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Update references to new GPS ICDs

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Carles Fernandez 2021-01-12 10:34:55 +01:00
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6
docs/doxygen/other/reference_docs.dox
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@ -12,9 +12,9 @@
All the current GPS Interface Control Documents can be downloaded from <a href="https://www.gps.gov" target="_blank">GPS.gov</a>, the official U.S. Government webpage for GPS.
\li GPS L1 and L2C: Global Positioning System Directorate, <a href="https://www.gps.gov/technical/icwg/IS-GPS-200K.pdf" target="_blank"><b>Interface Specification IS-GPS-200 Revision K</b></a>. March, 2019.
\li GPS L1C (available with first Block III launch): Global Positioning System Directorate, <a href="https://www.gps.gov/technical/icwg/IS-GPS-800F.pdf" target="_blank"><b>Interface Specification IS-GPS-800 Revision F</b></a>. March, 2019.
\li GPS L5 (first Block IIF satellite launched on May, 2010): Global Positioning System Directorate, <a href="https://www.gps.gov/technical/icwg/IS-GPS-705F.pdf" target="_blank"><b>Interface Specification IS-GPS-705 Revision F</b></a>. March, 2019.
\li GPS L1 and L2C: Global Positioning System Directorate, <a href="https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf" target="_blank"><b>Interface Specification IS-GPS-200 Revision L</b></a>. May, 2020.
\li GPS L1C (available with first Block III launch): Global Positioning System Directorate, <a href="https://www.gps.gov/technical/icwg/IS-GPS-800G.pdf" target="_blank"><b>Interface Specification IS-GPS-800 Revision G</b></a>. May, 2020.
\li GPS L5 (first Block IIF satellite launched on May, 2010): Global Positioning System Directorate, <a href="https://www.gps.gov/technical/icwg/IS-GPS-705G.pdf" target="_blank"><b>Interface Specification IS-GPS-705 Revision G</b></a>. May, 2020.

8
docs/doxygen/other/signal_model.dox
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@ -62,7 +62,7 @@ and civilian users on a continuous, worldwide basis. Two GPS services are provid
the Precise Positioning Service (PPS), available primarily to the military of the United
States and its allies, and the Standard Positioning Service (SPS) open to civilian users.
\li <b>GPS L1</b>. Defined at <a href="https://www.gps.gov/technical/icwg/IS-GPS-200K.pdf" target="_blank"><b>Interface Specification IS-GPS-200 Revision K</b></a>, this band is centered at \f$f_{\text{GPS L1}}=1575.42\f$ MHz. The complex baseband transmitted signal can be written as
\li <b>GPS L1</b>. Defined at <a href="https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf" target="_blank"><b>Interface Specification IS-GPS-200 Revision L</b></a>, this band is centered at \f$f_{\text{GPS L1}}=1575.42\f$ MHz. The complex baseband transmitted signal can be written as
\f{equation}{
s^{\text{(GPS L1)}}_{T}(t)=e_{L1I}(t) + j e_{L1Q}(t)~,
\f}
@ -76,12 +76,12 @@ s^{\text{(GPS L1)}}_{T}(t)=e_{L1I}(t) + j e_{L1Q}(t)~,
\f$L_{\text{P(Y)}}=6.1871 \cdot 10^{12}\f$, and \f$p(t)\f$ is a rectangular pulse of a chip-period duration centered at \f$t=0\f$ and filtered at the transmitter.
According to the chip rate, the binary phase-shift keying modulations in the equations above are denoted as BPSK(10) and BPSK(1), respectively. The precision P codes (named Y codes whenever
the anti-spoofing mode is activated, encrypting the code and thus denying non-U.S. military users) are sequences of \f$7\f$ days in length. Regarding the modernization plans for GPS, it
is worthwhile to mention that there is a new civilian-use signal planned, called L1C and defined at <a href="https://www.gps.gov/technical/icwg/IS-GPS-800F.pdf" target="_blank"><b>Interface Specification IS-GPS-800 Revision F</b></a>,
is worthwhile to mention that there is a new civilian-use signal planned, called L1C and defined at <a href="https://www.gps.gov/technical/icwg/IS-GPS-800G.pdf" target="_blank"><b>Interface Specification IS-GPS-800 Revision G</b></a>,
to be broadcast on the same L1 frequency that currently contains the C/A signal. The L1C will be available with first Block III launch, currently scheduled for 2013. The implementation will
provide C/A code to ensure backward compatibility.
\li <b>GPS L2C</b>. Defined at <a href="https://www.gps.gov/technical/icwg/IS-GPS-200K.pdf" target="_blank"><b>Interface Specification IS-GPS-200 Revision K</b></a>, is only available on
\li <b>GPS L2C</b>. Defined at <a href="https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf" target="_blank"><b>Interface Specification IS-GPS-200 Revision L</b></a>, is only available on
Block IIR-M and subsequent satellite blocks. Centered at \f$f_{\text{GPS L2}}=1227.60\f$ MHz, the signal structure is the same than in (\ref{eq:GPSL1}), with the precision code in the In-phase
component, just as in (\ref{eq:L1CAI}) but with an optional presence of the navigation message \f$D_{\text{NAV}}\f$. For the Quadrature-phase component, three options are defined:
\f{align}{ e_{L2CQ}(t) =& \sum_{l=-\infty}^{\infty} D_{\text{CNAV}} \Big[ [l]_{10230} \Big] \oplus \left( C_{\text{CL}} \Big[ |l|_{L_{\text{CL}}} \Big] p_{\text{\tiny{1/2}}} \left( t - lT_{c,L2C} \right) + \right.\\ {} &+ \left. C_{\text{CM}} \Big[ |l|_{L_{\text{CM}}} \Big] p_{\text{\tiny{1/2}}}\left(t - \left(l+\frac{3}{4}\right)T_{c,L2C}\right) \right),\\
@ -94,7 +94,7 @@ component, just as in (\ref{eq:L1CAI}) but with an optional presence of the navi
data than the NAV data. It is transmitted at \f$25\f$ bps with forward error correction (FEC) encoding, resulting in \f$50\f$ sps.
\li <b>GPS L5</b>. The GPS L5 link, defined at <a href="https://www.gps.gov/technical/icwg/IS-GPS-705F.pdf" target="_blank"><b>Interface Specification IS-GPS-705 Revision F</b></a>, is only available
\li <b>GPS L5</b>. The GPS L5 link, defined at <a href="https://www.gps.gov/technical/icwg/IS-GPS-705G.pdf" target="_blank"><b>Interface Specification IS-GPS-705 Revision G</b></a>, is only available
in Block IIF (first satellite launched on May, 2010) and subsequent satellite blocks. Centered at \f$f_{\text{GPS L5}}=1176.45\f$ MHz, this signal in space can be written as:
\f{equation}{
s^{\text{(GPS L5)}}_{T}(t)=e_{L5I}(t) +j e_{L5Q}(t)~,

