Here are my working conditions, I have a President Lincoln
I have 4 antennas, A sirio Megawatt 4000 antenna for my mobile,
A Sirio 3 element beam, Imax 2000 and a Sirio 827 which i use both
mobile and homebase.
This is my Sirio 3 element beam at 1800ft
This is my 3 element beam and Imax 2000 mounted on my portable mast at sea level.