GPS IIF satellite vehicles continue to modernize the GPS constellation while bringing new capabilities to both military and civilian users. GPS IIF SVs will bring into service the dedicated civil ...

First, background information on modulations that are useful for satellite radio-navigation ... and power spectra are discussed in Section 4.2. Section 4.3 describes the legacy GPS signals, defined ...

GPS III space vehicles will introduce new capabilities to meet higher demands of both military and civilian users. It brings the full capability to use M-Code in support of warfighter operations.

Whether you're exploring uncharted trails or other remote areas, a reliable GPS unit can help keep you on track and provide ...

Figure 4.1 shows the main errors and biases. Figure 4.1: Main GPS errors and biases The errors originating at the satellites include ephemeris, or orbital, errors, satellite clock errors, and the ...