10
src/algorithms/PVT/libs/rinex_printer.cc
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@ -5103,7 +5103,7 @@ void Rinex_Printer::log_rinex_nav(std::fstream& out, const std::map<int32_t, Gps
if (gps_ephemeris_iter->second.satelliteBlock.at(gps_ephemeris_iter->second.i_satellite_PRN) == "IIA")
{
// Block II/IIA (Table 20-XI IS-GPS-200K )
// Block II/IIA (Table 20-XI IS-GPS-200L )
if ((gps_ephemeris_iter->second.d_IODC > 239) && (gps_ephemeris_iter->second.d_IODC < 248))
{
curve_fit_interval = 8;
@ -5135,7 +5135,7 @@ void Rinex_Printer::log_rinex_nav(std::fstream& out, const std::map<int32_t, Gps
(gps_ephemeris_iter->second.satelliteBlock.at(gps_ephemeris_iter->second.i_satellite_PRN) == "IIF") ||
(gps_ephemeris_iter->second.satelliteBlock.at(gps_ephemeris_iter->second.i_satellite_PRN) == "IIIA"))
{
// Block IIR/IIR-M/IIF/IIIA (Table 20-XII IS-GPS-200K )
// Block IIR/IIR-M/IIF/IIIA (Table 20-XII IS-GPS-200L )
if ((gps_ephemeris_iter->second.d_IODC > 239) && (gps_ephemeris_iter->second.d_IODC < 248))
{
curve_fit_interval = 8;
@ -5222,7 +5222,7 @@ void Rinex_Printer::log_rinex_nav(std::fstream& out, const std::map<int32_t, Gps
line += std::string(5, ' ');
// If there is no IODE in CNAV, so we check if Toe in message Type 10, Toe in Message type 11 and Toc in message types 30-37.
// Whenever these three terms do not match, a data set cutover has occurred and new data must be collected.
// See IS-GPS-200K, p. 155
// See IS-GPS-200L, p. 155
if (!((gps_ephemeris_iter->second.d_Toe1 == gps_ephemeris_iter->second.d_Toe2) && (gps_ephemeris_iter->second.d_Toe1 == gps_ephemeris_iter->second.d_Toc))) // Toe1: Toe in message type 10, Toe2: Toe in message type 11
{
// Toe1: Toe in message type 10, Toe2: Toe in message type 11,
@ -5252,7 +5252,7 @@ void Rinex_Printer::log_rinex_nav(std::fstream& out, const std::map<int32_t, Gps
line += std::string(1, ' ');
line += Rinex_Printer::doub2for(gps_ephemeris_iter->second.d_Cus, 18, 2);
line += std::string(1, ' ');
const double A_REF = 26559710.0; // See IS-GPS-200K, pp. 163
const double A_REF = 26559710.0; // See IS-GPS-200L, pp. 161
double sqrt_A = sqrt(A_REF + gps_ephemeris_iter->second.d_DELTA_A);
line += Rinex_Printer::doub2for(sqrt_A, 18, 2);
Rinex_Printer::lengthCheck(line);
@ -5280,7 +5280,7 @@ void Rinex_Printer::log_rinex_nav(std::fstream& out, const std::map<int32_t, Gps
line += std::string(1, ' ');
line += Rinex_Printer::doub2for(gps_ephemeris_iter->second.d_OMEGA, 18, 2);
line += std::string(1, ' ');
const double OMEGA_DOT_REF = -2.6e-9; // semicircles / s, see IS-GPS-200K pp. 164
const double OMEGA_DOT_REF = -2.6e-9; // semicircles / s, see IS-GPS-200L pp. 160
double OMEGA_DOT_aux = OMEGA_DOT_REF + gps_ephemeris_iter->second.d_DELTA_OMEGA_DOT;
line += Rinex_Printer::doub2for(OMEGA_DOT_aux, 18, 2);
Rinex_Printer::lengthCheck(line);

