[time-nuts] Carrier phase tracking

Javier javier at nebulosa.org
Mon Feb 19 17:40:01 UTC 2007


Hi

But... as marketing people thinks that 'more satellites, better' some 
manufactures are commercializing small GPS receivers with 16 and even 20 
channels... and obviously, no advantage over 12-channel ones. Perhaps 
they expect the Navstar constellation to be so crowded in the near 
future to don't let the Sun rays reach the Earth :-)

Regards,

Javier

Didier Juges wrote:

>Then parallel receivers appeared, where the 
>signal processor was powerful enough to decode 4, then 6, then 8 then 
>all 12 signals at the same time (in parallel). You may remember when 
>parallel receivers became popular, all advertisements would prominently 
>display that feature. Now, you take it for granted. There are at most 12 
>visible satellites at the same time, so there is no need for more than 
>12 channels (at least for a "single frequency" L1 receiver)
>  
>





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