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Dual frequency GPS receiver project

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Bucephalus

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Hi

I want to design a dual frequency GPS receiver, but I'm reading this book on GPS and I'm still learning about C/A and P codes. From what this book says, dual-frequency receivers are hard to design. I'm not sure if I'm understandin correctly, but it sounds like not just anyone can access P(Y) code. Does any one know about this? I still have a lot of reading to do yet.

David.
 

If your book is unclear in this regard, you may want to consult wikipedia. https://en.wikipedia.org/wiki/Gps The P code
carried by L2 is reserved for military applications. You can't decrypt it. L2 can be also utilized for correction of atmospheric
effects without decoding the P code, using L2C code, possibly you're refering to this application?
 

FvM said:
If your book is unclear in this regard, you may want to consult wikipedia. https://en.wikipedia.org/wiki/Gps The P code
carried by L2 is reserved for military applications. You can't decrypt it. L2 can be also utilized for correction of atmospheric
effects without decoding the P code, using L2C code, possibly you're refering to this application?
Click to expand...

yeah, thanks that was a big help. I didn't know about L2C.
David.
 

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