[TowerTalk] perspective

[Tom Rauch]

> We all do? And it is? See:
> 
> Kopka, H., P. Stubbe, T. B. Jones, and T. R. Robinson, Non-linear 
> reflectivity of high power radio waves in the ionosphere, Nature, 295,
> 5851, 680-680, 1982
> 
> The ionosphere is non-linear (and does mix) for extremely
> strong signals (multi-MW EIRP), but of course it is linear
> for the low level signals we're talking about here.

I knew someone would bring that up! I avoided it to not confuse 
anyone, since we don't run multi-megawatt ERP's.

Didn't the HAARP system attempted to drive the ionosphere into 
non-linearity in order to generate a ELF signal?  Did they ever 
succeed? 

73, Tom W8JI
w8ji@contesting.com

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