[BC] RF absorption by foliage

[RON DOT'O SR.]

Here in Oregon Blackberries love to wrap around hot AM sticks.  They act like RF is fertilizer. 

Ron D, Salem, OR
  ----- Original Message ----- 
  From: Ed Trombley<mailto:ET at munn-reese.com> 
  To: Broadcast Radio Mailing List<mailto:broadcast at radiolists.net> 
  Sent: Monday, October 31, 2005 06:34
  Subject: Re: [BC] RF absorption by foliage



  >    OK Ed, and anyone else. My question. All this talk so far is about 
  > trees. There is one organization that will only cut their DA field grass 
  > once every two years. When I first heard this, I said, "You mean twice a 
  > year". Nope, only once every two years. How much does 365 to700 days 
  > worth of grass effect the signal? It gets about 36-48 inches tall by that time.
  >
  >       Tom, not doing much intentional AM these days, Bosscher

  Sure, tall weeds have an effect.  I can't tell you how much.  But, I know 
  of two arrays, a 6 tower and an 8 tower where the phase monitor goes out of 
  limits when the grass gets cut.  They have logged dial settings for winter, 
  summer short grass, summer tall grass.

  What gets me is a grape vine.  How can a grape vine grow across the base 
  insulator of a hot tower and not get cooked.  I've seen that many times too.

  Ed Trombley 

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