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[aprssig] PHG calculators

Pentti Gronlund pentti.gronlund at tut.fi
Mon Jan 12 17:54:11 UTC 2009


Robert Bruninga writes:

> Just so everyone understands, there was a weakness in the
> original SPEC about what follows the various 7 byte fields such
> as
> 
> CSE/SPD
> PHGxxxx
> DFSxxxx
> RNGxxxx

There is another weakness in the PHG notation where the front-to-back
ratio is left out to the reader's imagination. Consequently the offset
or directional patterns plotted out of PHG are quite speculative and 
not even close to useful.

Benjamin OH3BK
-- 
		Live Reports from the Taxman's Paradise!



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