2
src/algorithms/libs/geofunctions.cc
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@ -20,7 +20,7 @@
#include <array>
#include <cmath> // for sin, cos, sqrt, abs, pow
const double STRP_PI = 3.1415926535898; // Pi as defined in IS-GPS-200K
const double STRP_PI = 3.1415926535898; // Pi as defined in IS-GPS-200L
arma::mat Skew_symmetric(const arma::vec &a)
{

4
src/algorithms/libs/rtklib/rtklib_conversions.cc
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@ -354,13 +354,13 @@ eph_t eph_to_rtklib(const Gps_CNAV_Ephemeris& gps_cnav_eph)
eph_t rtklib_sat = {0, 0, 0, 0, 0, 0, 0, 0, {0, 0}, {0, 0}, {0, 0}, 0.0, 0.0, 0.0, 0.0, 0.0,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, {}, {}, 0.0, 0.0};
rtklib_sat.sat = gps_cnav_eph.i_satellite_PRN;
const double A_REF = 26559710.0; // See IS-GPS-200K, pp. 170
const double A_REF = 26559710.0; // See IS-GPS-200L, pp. 161
rtklib_sat.A = A_REF + gps_cnav_eph.d_DELTA_A;
rtklib_sat.M0 = gps_cnav_eph.d_M_0;
rtklib_sat.deln = gps_cnav_eph.d_Delta_n;
rtklib_sat.OMG0 = gps_cnav_eph.d_OMEGA0;
// Compute the angle between the ascending node and the Greenwich meridian
const double OMEGA_DOT_REF = -2.6e-9; // semicircles / s, see IS-GPS-200K pp. 164
const double OMEGA_DOT_REF = -2.6e-9; // semicircles / s, see IS-GPS-200L pp. 160
double d_OMEGA_DOT = OMEGA_DOT_REF * GNSS_PI + gps_cnav_eph.d_DELTA_OMEGA_DOT;
rtklib_sat.OMGd = d_OMEGA_DOT;
rtklib_sat.omg = gps_cnav_eph.d_OMEGA;

2
src/algorithms/libs/rtklib/rtklib_rtkcmn.cc
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@ -1727,7 +1727,7 @@ double timediff(gtime_t t1, gtime_t t2)
*-----------------------------------------------------------------------------*/
double timediffweekcrossover(gtime_t t1, gtime_t t2)
{
// as stated in IS-GPS-200K table 20-IV footnote among other parts of the ICD,
// as stated in IS-GPS-200L table 20-IV footnote among other parts of the ICD,
// if tk=(t - toe) > 302400s then tk = tk - s
// if tk=(t - toe) < -302400s then tk = tk + 604800s
double tk = difftime(t1.time, t2.time) + t1.sec - t2.sec;

2
src/algorithms/libs/rtklib/rtklib_rtkcmn.h
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@ -29,7 +29,7 @@
*
*
* References :
* [1] IS-GPS-200K, Navstar GPS Space Segment/Navigation User Interfaces,
* [1] IS-GPS-200L, Navstar GPS Space Segment/Navigation User Interfaces,
* 7 March, 2006
* [2] RTCA/DO-229C, Minimum operational performanc standards for global
* positioning system/wide area augmentation system airborne equipment,

2
src/algorithms/telemetry_decoder/gnuradio_blocks/gps_l1_ca_telemetry_decoder_gs.cc
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@ -162,7 +162,7 @@ bool gps_l1_ca_telemetry_decoder_gs::gps_word_parityCheck(uint32_t gpsword)
{
// XOR as many bits in parallel as possible. The magic constants pick
// up bits which are to be XOR'ed together to implement the GPS parity
// check algorithm described in IS-GPS-200K. This avoids lengthy shift-
// check algorithm described in IS-GPS-200L. This avoids lengthy shift-
// and-xor loops.
const uint32_t d1 = gpsword & 0xFBFFBF00U;
const uint32_t d2 = my_rotl::rotl(gpsword, 1U) & 0x07FFBF01U;

2
src/algorithms/telemetry_decoder/gnuradio_blocks/gps_l1_ca_telemetry_decoder_gs.h
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@ -47,7 +47,7 @@ gps_l1_ca_telemetry_decoder_gs_sptr gps_l1_ca_make_telemetry_decoder_gs(
const Tlm_Conf &conf);
/*!
* \brief This class implements a block that decodes the NAV data defined in IS-GPS-200K
* \brief This class implements a block that decodes the NAV data defined in IS-GPS-200L
*/
class gps_l1_ca_telemetry_decoder_gs : public gr::block
{

2
src/algorithms/telemetry_decoder/gnuradio_blocks/gps_l2c_telemetry_decoder_gs.h
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@ -48,7 +48,7 @@ gps_l2c_telemetry_decoder_gs_sptr gps_l2c_make_telemetry_decoder_gs(
const Tlm_Conf &conf);
/*!
* \brief This class implements a block that decodes CNAV data defined in IS-GPS-200K
* \brief This class implements a block that decodes CNAV data defined in IS-GPS-200L
*/
class gps_l2c_telemetry_decoder_gs : public gr::block
{

2
src/core/system_parameters/GLONASS_L1_L2_CA.h
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@ -240,7 +240,7 @@ const std::vector<int32_t> GLONASS_GNAV_CRC_P_INDEX{66, 67, 68, 69, 70, 71, 72,
const std::vector<int32_t> GLONASS_GNAV_CRC_Q_INDEX{9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85};
// GLONASS GNAV NAVIGATION MESSAGE STRUCTURE
// NAVIGATION MESSAGE FIELDS POSITIONS (from IS-GPS-200K Appendix II)
// NAVIGATION MESSAGE FIELDS POSITIONS (from IS-GPS-200L Appendix II)
// FRAME 1-4
// COMMON FIELDS

