> I have 2 x 4ele 10M Force-12 yagis - should I... > > a) stack them horiz. polarisation one above the other @ 70 & 58ft, > No! Stacking them 12 feet apart will be disappointing. Stack them at 70 & 35 feet. > OR > > b) mount them vertically polarised on the ends of a horizontal boom @ 70ft? > No, this is not my favorite configuration.