Subject: [Elecraft] OT: Balanced Feedlines

Can anyone suggest a compact balanced line that can handle 1000 watts? I
like the size of that Radio Shack 300 ohm TV line, but 100 watts is likely
the maximum. I'd like to build a stealthy KW antenna. The 20m dipole
radiating elements are so low to the ground that 3:1 SWR is the best I can
get. If I tune this out with a tuner, there will be too many db's of loss
over the 100 feet of feed required. I assume a KW would melt the TV line.
Any suggestions? Don...