2
src/core/system_parameters/GPS_CNAV.h
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@ -30,7 +30,7 @@
// CNAV GPS NAVIGATION MESSAGE STRUCTURE
// NAVIGATION MESSAGE FIELDS POSITIONS (from IS-GPS-200K Appendix III)
// NAVIGATION MESSAGE FIELDS POSITIONS (from IS-GPS-200L Appendix III)
constexpr int32_t GPS_CNAV_DATA_PAGE_BITS = 300;

2
src/core/system_parameters/GPS_L1_CA.h
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@ -73,7 +73,7 @@ constexpr char GPS_CA_PREAMBLE[9] = "10001011";
constexpr char GPS_CA_PREAMBLE_SYMBOLS_STR[161] = "1111111111111111111100000000000000000000000000000000000000000000000000000000000011111111111111111111000000000000000000001111111111111111111111111111111111111111";
// GPS NAVIGATION MESSAGE STRUCTURE
// NAVIGATION MESSAGE FIELDS POSITIONS (from IS-GPS-200K Appendix II)
// NAVIGATION MESSAGE FIELDS POSITIONS (from IS-GPS-200L Appendix II)
// SUBFRAME 1-5 (TLM and HOW)

4
src/core/system_parameters/MATH_CONSTANTS.h
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@ -28,8 +28,8 @@ constexpr double SPEED_OF_LIGHT_M_S = 299792458.0; //!< Speed of light in
constexpr double SPEED_OF_LIGHT_M_MS = 299792.4580; //!< Speed of light in vacuum [m/ms]
// Physical constants for GPS
constexpr double GPS_GM = 3.986005e14; //!< Universal gravitational constant times the mass of the Earth, [m^3/s^2] IS-GPS-200K, pag 92
constexpr double GPS_F = -4.442807633e-10; //!< Constant, [s/(m)^(1/2)], IS-GPS-200K, pag. 92
constexpr double GPS_GM = 3.986005e14; //!< Universal gravitational constant times the mass of the Earth, [m^3/s^2] IS-GPS-200L, pag 96
constexpr double GPS_F = -4.442807633e-10; //!< Constant, [s/(m)^(1/2)], IS-GPS-200L, pag. 95
// Physical constants for Galileo
constexpr double GALILEO_GM = 3.986004418e14; //!< Geocentric gravitational constant[m^3/s^2], OS SIS ICD v2.0, pag. 44

20
src/core/system_parameters/beidou_dnav_ephemeris.h
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@ -45,20 +45,20 @@ public:
/*!
* \brief Compute the ECEF SV coordinates and ECEF velocity
* Implementation of Table 20-IV (IS-GPS-200K)
* Implementation of Table 20-IV (IS-GPS-200L)
* and compute the clock bias term including relativistic effect (return value)
*/
double satellitePosition(double transmitTime);
/*!
* \brief Sets (\a d_satClkDrift)and returns the clock drift in seconds according to the User Algorithm for SV Clock Correction
* (IS-GPS-200K, 20.3.3.3.3.1)
* (IS-GPS-200L, 20.3.3.3.3.1)
*/
double sv_clock_drift(double transmitTime);
/*!
* \brief Sets (\a d_dtr) and returns the clock relativistic correction term in seconds according to the User Algorithm for SV Clock Correction
* (IS-GPS-200K, 20.3.3.3.3.1)
* (IS-GPS-200L, 20.3.3.3.3.1)
*/
double sv_clock_relativistic_term(double transmitTime);
@ -71,8 +71,8 @@ public:
double d_eccentricity{}; //!< Eccentricity [dimensionless]
double d_Cus{}; //!< Amplitude of the Sine Harmonic Correction Term to the Argument of Latitude [rad]
double d_sqrt_A{}; //!< Square Root of the Semi-Major Axis [sqrt(m)]
double d_Toe{}; //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200K) [s]
double d_Toc{}; //!< clock data reference time (Ref. 20.3.3.3.3.1 IS-GPS-200K) [s]
double d_Toe{}; //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200L) [s]
double d_Toc{}; //!< clock data reference time (Ref. 20.3.3.3.3.1 IS-GPS-200L) [s]
double d_Cic{}; //!< Amplitude of the Cosine Harmonic Correction Term to the Angle of Inclination [rad]
double d_OMEGA0{}; //!< Longitude of Ascending Node of Orbit Plane at Weekly Epoch [semi-circles]
double d_Cis{}; //!< Amplitude of the Sine Harmonic Correction Term to the Angle of Inclination [rad]
@ -82,7 +82,7 @@ public:
double d_OMEGA_DOT{}; //!< Rate of Right Ascension [semi-circles/s]
double d_IDOT{}; //!< Rate of Inclination Angle [semi-circles/s]
int i_BEIDOU_week{}; //!< BEIDOU week number, aka WN [week]
int i_SV_accuracy{}; //!< User Range Accuracy (URA) index of the SV (reference paragraph 6.2.1) for the standard positioning service user (Ref 20.3.3.3.1.3 IS-GPS-200K)
int i_SV_accuracy{}; //!< User Range Accuracy (URA) index of the SV (reference paragraph 6.2.1) for the standard positioning service user (Ref 20.3.3.3.1.3 IS-GPS-200L)
int i_SV_health{};
double d_TGD1{}; //!< Estimated Group Delay Differential on B1I [s]
double d_TGD2{}; //!< Estimated Group Delay Differential on B2I [s]
@ -154,8 +154,8 @@ public:
archive& make_nvp("d_e_eccentricity", d_eccentricity); //!< Eccentricity [dimensionless]
archive& make_nvp("d_Cus", d_Cus); //!< Amplitude of the Sine Harmonic Correction Term to the Argument of Latitude [rad]
archive& make_nvp("d_sqrt_A", d_sqrt_A); //!< Square Root of the Semi-Major Axis [sqrt(m)]
archive& make_nvp("d_Toe", d_Toe); //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200K) [s]
archive& make_nvp("d_Toc", d_Toe); //!< clock data reference time (Ref. 20.3.3.3.3.1 IS-GPS-200K) [s]
archive& make_nvp("d_Toe", d_Toe); //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200L) [s]
archive& make_nvp("d_Toc", d_Toe); //!< clock data reference time (Ref. 20.3.3.3.3.1 IS-GPS-200L) [s]
archive& make_nvp("d_Cic", d_Cic); //!< Amplitude of the Cosine Harmonic Correction Term to the Angle of Inclination [rad]
archive& make_nvp("d_OMEGA0", d_OMEGA0); //!< Longitude of Ascending Node of Orbit Plane at Weekly Epoch [semi-circles]
archive& make_nvp("d_Cis", d_Cis); //!< Amplitude of the Sine Harmonic Correction Term to the Angle of Inclination [rad]
@ -165,7 +165,7 @@ public:
archive& make_nvp("d_OMEGA_DOT", d_OMEGA_DOT); //!< Rate of Right Ascension [semi-circles/s]
archive& make_nvp("d_IDOT", d_IDOT); //!< Rate of Inclination Angle [semi-circles/s]
archive& make_nvp("i_BEIDOU_week", i_BEIDOU_week); //!< GPS week number, aka WN [week]
archive& make_nvp("i_SV_accuracy", i_SV_accuracy); //!< User Range Accuracy (URA) index of the SV (reference paragraph 6.2.1) for the standard positioning service user (Ref 20.3.3.3.1.3 IS-GPS-200K)
archive& make_nvp("i_SV_accuracy", i_SV_accuracy); //!< User Range Accuracy (URA) index of the SV (reference paragraph 6.2.1) for the standard positioning service user (Ref 20.3.3.3.1.3 IS-GPS-200L)
archive& make_nvp("i_SV_health", i_SV_health);
archive& make_nvp("d_AODC", d_AODC); //!< Issue of Data, Clock
archive& make_nvp("d_TGD1", d_TGD1); //!< Estimated Group Delay Differential: L1-L2 correction term only for the benefit of "L1 P(Y)" or "L2 P(Y)" s users [s]
@ -189,7 +189,7 @@ private:
/*
* Accounts for the beginning or end of week crossover
*
* See paragraph 20.3.3.3.3.1 (IS-GPS-200K)
* See paragraph 20.3.3.3.3.1 (IS-GPS-200L)
* \param[in] - time in seconds
* \param[out] - corrected time, in seconds
*/

