Hello again, assuming there´s no problem with this 2 antennas in the same mast 8-10 ft apart, will antenna must be on the top?? Thanks in advance!.. 73, Jorge CX6VM No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.476 / Virus Database: 269.11.0/929 - Release Date: 31/07/2007 05:26 p.m.