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Rick wrote:
I want to install a vertical, fed with an SGC230 at the bottom, but concerned about minimising chance of a lightning strike on a bare conductor. Hi Nick, There is virtually nothing you can do to prevent a strike hitting your antenna. But you can attempt to pursuade Mother Nature to send the damaging electrons somewhere where they won't do damage. Get a Polyphaser or ICE or other good lightning arrestor made for this purpose and install it with a good ground under the antenna. Your objective is to divert the strike around your equipment and into the ground, taking the path that YOU provide for, not the one that the lightning strike would otherwise select. Your ground must have the capacity to absorb the electrons which arrive in massive quantities in a few microseconds, otherwise they will give up on you and find their own path to ground, often not the way you would prefer. There is good information on this technique on the polyphaser website, probably www.polyphaser.com. Most likely you will get about 50 more replies so be prepared, this is one of the favorite and most often discussed topics on this newsgroup. Rick K2XT ----------- I agree with Rick. Additionally, don't forget that your homeowner's insurance policy will usually reimburse you for damage incurred via lightning strikes. But be sure to see it in writing. Personal assurances from your agent are not enough. Have the agent show it in the writing of YOUR policy, or one identical to the one that you will be purchasing. The last thing that you need after the damage is done is for the insurance company to try to wiggle out of covering your lightning damaged equipment. Ed, NM2K |
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