On Sun, 24 Jul 2011 01:18:31 +0100, brass monkey wrote:

[1] With a cheap'n'nasty dish, pressure on the mesh will miss the

beam.

It will affect the signal but not "miss the beam". Zone 1 mini
dishes
have quite a large acceptance angle.

I can only speak from experience,

So do I. B-) I remember playing "clangers" with the tone from the
satfinder by pressing the edges of the dish to make sure the rest
position was as good as it gets.

... unless of course, the clamps moved
Quite likely.

I think so, I got the correct bird from the initial point it in that
azimuth/elevation from the compass and eye. I get 9 or 10/10 strength
from a Zone 1 minidish 20 odd miles south of Hadrians Wall,
supposedly borderline in requiring a Zone 2 dish.

--
Cheers
Dave.