[GroundUrMast]

Belden and Comscope are two very reputable brands.

Plenum rated cable would be used when the cable is to be run through an air duct, such as a cold air return... the insulation is supposed to produce less toxic smoke if it is involved in a fire. I would not assume the plenum rating to mean that the cable is weather resistant or electrically superior in some way.

Over the years, I have used more Belden product than any other. I have only experienced problems with coax purchased through Radio Shack (However, their treatment of me as a retail customer has been acceptable, enough that on occasion, I'll still shop there). For personal use over the last few years, I have purchased RG-6 and/or RG-6/U from my local big box home improvement center, with no regrets or problems. I do not use quad shielded cable because it's harder to work with, more expensive and yields no measurable benefit. By far and away, the more significant factor in the reception of a stable OTA DTV signals has been my choice of antennas and their mounting sites.

My commercial experience is in the telecommunications industry, providing local and long-line broadcast quality audio and video transport services. In my experience, every cable rated for UV exposure was black in color, not every black cable was UV resistant. I'm simply saying that when you need UV resistance or some other specific rating, specify the requirement and be ready to pay appropriately.