4
src/core/system_parameters/glonass_gnav_ephemeris.h
View File

@ -90,7 +90,7 @@ public:
/*!
* \brief Sets (\a d_satClkDrift)and returns the clock drift in seconds according to the User Algorithm for SV Clock Correction
* (IS-GPS-200K, 20.3.3.3.3.1)
* (IS-GPS-200L, 20.3.3.3.3.1)
*/
double sv_clock_drift(double transmitTime, double timeCorrUTC);
@ -169,7 +169,7 @@ private:
/*
* Accounts for the beginning or end of week crossover
*
* See paragraph 20.3.3.3.3.1 (IS-GPS-200K)
* See paragraph 20.3.3.3.3.1 (IS-GPS-200L)
* \param[in] - time in seconds
* \param[out] - corrected time, in seconds
*/

6
src/core/system_parameters/gps_almanac.h
View File

@ -28,9 +28,9 @@
/*!
* \brief This class is a storage for the GPS SV ALMANAC data as described in IS-GPS-200K
* \brief This class is a storage for the GPS SV ALMANAC data as described in IS-GPS-200L
*
* See https://www.gps.gov/technical/icwg/IS-GPS-200K.pdf Appendix II
* See https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf Appendix II
*/
class Gps_Almanac
{
@ -42,7 +42,7 @@ public:
uint32_t i_satellite_PRN{}; //!< SV PRN NUMBER
double d_Delta_i{}; //!< Inclination Angle at Reference Time (relative to i_0 = 0.30 semi-circles)
int32_t i_Toa{}; //!< Almanac data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200K) [s]
int32_t i_Toa{}; //!< Almanac data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200L) [s]
int32_t i_WNa{}; //!< Almanac week number
double d_M_0{}; //!< Mean Anomaly at Reference Time [semi-circles]
double d_e_eccentricity{}; //!< Eccentricity [dimensionless]

