[BC] Electrical Code, drift to towers

[Robert Meuser]

I have seen similar reports but based on season changes in ground conductivity. 
There was an extensive paper in BME back in the late 60s. I still discount trees.


R

Jerry Mathis wrote:
> I've heard much to the contrary over the years. It started with a 
> consultant who did field strength measurements based on the seasons and 
> what results were desired (low or high readings). Seems like I've read, 
> although I can't quote it at this time, that trees, especially close in, 
> absorbed a significant amount of an AM signal.
> 
> 
> 
> Jerry Mathis
> Clear Channel Radio, Tupelo & Meridian MS
> 
> 
> 
> 
> 
>> From: Robert Meuser <Robertm at broadcast.net>
>> Reply-To: Broadcast Radio Mailing List <broadcast at radiolists.net>
>> To: Broadcast Radio Mailing List <broadcast at radiolists.net>
>> Subject: Re: [BC] Electrical Code, drift to towers
>> Date: Sat, 29 Oct 2005 13:08:37 -0400
>>
>> I dont think trees have significant absorbtion at AM frequencies.
>>
>> R
>>
>>
>> Lewis Munn wrote:
>>
>>> Milton, if they are AM what is their engineer thinking?  Tree roots 
>>> corrode ground wires; trees themselves absorb RF.
>>>
>>> I see a number of AM sites with reasonably sized trees obviously in 
>>> the ground systems, and yes, where they could take out guy lines.  
>>> But try to tell that to a cost-conscious owner!
>>>
>>> And wait until the environmentalists are out in force to protect 
>>> those trees!!  Bare unscenic roadsides...reduced CO2 absorption...and 
>>> so on.
>>>
>>> Looey Munn
>>> Roundup, MT
>>>
>>> "Milton R. Holladay Jr." <miltron at mindspring.com> wrote:
>>>
>>> How many towers do you know of that have trees near enough to hit the 
>>> tower
>>> or guy wires if they fell toward them ?
>>>
>>>
>>> From: "Jerry Mathis"
>>>
>>> Subject: RE: [BC] Electrical Code
>>>
>>>
>>>
>>>> And the other thing is NOT clearing trees within falling distance of 
>>>> the
>>>> power lines.
>>>>
>>>
>>>
>>>
>>>
>>> ---------------------------------
>>> Yahoo! FareChase - Search multiple travel sites in one click.
>>>
>>> _______________________________________________
>>> This is the BROADCAST mailing list
>>> To send to the list, email: broadcast at radiolists.net
>>> For sub changes, archives and info on this other lists: 
>>> http://www.radiolists.net/
>>>
>>>
>>>
>>
>>
>> _______________________________________________
>> This is the BROADCAST mailing list
>> To send to the list, email: broadcast at radiolists.net
>> For sub changes, archives and info on this other lists: 
>> http://www.radiolists.net/
> 
> 
> 
> 
> _______________________________________________
> This is the BROADCAST mailing list
> To send to the list, email: broadcast at radiolists.net
> For sub changes, archives and info on this other lists: 
> http://www.radiolists.net/
>