a question about pream function

<[email protected]> Tue, 18 May 2004 16:02:31 +0800

Newsgroups	gmane.comp.hardware.gps.opensource
Message-ID	<[email protected]>

 
 Hi,all, in the open source gps code ,there is a line in void pream(char ch,char bit)  function in gpsrcvr.cpp:

    ch_epoch_load(ch,(0x1f&ch_epoch_chk(ch))|0xa00);  ///// cwk

   what's the purpose of this line? why write CH 20ms counter with "0xa"? I think the value should be zero?

 
   Regards,

   Zhu Di

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