Rule of thumb is that you need at least 10 times the distance of vertical spacing if you use horizontal spacing. In other words, 15 feet of vertical spacing is equal to 150 feet of horizontal spacing.
Joe agrimm0034 wrote: > I am currently using the same setup. I have 40 watts output on my GMRS > repeater and I have had them as close as 15 ft vertically separated and have > had no problem. Now if you want to go as far as horizontal separation, you'll > be stretching them apart quite far. I recommend going vertical though. >