8
src/core/system_parameters/gps_cnav_ephemeris.cc
View File

@ -2,7 +2,7 @@
* \file gps_cnav_ephemeris.cc
* \brief Interface of a GPS CNAV EPHEMERIS storage and orbital model functions
*
* See https://www.gps.gov/technical/icwg/IS-GPS-200K.pdf Appendix III
* See https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf Appendix III
* \author Javier Arribas, 2015. jarribas(at)cttc.es
*
* -----------------------------------------------------------------------------
@ -53,7 +53,7 @@ double Gps_CNAV_Ephemeris::sv_clock_drift(double transmitTime)
// compute the relativistic correction term
double Gps_CNAV_Ephemeris::sv_clock_relativistic_term(double transmitTime)
{
const double A_REF = 26559710.0; // See IS-GPS-200K, pp. 163
const double A_REF = 26559710.0; // See IS-GPS-200L, pp. 161
const double d_sqrt_A = sqrt(A_REF + d_DELTA_A);
// Restore semi-major axis
@ -100,8 +100,8 @@ double Gps_CNAV_Ephemeris::sv_clock_relativistic_term(double transmitTime)
double Gps_CNAV_Ephemeris::satellitePosition(double transmitTime)
{
const double A_REF = 26559710.0; // See IS-GPS-200K, pp. 170
const double OMEGA_DOT_REF = -2.6e-9; // semicircles / s, see IS-GPS-200K pp. 164
const double A_REF = 26559710.0; // See IS-GPS-200L, pp. 161
const double OMEGA_DOT_REF = -2.6e-9; // semicircles / s, see IS-GPS-200L pp. 160
const double d_sqrt_A = sqrt(A_REF + d_DELTA_A);

22
src/core/system_parameters/gps_cnav_ephemeris.h
View File

@ -28,9 +28,9 @@
/*!
* \brief This class is a storage and orbital model functions for the GPS SV ephemeris data as described in IS-GPS-200K
* \brief This class is a storage and orbital model functions for the GPS SV ephemeris data as described in IS-GPS-200L
*
* See https://www.gps.gov/technical/icwg/IS-GPS-200K.pdf Appendix III
* See https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf Appendix III
*/
class Gps_CNAV_Ephemeris
{
@ -42,19 +42,19 @@ public:
/*!
* \brief Compute the ECEF SV coordinates and ECEF velocity
* Implementation of Table 20-IV (IS-GPS-200K)
* Implementation of Table 20-IV (IS-GPS-200L)
*/
double satellitePosition(double transmitTime);
/*!
* \brief Sets (\a d_satClkDrift)and returns the clock drift in seconds according to the User Algorithm for SV Clock Correction
* (IS-GPS-200K, 20.3.3.3.3.1)
* (IS-GPS-200L, 20.3.3.3.3.1)
*/
double sv_clock_drift(double transmitTime);
/*!
* \brief Sets (\a d_dtr) and returns the clock relativistic correction term in seconds according to the User Algorithm for SV Clock Correction
* (IS-GPS-200K, 20.3.3.3.3.1)
* (IS-GPS-200L, 20.3.3.3.3.1)
*/
double sv_clock_relativistic_term(double transmitTime);
@ -73,8 +73,8 @@ public:
double d_e_eccentricity{}; //!< Eccentricity
double d_OMEGA{}; //!< Argument of Perigee [semi-cicles]
double d_OMEGA0{}; //!< Longitude of Ascending Node of Orbit Plane at Weekly Epoch [semi-cicles]
int32_t d_Toe1{}; //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200K) [s]
int32_t d_Toe2{}; //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200K) [s]
int32_t d_Toe1{}; //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200L) [s]
int32_t d_Toe2{}; //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200L) [s]
double d_DELTA_OMEGA_DOT{}; //!< Rate of Right Ascension difference [semi-circles/s]
double d_i_0{}; //!< Inclination Angle at Reference Time [semi-circles]
double d_IDOT{}; //!< Rate of Inclination Angle [semi-circles/s]
@ -86,7 +86,7 @@ public:
double d_Cuc{}; //!< Amplitude of the Cosine Harmonic Correction Term to the Argument of Latitude [rad]
// Clock Correction and Accuracy Parameters
int32_t d_Toc{}; //!< clock data reference time (Ref. 20.3.3.3.3.1 IS-GPS-200K) [s]
int32_t d_Toc{}; //!< clock data reference time (Ref. 20.3.3.3.3.1 IS-GPS-200L) [s]
double d_A_f0{}; //!< Coefficient 0 of code phase offset model [s]
double d_A_f1{}; //!< Coefficient 1 of code phase offset model [s/s]
double d_A_f2{}; //!< Coefficient 2 of code phase offset model [s/s^2]
@ -152,9 +152,9 @@ public:
archive& make_nvp("d_Cuc", d_Cuc); //!< Amplitude of the Cosine Harmonic Correction Term to the Argument of Latitude [rad]
archive& make_nvp("d_e_eccentricity", d_e_eccentricity); //!< Eccentricity [dimensionless]
archive& make_nvp("d_Cus", d_Cus); //!< Amplitude of the Sine Harmonic Correction Term to the Argument of Latitude [rad]
archive& make_nvp("d_Toe1", d_Toe1); //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200K) [s]
archive& make_nvp("d_Toe2", d_Toe2); //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200K) [s]
archive& make_nvp("d_Toc", d_Toc); //!< clock data reference time (Ref. 20.3.3.3.3.1 IS-GPS-200K) [s]
archive& make_nvp("d_Toe1", d_Toe1); //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200L) [s]
archive& make_nvp("d_Toe2", d_Toe2); //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200L) [s]
archive& make_nvp("d_Toc", d_Toc); //!< clock data reference time (Ref. 20.3.3.3.3.1 IS-GPS-200L) [s]
archive& make_nvp("d_Cic", d_Cic); //!< Amplitude of the Cosine Harmonic Correction Term to the Angle of Inclination [rad]
archive& make_nvp("d_OMEGA0", d_OMEGA0); //!< Longitude of Ascending Node of Orbit Plane at Weekly Epoch [semi-circles]
archive& make_nvp("d_Cis", d_Cis); //!< Amplitude of the Sine Harmonic Correction Term to the Angle of Inclination [rad]

