[Antennas] spencer dipole from Mccoy's book

[Chris BONDE]

At 11:04 AM 2002-01-03 -0800, you wrote:

>You are correct, but the spacing distance required from conductive 
>surfaces is less than many may be aware. The rule of thumb is 2� to 3 
>times the center to center spacing of the parallel conductors. In other 
>words using the popular 450-Ohm window line the distance between the 
>conductors is eight tenths of an inch would require that it come no closer 
>to a conductive surface that two to three inches. That's not hard to do.

Good info.  I was looking for that as well


>One caution here, wet window line has higher losses than the old fashion 
>open ladder line. Wes Stewart, W7WS wrote a fine paper on this subject 
>which was published in the ARRL Antenna Compendium Volume 6. You may wish 
>to consult that before proceeding.

OKnow please tell me the difference between window line and open ladder 
line.   I have wondered about what the rain would do to the line.  So it 
makes the line "lossyer"?
Chris opr VE7HCB

>73
>Danny, K6MHE
>