Topband: E51D and OHQP

[Jim Brown]

On 8/24/2023 9:15 AM, W3HKK at roadrunner.com wrote:
> Been working on NVIS antennas for the OHQP this Sat but had a major
> malfunction just when all antennas seemed ready to go.

Something I learned from an extensive modeling study about ten years ago 
is that the optimum height for an NVIS antenna is a quarter-wave. Higher 
reduces upward radiation, lower increases ground loss. This study was 
peer reviewed.

73, Jim K9YC