I have installed and grounded my Globecast dish, both the mast and the coax independent of each other into the same ground block. I also have an old antenna up on the roof, with coax already grounded. But I noticed now that the antenna mast is not (and has never been!) grounded. Since I'm up on the roof now, I thought I would fix this.
Q: Can I just connect the antenna mast to the new satellite mast, and trust that it's now properly grounded because the satellite mast is?
I would ground the antenna mast independently from the dish mast. Since the antenna is likely higher it would be more lightning prone than the satellite dish and if it got hit by lightning the surge would travel along the ground wire from the antenna mast to the dish mast and possibly damage the LNB or worse, your receiver.
kat
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