coax catv cable

Hi, I am looking to install a OTA Antenna outside my house but do not have a good place to ground it. My back yard is all concrete and the only dirt I have is a planter that is about 2-3 ft deep. I do have a water hose close by. Can I use a cold water ground clamp to ground to the water pipe...

I'm redoing the camera system in my schools gym, the cameras for the Public access station when we record basket ball games, we have 5 coax wires, may add a sixth later that are coming out of the floor and one from above. I am planning to put these all into wiremold and a box to prevent me from...