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Old January 9th 04, 09:52 PM
John Smith
 
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Default Road static?

Here's one to explain:

There I was, driving along a two-lane asphalt highway trying to listen to an
AM band station on 1230 kHz about 70 miles away (they only run 250 Watts)
and getting considerable static. I noticed that the static diminished when I
came to a stop and resumed when I began again. This was not alternator whine
or spark plug noise--more like white noise. So, I thought, it must be static
from wind in the antenna or maybe tire-on-roadway static.

Then I hit a section of road with a new 3-week-old layer of asphalt laid
over the old asphalt. The noise disappeared! The noise returned when I drove
off that new section of asphalt. Hmmmm. Did I just imagine it? So, I asked
my XYL to pay attention to the station/static when the next opportunity
arrived. Another section of fresh asphalt produced the same thing and she
can verify it. It happened every time.

Now I ask you... why would I have statickey noise from driving on old
asphalt? Or, maybe the question should be why would fresh asphalt be a noise
quencher? Or something.


Thanks,
John
KD5YI



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Old January 9th 04, 10:26 PM
Richard Clark
 
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Default

On Fri, 9 Jan 2004 15:52:14 -0600, "John Smith"
wrote:


Now I ask you... why would I have statickey noise from driving on old
asphalt? Or, maybe the question should be why would fresh asphalt be a noise
quencher? Or something.


Thanks,
John
KD5YI


Hi John,

Do you really want to know why, or fix it? Try the old fashioned way,
drag a conductor (Gas trucks used chain, you could try that; or thick
1 or 2 inch braid).

73's
Richard Clark, KB7QHC
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Old January 9th 04, 10:52 PM
H. Adam Stevens
 
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"Richard Clark" wrote in message
...
On Fri, 9 Jan 2004 15:52:14 -0600, "John Smith"
wrote:


Now I ask you... why would I have statickey noise from driving on old
asphalt? Or, maybe the question should be why would fresh asphalt be a

noise
quencher? Or something.


Thanks,
John
KD5YI


Hi John,

Do you really want to know why, or fix it? Try the old fashioned way,
drag a conductor (Gas trucks used chain, you could try that; or thick
1 or 2 inch braid).

73's
Richard Clark, KB7QHC


And the "why" is related to Van de Graaf.
(Can't help myself.)
H.
NQ5H


  #4   Report Post  
Old January 9th 04, 11:07 PM
Phil
 
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Default

The problem may be related to a broken static wiper in one or both of the
front hub caps (not wheel covers). It looks something like a spring and. in
effect, "grounds" the wheel to the axle.. I had a similar problem on an old
Chrysler.

Phil, KB2HQ

"John Smith" wrote in message
...
Here's one to explain:

There I was, driving along a two-lane asphalt highway trying to listen to

an
AM band station on 1230 kHz about 70 miles away (they only run 250 Watts)
and getting considerable static. I noticed that the static diminished when

I
came to a stop and resumed when I began again. This was not alternator

whine
or spark plug noise--more like white noise. So, I thought, it must be

static
from wind in the antenna or maybe tire-on-roadway static.

Then I hit a section of road with a new 3-week-old layer of asphalt laid
over the old asphalt. The noise disappeared! The noise returned when I

drove
off that new section of asphalt. Hmmmm. Did I just imagine it? So, I asked
my XYL to pay attention to the station/static when the next opportunity
arrived. Another section of fresh asphalt produced the same thing and she
can verify it. It happened every time.

Now I ask you... why would I have statickey noise from driving on old
asphalt? Or, maybe the question should be why would fresh asphalt be a

noise
quencher? Or something.


Thanks,
John
KD5YI





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Old January 9th 04, 11:07 PM
Cecil Moore
 
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Default

John Smith wrote:
Now I ask you... why would I have statickey noise from driving on old
asphalt? Or, maybe the question should be why would fresh asphalt be a noise
quencher? Or something.


