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Old June 4th 07, 03:36 PM posted to rec.radio.amateur.antenna
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Default Through-glass antenna power limits


"Richard Clark" wrote in message
...
On Mon, 4 Jun 2007 02:43:18 +0100, "Mike Kaliski"
wrote:

Take a deep breath before transmitting with all the controls set to 11...


Hi Mike,

Is the warrantee void within 100 yards of a 50KW AM antenna? Or
howabout those half megawatt LF stations that litter the continent?

73's
Richard Clark, KB7QHC


Richard

It's all about RF actually within the vehicle. The bodywork acts like a
Faraday cage against external influences. But I suspect you know that
already :-)

A couple of years back a lightning bolt hit a field I was driving past
during a storm. The dash completely blanked for 2 seconds and then came back
to life - no other ill effects noted - just as well because the road was
nearly completely under water at that point.

The radio key remote locking can fail if you park too close to a mobile
phone mast, or someone is transmitting on 70 cms nearby, but that's about
it.

As I only operate QRP I hadn't given the matter much thought until I checked
in the vehicle manual and saw a footnote.

Mike G0ULI


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Old June 4th 07, 04:57 PM posted to rec.radio.amateur.antenna
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First recorded activity by RadioBanter: Feb 2007
Posts: 287
Default Through-glass antenna power limits


"Mike Kaliski" wrote in message
...

"Richard Clark" wrote in message
...
On Mon, 4 Jun 2007 02:43:18 +0100, "Mike Kaliski"
wrote:

Take a deep breath before transmitting with all the controls set to
11...


Hi Mike,

Is the warrantee void within 100 yards of a 50KW AM antenna? Or
howabout those half megawatt LF stations that litter the continent?

73's
Richard Clark, KB7QHC


Richard

It's all about RF actually within the vehicle. The bodywork acts like a
Faraday cage against external influences. But I suspect you know that
already :-)

A couple of years back a lightning bolt hit a field I was driving past
during a storm. The dash completely blanked for 2 seconds and then came
back
to life - no other ill effects noted - just as well because the road was
nearly completely under water at that point.

The radio key remote locking can fail if you park too close to a mobile
phone mast, or someone is transmitting on 70 cms nearby, but that's about
it.

As I only operate QRP I hadn't given the matter much thought until I
checked
in the vehicle manual and saw a footnote.

Mike G0ULI




I had a similar experience with lightning. The lightning hit a tall comm
tower on the side of the road, jumped out the side of the tower, hit the
roof of the truck I was in, and then struck a pine tree on the other side of
the road. The engine diesd and I coasted to the side of the road. After a
few minutes of getting my composurer back together and surveying the damage
I was able to start the truck like nothing had happened. I was expecting all
the electronics to be fried.


Jimmie


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