Lightning Ground. Another use for a ground connection is to divert lightning which may strike an antenna to the ground, thereby by-passing problems in the shack. However, if the antenna is connected to our rig and our rig is connected to the ground, then all of the current from lightning striking the antenna must pass through the antenna, feedline, radio and ground connection. Most likely it will burn up lots of things on its way there!
The subject of a lightning ground is an entirely different matter, since its purpose should be to bypass the current from a lightning strike away from our house and equipment. This subject is important, but beyond the scope of this dicussion. Additional information is available in various books on antennas and from companies that specialize in lightning arrestors and diverters.