Joe Subich, W4TV wrote:
Is there any theory to the 25% rule?
The 25% rule says the ends of the top hat wires should not extend
more than 25% down the vertical. The thought is that the wires
shield the main vertical ... that the currents on the top hat
wires cause cancellation. Once the
On 12/13/2012 8:37 PM, Ray Benny wrote:
I have a 67 ft base coil fed vertical, 4, 3 2 irrigation pipe with two
50 ft top hat wires that I use on 160m. I have about 100 - 135 ft radials
on the ground. So far I have been pleased with it.
On a 60 foot vertical, I need two 75 foot wires to
If I mis-interpreted the rule, I like to know what it means.
Many times the top hat wires are not horizontal but come down at an
angle like the top set of guy wires on a tower or vertical.
Is there any theory to the 25% rule?
The 25% rule says the ends of the top hat wires should not extend