gps distance calculation and interfacing with pic.

[bharath]

hello everyone,i wanted to know…how does gps calculates the distance between two points?If u compare the lat,long positions of two points….then it should give the shortest distance…but not the actual distance.The actual distance can may be in a zigzag way…!!!!.and added to this how does pic can take these values..???please help…

[AJISH ALFRED]

Hi,

The gps gives only lat and long values, and its the job of the designer to apply an algorithm which can calculate the actual or shortest possible distance. Gps can be connected to the pic using the RX pin of the uart.

[Author]

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