Gps_Navigation_Message Class Reference

This class decodes a GPS NAV Data message as described in IS-GPS-200M. More...

#include <gps_navigation_message.h>

Public Member Functions
	Gps_Navigation_Message (LnavSystem system=LnavSystem::GPS)
Gps_Ephemeris	get_ephemeris () const
	Obtain a GPS SV Ephemeris class filled with current SV data.
Gps_Iono	get_iono ()
	Obtain a GPS ionospheric correction parameters class filled with current SV data.
Gps_Almanac	get_almanac ()
	Obtain a GPS almanac class filled with current SV data.
Gps_Utc_Model	get_utc_model ()
	Obtain a GPS Almanac model parameters class filled with current SV data.
int32_t	subframe_decoder (const char *subframe)
	Decodes the GPS NAV message.
double	utc_time (double gpstime_corrected) const
	Computes the Coordinated Universal Time (UTC) and returns it in [s] (IS-GPS-200M, 20.3.3.5.2.4).
int32_t	get_TOW () const
	Gets Time of Week, in seconds.
int32_t	get_GPS_week () const
	Gets GPS Week Number.
void	set_satellite_PRN (uint32_t prn)
	Sets satellite PRN number.
uint32_t	get_satellite_PRN () const
	Gets satellite PRN number.
void	set_channel (int32_t channel_id)
	Sets channel ID.
bool	get_flag_iono_valid () const
	Gets flag_iono_valid.
bool	get_flag_utc_model_valid () const
	Gets flag_utc_model_valid.
bool	satellite_validation ()
bool	almanac_validation () const

Detailed Description

This class decodes a GPS NAV Data message as described in IS-GPS-200M.

See https://www.gps.gov/sites/default/files/2025-07/IS-GPS-200M.pdf Appendix II

Definition at line 51 of file gps_navigation_message.h.

Constructor & Destructor Documentation

Gps_Navigation_Message()

Gps_Navigation_Message::Gps_Navigation_Message ( LnavSystem system = LnavSystem::GPS )

explicit

Default constructor

Member Function Documentation

get_almanac()

Gps_Almanac Gps_Navigation_Message::get_almanac

(

)

Obtain a GPS almanac class filled with current SV data.

get_ephemeris()

Gps_Ephemeris Gps_Navigation_Message::get_ephemeris

(

)

const

Obtain a GPS SV Ephemeris class filled with current SV data.

get_flag_iono_valid()

bool Gps_Navigation_Message::get_flag_iono_valid ( ) const

inline

Gets flag_iono_valid.

Definition at line 133 of file gps_navigation_message.h.

get_flag_utc_model_valid()

bool Gps_Navigation_Message::get_flag_utc_model_valid ( ) const

inline

Gets flag_utc_model_valid.

Definition at line 141 of file gps_navigation_message.h.

get_GPS_week()

int32_t Gps_Navigation_Message::get_GPS_week ( ) const

inline

Gets GPS Week Number.

Definition at line 101 of file gps_navigation_message.h.

get_iono()

Gps_Iono Gps_Navigation_Message::get_iono

(

)

Obtain a GPS ionospheric correction parameters class filled with current SV data.

get_satellite_PRN()

uint32_t Gps_Navigation_Message::get_satellite_PRN ( ) const

inline

Gets satellite PRN number.

Definition at line 117 of file gps_navigation_message.h.

get_TOW()

int32_t Gps_Navigation_Message::get_TOW ( ) const

inline

Gets Time of Week, in seconds.

Definition at line 93 of file gps_navigation_message.h.

get_utc_model()

Gps_Utc_Model Gps_Navigation_Message::get_utc_model

(

)

Obtain a GPS Almanac model parameters class filled with current SV data.

set_channel()

void Gps_Navigation_Message::set_channel ( int32_t channel_id )

inline

Sets channel ID.

Definition at line 125 of file gps_navigation_message.h.

set_satellite_PRN()

void Gps_Navigation_Message::set_satellite_PRN ( uint32_t prn )

inline

Sets satellite PRN number.

Definition at line 109 of file gps_navigation_message.h.

subframe_decoder()

int32_t Gps_Navigation_Message::subframe_decoder

(

const char *

subframe

)

Decodes the GPS NAV message.

utc_time()

double Gps_Navigation_Message::utc_time

(

double

gpstime_corrected

)

const

Computes the Coordinated Universal Time (UTC) and returns it in [s] (IS-GPS-200M, 20.3.3.5.2.4).

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The documentation for this class was generated from the following file:

• gps_navigation_message.h