Topband: Beverage over uneven terrain

[Dale Parfitt]

I am considering a beverage for 80M. Here in the mountains of western NC, 
level ground is difficult. A quick survey of where I would place my beverage 
shows that the last 200' or so would be sloping downhill at perhaps 10 
degrees. If I follow the terrain- at a height of 6' or so (believe this   be 
ballpark for 80M) what effect would this have on the performance?

Tnx,
Dale