I previously noticed the same thing - the smoother the road, the lower
the RF noise level. shocks? springs? tires?
--
73, Cecil http://www.qsl.net/w5dxp



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Old January 9th 04, 11:37 PM
w4jle
 
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Default

Get some anti-static power for your tires.

"John Smith" wrote in message
...
Here's one to explain:

There I was, driving along a two-lane asphalt highway trying to listen to

an
AM band station on 1230 kHz about 70 miles away (they only run 250 Watts)
and getting considerable static. I noticed that the static diminished when

I
came to a stop and resumed when I began again. This was not alternator

whine
or spark plug noise--more like white noise. So, I thought, it must be

static
from wind in the antenna or maybe tire-on-roadway static.

Then I hit a section of road with a new 3-week-old layer of asphalt laid
over the old asphalt. The noise disappeared! The noise returned when I

drove
off that new section of asphalt. Hmmmm. Did I just imagine it? So, I asked
my XYL to pay attention to the station/static when the next opportunity
arrived. Another section of fresh asphalt produced the same thing and she
can verify it. It happened every time.

Now I ask you... why would I have statickey noise from driving on old
asphalt? Or, maybe the question should be why would fresh asphalt be a

noise
quencher? Or something.


Thanks,
John
KD5YI





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Old January 10th 04, 12:24 AM
'Doc
 
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Default


Which is exactly the wrong thing to do. When was the last
time
you saw a 'static' strap or chain being drug by a gas truck? 20
years
ago, 30 year? If you see another one, don't tell the DOT! The
idiot
driver will loose his license...
'Doc
  #8   Report Post  
Old January 10th 04, 01:04 AM
John Smith
 
Posts: n/a
Default


"w4jle" W4JLE(remove this to wrote in message
...
Get some anti-static power for your tires.



Welllll... Okay, but do they make it in grades for the age of the asphalt?


  #9   Report Post  
Old January 10th 04, 01:10 AM
John Smith
 
Posts: n/a
Default


"Cecil Moore" wrote in message
...
John Smith wrote:
Now I ask you... why would I have statickey noise from driving on old
asphalt? Or, maybe the question should be why would fresh asphalt be a

noise
quencher? Or something.


I previously noticed the same thing - the smoother the road, the lower
the RF noise level. shocks? springs? tires?
--
73, Cecil http://www.qsl.net/w5dxp



Ain't that a hoot? I could understand the static level changing from asphalt
to concrete (maybe) but from old to new asphalt? By the way, the old and new
roads were about the same smoothness if the potholes were missed.

Maybe the dimples of the new asphalt being taller than the worn asphalt
meant less surface contact. Is it a full moon yet?



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Old January 10th 04, 04:20 AM
Crazy George
 
Posts: n/a
Default

OK, some of you guys are old enough to remember the answer to this question.
Used to be a real problem. If no one guesses it, I'll post the science
tomorrow. Geeeeez!!!

--
Crazy George
Remove N O and S P A M imbedded in return address
"John Smith" wrote in message
...
Here's one to explain:

There I was, driving along a two-lane asphalt highway trying to listen to

an
AM band station on 1230 kHz about 70 miles away (they only run 250 Watts)
and getting considerable static. I noticed that the static diminished when

I
came to a stop and resumed when I began again. This was not alternator

whine
or spark plug noise--more like white noise. So, I thought, it must be

static
from wind in the antenna or maybe tire-on-roadway static.

Then I hit a section of road with a new 3-week-old layer of asphalt laid
over the old asphalt. The noise disappeared! The noise returned when I

drove
off that new section of asphalt. Hmmmm. Did I just imagine it? So, I asked
my XYL to pay attention to the station/static when the next opportunity
arrived. Another section of fresh asphalt produced the same thing and she
can verify it. It happened every time.

Now I ask you... why would I have statickey noise from driving on old
asphalt? Or, maybe the question should be why would fresh asphalt be a

noise
quencher? Or something.


Thanks,
John
KD5YI





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