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Present and Future Global Navigation Satellite Systems (GNSS)

GEO2TECDI_GPS_2.pdf

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Modernized Signal Evolution<br />

<strong>Present</strong> Signal<br />

L5<br />

P(Y)<br />

L2<br />

P(Y)<br />

L1<br />

C/A<br />

New Civil General<br />

Utility Signal<br />

P(Y)<br />

C/A<br />

P(Y)<br />

C/A<br />

Civil Safety of Life<br />

Applications <strong>and</strong><br />

New Military<br />

Signals<br />

1176 MHz<br />

P(Y)<br />

M<br />

C/A<br />

P(Y)<br />

M<br />

C/A<br />

1227 MHz 1575 MHz<br />

25<br />

GEO2TECDI – Bangkok, May, 2009 – <strong>GNSS</strong> Lecture 2

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