Subj : Re: Antenna
To   : James Bradley
From : MIKE ROSS
Date : Tue Jul 12 2005 11:13 am

"James Bradley" bravely wrote to "Tom Walker" (11 Jul 05  20:37:22)
 --- on the heady topic of "Re: Antenna"

 JB> 07-10-05  07:15, Tom Walker told Mike Ross about Re: Antenna

 JB> How do, Tom?

 MR> MR>But there is a ground: the operator's body is one plate of a capacitor
 MR> MR>which forms the counterpoise or ground radial.

 MR> TW> In my Experience I have seen NO difference in "Recieving", Which
 MR> TW> after al is the TOPPIC of thoe discussion, between a Held Radio and a
 MR> TW> NON held one sitting on a plastic Card Table.

 MR>Who am I to argue with your personal experience?

 TW> In a lot of things things there  differences between "Pure Theory"
 TW> and the real World.
 TW> I get a laugh about some of the Misconceptions in things.

 TW> Like some thinking that if they double the power of their radio they
 TW> will double the range.

 JB> We've found a few am skip traces, mostly from Colorado on our travels.
 JB> Last one was when Gulf War I was just tooling up, and they played an
 JB> isolation of Linda McArtney mic. What a floorer. You thought Oko was
 JB> bad?


 James,

When atmospheric conditions are just right, i.e. inversion layers,
tunneling, etc, AM can go really far. For example, one Sunday around
1pm local time I caught an AM station from Pesto, Bolivia over here in
Montreal. Being a town on the top of a high peak in the Andes I
suppose the approx. 700K Hz signal must have injected above a cloud
layer and bounced off this and the ionosphere all those thousands of
miles. It was a very magical moment. The reciever had highly sensitive
fet devices, not the typical table top, and the local station was off
the air. Of course, a little closer are the Havana powerhouses which
often come through at night but sometimes in the daytime.

 M*i*k*e

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