4
src/core/system_parameters/gps_cnav_iono.h
View File

@ -28,9 +28,9 @@
/*!
* \brief This class is a storage for the GPS IONOSPHERIC data as described in IS-GPS-200K
* \brief This class is a storage for the GPS IONOSPHERIC data as described in IS-GPS-200L
*
* See https://www.gps.gov/technical/icwg/IS-GPS-200K.pdf Appendix III
* See https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf Appendix III
*/
class Gps_CNAV_Iono
{

4
src/core/system_parameters/gps_cnav_navigation_message.cc
View File

@ -1,8 +1,8 @@
/*!
* \file gps_cnav_navigation_message.cc
* \brief Implementation of a GPS CNAV Data message decoder as described in IS-GPS-200K
* \brief Implementation of a GPS CNAV Data message decoder as described in IS-GPS-200L
*
* See https://www.gps.gov/technical/icwg/IS-GPS-200K.pdf Appendix III
* See https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf Appendix III
* \author Javier Arribas, 2015. jarribas(at)cttc.es
*
* -----------------------------------------------------------------------------

4
src/core/system_parameters/gps_cnav_navigation_message.h
View File

@ -37,9 +37,9 @@
/*!
* \brief This class decodes a GPS CNAV Data message as described in IS-GPS-200K
* \brief This class decodes a GPS CNAV Data message as described in IS-GPS-200L
*
* See https://www.gps.gov/technical/icwg/IS-GPS-200K.pdf Appendix III
* See https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf Appendix III
*/
class Gps_CNAV_Navigation_Message
{

12
src/core/system_parameters/gps_cnav_utc_model.h
View File

@ -28,9 +28,9 @@
/*!
* \brief This class is a storage for the GPS UTC MODEL data as described in in IS-GPS-200K
* \brief This class is a storage for the GPS UTC MODEL data as described in in IS-GPS-200L
*
* See https://www.gps.gov/technical/icwg/IS-GPS-200K.pdf Appendix III
* See https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf Appendix III
*/
class Gps_CNAV_Utc_Model
{
@ -41,10 +41,10 @@ public:
Gps_CNAV_Utc_Model() = default;
// UTC parameters
double d_A2{}; //!< 2nd order term of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200K) [s/s]
double d_A1{}; //!< 1st order term of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200K) [s/s]
double d_A0{}; //!< Constant of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200K) [s]
int32_t d_t_OT{}; //!< Reference time for UTC data (reference 20.3.4.5 and 20.3.3.5.2.4 IS-GPS-200K) [s]
double d_A2{}; //!< 2nd order term of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200L) [s/s]
double d_A1{}; //!< 1st order term of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200L) [s/s]
double d_A0{}; //!< Constant of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200L) [s]
int32_t d_t_OT{}; //!< Reference time for UTC data (reference 20.3.4.5 and 20.3.3.5.2.4 IS-GPS-200L) [s]
int32_t i_WN_T{}; //!< UTC reference week number [weeks]
int32_t d_DeltaT_LS{}; //!< delta time due to leap seconds [s]. Number of leap seconds since 6-Jan-1980 as transmitted by the GPS almanac.
int32_t i_WN_LSF{}; //!< Week number at the end of which the leap second becomes effective [weeks]

2
src/core/system_parameters/gps_ephemeris.cc
View File

@ -2,7 +2,7 @@
* \file gps_ephemeris.cc
* \brief Interface of a GPS EPHEMERIS storage and orbital model functions
*
* See https://www.gps.gov/technical/icwg/IS-GPS-200K.pdf Appendix II
* See https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf Appendix II
* \author Javier Arribas, 2013. jarribas(at)cttc.es
*
* -----------------------------------------------------------------------------

