Warpcore wrote:

At 20 meters, the overall length would be about 65 feet, and the two halves
of the dipole would be about 32 feet. Perhaps one of the Hams here can help
you out with the coil specifications.


Yikes! A half wave at 14 MHz is 33'- a 1/4 wave then is 16.5'
Why not end feed it with an appropriate Z matchbox at the base as in:
http://www.parelectronics.com/end_fedz.htm


You could still
use the coil, and I think you might have an advantage of less noise from the
antenna as well.

What is the explaination for this?

Dale W4OP