On long links the information could help you explain some 
anomalies.  From an engineering point of view space diversity is the 
best way to cope with tropospheric ducting.  To a lesser extent, 
frequency diversity can help maintain a long link since different 
frequencies are affected slightly differently by the duct.  An apt 
metaphor is two different sized flat rocks will exhibit different 
skip patterns as they are launched across a pond.

At 11:51 AM 8/9/2009, you wrote:
>So, it would be good to pay attention to the thermal ducting reports
>as another tool towards a better understanding of issues with your
>network? -RickG

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