This antenna is advertised as a 6db gain antenna.. would that be considered low or high gain? I assume it's high-gain.. As far as an acceptable SWR range, what is considered acceptable? It seems like some places say under 1.5:1, others under 2:1, while others seem to say nothing above 1.1:1 is acceptable. Currently using a 15W radio, but if I go to a 40W or 50W, would this SWR range become more "dangerous"? Currently I can easily "hear" my local repeater that is nearly 28miles away.. and I can key it up, but they can't hear me worth a a hooey.. with getting a near perfect SWR on the repeater channels.. I may just need more juice.