Re: About lightning etc...


"The Magnum" <magnum@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:dim5mp$c8q$1@xxxxxxxxxxxxxxxxxxxxxxx
> //snip//
>> > I know nothing really will stop a direct strike but the more 90 degree
>> > turns you can make with you coax before entry the better! lightning
>> > doesnt like 90 degree angles, also i bring my coax all the way to the
>> > ground with a gas discharge unit at its lowest point then 90 back up to
>> > entry,most likely a drop in the bucket but ive never been wiped out. I
>> > also have 15 or so ground rods spread every 4 ft connected with
>> > stranded bare #6 then i covered it with dirt most of this is for field
>> > ground but field ground should be bonded to antenna ground always and
>> > is in my case, also bond them to your service ground,i also run my
>> > equipment off of battery backup units with avr and really nice surge
>> > clamping characteristics UPC and Cyberpower make nice units that stops
>> > that third order harmonic feedback wipe out thru your power in case of
>> > a strike
>> >
>> > well this is just my poormans attempt to protect my equipment
>> >
>> > Cheers BTM
>>
>> Yeah, and Santa Claus ate the cookies too. Lightning will take whatever
>> path is there no matter how complex. It will go right through your gas
>> discharge and Cyberpower UPS.
>> Remember this spark has just traveled several miles to get to you. A few
>> inches of gas or plastic isn't even going to slow it down.
>>
>> Kevin, WB5RUE
>
> I completely agree with Kevin. The only benefit these extra gadgets have
> is
> if there is a close strike and it helps to reject stray voltage from the
> bolt. Ive had two TV sets go down due to this, you can tell the
> difference... the stray voltage from a bolt of lightning will pop
> components
> on a board... a direct hit will make it explode... The only way to protect
> your equipment is to disconnect it AND either move the co-ax away or the
> radio itself. It doesnt help much disconnecting it and leaving it an inch
> from the radio.
> Regards,
> Graham
>
>

And then there's the proximity factor...namely, every piece of wire in your
home acting as the other half of a transformer, the lightning being the
primary. Induced voltages are just as deadly to electronics.


.

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