On Sat, 01 Jul 2006 11:09:22 -0400, jawod wrote:

Here's my question:
At 25 to 30 degrees elevation response, aren't these waves leaving the
ionosphere (i.e., refracted instead of reflected)?

In your HFTA program run the antennas at various heights. Amongst
other things,varying the height of the antenna will change the
elevation angle of the lobes.

Danny, K6MHE