(parity checking problem) Apologize and correction

Hi 
 
I got a question about \ogs\encdec

It seems that this program have some parity
calculating errors, I mean it miscalculates the parity
bits and as mentioned before in this list, the last
two bits of HOW word that should be zero(or 11), is
not.
( the HOW word of first subframe of one of the
templates of the program(nav-11-template-01-06) ).

According to the above problem where can I find a
reference about the gps message format,(I mean the
exact format,bit by bit)?

Thanks for your attention,
Best regards,

 
/******************/
Behzad Chenaghlou
Computer Science department
Tehran university
TEHRAN - IRAN
/******************/


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