[TowerTalk] 6 meter angle arrival for DX

[Cqtestk4xs at aol.com]

I'm currently doing the ground work for getting a decent sized 6  meter 
setup for my new QTH in KH6.  
 
I'll be using around a KW and have homebrewed some copycats of the  old KLM 
7 Yagis for 6.
 
My only problem is being a rookie on 6 is I really don't know  what arrival 
angles are most common for six meters for distances of greater than  2500 
miles, which is the minimum distance for 99% of all contacts from  KH6.
 
Height recommendations are pretty useless since the terrain is  nowhere a 
normal terrain due to the extreme drop away from the tower site.   Even a 
combo of 20 over 5 produces enormous gains at 1 and 2  degrees.
 
N6BV's terrrain analysis only provides angle info for HF.   Check the 
arrival angle on 10 meters for various places and then check 6  meters..about the 
same, as his program wasn't meant to do VHF arrival angles in  conjunction 
with HFTA.
 
I know no number will be THE correct one, but a ball park range of  the 
most common angles would be a big help.  I plan on giving as many  USA stations 
KH6 for the WAS as I possible can.  The same is true for JA  and hopefully 
some EU guys as well.
 
Any help?
 
Bill K4XS/KH7XS