Curious about GPS satellite messages sent to the earth

- Can someone tell me how often a given satellite broadcasts a packet of information?
- What does the packet contain besides the atomic clock time?  A satellite identifier?  Anything else?
- What does the data look like? Could someone please give me a sample?
- What are the units of time?  How many time units per second?
- Can I get a GPS chip to feed out all the data recieved from all satellites?

Anything else you can tell me would be appreciated.  I am very interested in this.

Thanks,
newbieweb
newbiewebSr. Software EngineerAsked:
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NerdsNowCommented:
Wikipeidia has a decent explaination actually.

http://en.wikipedia.org/wiki/Global_Positioning_System#Message_format
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newbiewebSr. Software EngineerAuthor Commented:
Thanks.
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