Computer software that allows Global Positioning System users to perform accurate position determination using a single Global Positioning System receiver through the processing of un-differenced code and carrier phase data in conjunction with precise Global Positioning System orbit and clock values to eliminate the need for base reference station(s)

'accur':11 'allow':4 'base':49 'carrier':30 'clock':42 'code':28 'comput':1 'conjunct':34 'data':32 'determin':13 'differenc':27 'elimin':45 'global':5,17,37 'need':47 'orbit':40 'perform':10 'phase':31 'posit':6,12,18,38 'precis':36 'process':23 'receiv':20 'refer':50 'singl':16 'softwar':2 'station':51 'system':7,19,39 'un':26 'un-differenc':25 'use':14 'user':8 'valu':43

P3

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