No, the exact opposite!  A TV antenna or other mast that protrudes significantly above the home increases the chances of attracting a lightning strike, much like a church steeple.  These towers are rarely grounded to the standards of the Lightning Protection Code.  Also, the antenna/satellite cable, provides a direct path for
lightning to enter a home directly into the sensitive electronic products (VCR/receiver/TV).  Part of any professionally installed code standard lightning protection system includes the proper grounding of the antenna mast.

Grounding kits for satellite dishes/antennae are available from Dominion.  The kit includes proper grounding clamps/cable for the mast as well as a surge protection unit for the antenna cable.

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