24
src/core/system_parameters/gps_ephemeris.h
View File

@ -31,9 +31,9 @@
/*!
* \brief This class is a storage and orbital model functions for the GPS SV ephemeris data as described in IS-GPS-200K
* \brief This class is a storage and orbital model functions for the GPS SV ephemeris data as described in IS-GPS-200L
*
* See https://www.gps.gov/technical/icwg/IS-GPS-200K.pdf Appendix II
* See https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf Appendix II
*/
class Gps_Ephemeris
{
@ -45,20 +45,20 @@ public:
/*!
* \brief Compute the ECEF SV coordinates and ECEF velocity
* Implementation of Table 20-IV (IS-GPS-200K)
* Implementation of Table 20-IV (IS-GPS-200L)
* and compute the clock bias term including relativistic effect (return value)
*/
double satellitePosition(double transmitTime);
/*!
* \brief Sets (\a d_satClkDrift)and returns the clock drift in seconds according to the User Algorithm for SV Clock Correction
* (IS-GPS-200K, 20.3.3.3.3.1)
* (IS-GPS-200L, 20.3.3.3.3.1)
*/
double sv_clock_drift(double transmitTime);
/*!
* \brief Sets (\a d_dtr) and returns the clock relativistic correction term in seconds according to the User Algorithm for SV Clock Correction
* (IS-GPS-200K, 20.3.3.3.3.1)
* (IS-GPS-200L, 20.3.3.3.3.1)
*/
double sv_clock_relativistic_term(double transmitTime);
@ -71,8 +71,8 @@ public:
double d_e_eccentricity{}; //!< Eccentricity [dimensionless]
double d_Cus{}; //!< Amplitude of the Sine Harmonic Correction Term to the Argument of Latitude [rad]
double d_sqrt_A{}; //!< Square Root of the Semi-Major Axis [sqrt(m)]
int32_t d_Toe{}; //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200K) [s]
int32_t d_Toc{}; //!< clock data reference time (Ref. 20.3.3.3.3.1 IS-GPS-200K) [s]
int32_t d_Toe{}; //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200L) [s]
int32_t d_Toc{}; //!< clock data reference time (Ref. 20.3.3.3.3.1 IS-GPS-200L) [s]
double d_Cic{}; //!< Amplitude of the Cosine Harmonic Correction Term to the Angle of Inclination [rad]
double d_OMEGA0{}; //!< Longitude of Ascending Node of Orbit Plane at Weekly Epoch [semi-circles]
double d_Cis{}; //!< Amplitude of the Sine Harmonic Correction Term to the Angle of Inclination [rad]
@ -84,7 +84,7 @@ public:
int32_t i_code_on_L2{}; //!< If 1, P code ON in L2; if 2, C/A code ON in L2;
int32_t i_GPS_week{}; //!< GPS week number, aka WN [week]
bool b_L2_P_data_flag{}; //!< When true, indicates that the NAV data stream was commanded OFF on the P-code of the L2 channel
int32_t i_SV_accuracy{}; //!< User Range Accuracy (URA) index of the SV (reference paragraph 6.2.1) for the standard positioning service user (Ref 20.3.3.3.1.3 IS-GPS-200K)
int32_t i_SV_accuracy{}; //!< User Range Accuracy (URA) index of the SV (reference paragraph 6.2.1) for the standard positioning service user (Ref 20.3.3.3.1.3 IS-GPS-200L)
int32_t i_SV_health{};
double d_TGD{}; //!< Estimated Group Delay Differential: L1-L2 correction term only for the benefit of "L1 P(Y)" or "L2 P(Y)" s users [s]
int32_t d_IODC{}; //!< Issue of Data, Clock
@ -155,8 +155,8 @@ public:
archive& make_nvp("d_e_eccentricity", d_e_eccentricity); //!< Eccentricity [dimensionless]
archive& make_nvp("d_Cus", d_Cus); //!< Amplitude of the Sine Harmonic Correction Term to the Argument of Latitude [rad]
archive& make_nvp("d_sqrt_A", d_sqrt_A); //!< Square Root of the Semi-Major Axis [sqrt(m)]
archive& make_nvp("d_Toe", d_Toe); //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200K) [s]
archive& make_nvp("d_Toc", d_Toc); //!< clock data reference time (Ref. 20.3.3.3.3.1 IS-GPS-200K) [s]
archive& make_nvp("d_Toe", d_Toe); //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200L) [s]
archive& make_nvp("d_Toc", d_Toc); //!< clock data reference time (Ref. 20.3.3.3.3.1 IS-GPS-200L) [s]
archive& make_nvp("d_Cic", d_Cic); //!< Amplitude of the Cosine Harmonic Correction Term to the Angle of Inclination [rad]
archive& make_nvp("d_OMEGA0", d_OMEGA0); //!< Longitude of Ascending Node of Orbit Plane at Weekly Epoch [semi-circles]
archive& make_nvp("d_Cis", d_Cis); //!< Amplitude of the Sine Harmonic Correction Term to the Angle of Inclination [rad]
@ -168,7 +168,7 @@ public:
archive& make_nvp("i_code_on_L2", i_code_on_L2); //!< If 1, P code ON in L2; if 2, C/A code ON in L2;
archive& make_nvp("i_GPS_week", i_GPS_week); //!< GPS week number, aka WN [week]
archive& make_nvp("b_L2_P_data_flag", b_L2_P_data_flag); //!< When true, indicates that the NAV data stream was commanded OFF on the P-code of the L2 channel
archive& make_nvp("i_SV_accuracy", i_SV_accuracy); //!< User Range Accuracy (URA) index of the SV (reference paragraph 6.2.1) for the standard positioning service user (Ref 20.3.3.3.1.3 IS-GPS-200K)
archive& make_nvp("i_SV_accuracy", i_SV_accuracy); //!< User Range Accuracy (URA) index of the SV (reference paragraph 6.2.1) for the standard positioning service user (Ref 20.3.3.3.1.3 IS-GPS-200L)
archive& make_nvp("i_SV_health", i_SV_health);
archive& make_nvp("d_TGD", d_TGD); //!< Estimated Group Delay Differential: L1-L2 correction term only for the benefit of "L1 P(Y)" or "L2 P(Y)" s users [s]
archive& make_nvp("d_IODC", d_IODC); //!< Issue of Data, Clock
@ -191,7 +191,7 @@ private:
/*
* Accounts for the beginning or end of week crossover
*
* See paragraph 20.3.3.3.3.1 (IS-GPS-200K)
* See paragraph 20.3.3.3.3.1 (IS-GPS-200L)
* \param[in] - time in seconds
* \param[out] - corrected time, in seconds
*/

4
src/core/system_parameters/gps_iono.h
View File

@ -28,9 +28,9 @@
/*!
* \brief This class is a storage for the GPS IONOSPHERIC data as described in IS-GPS-200K
* \brief This class is a storage for the GPS IONOSPHERIC data as described in IS-GPS-200L
*
* See https://www.gps.gov/technical/icwg/IS-GPS-200K.pdf Appendix II
* See https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf Appendix II
*/
class Gps_Iono
{

4
src/core/system_parameters/gps_navigation_message.cc
View File

@ -3,7 +3,7 @@
* \brief Implementation of a GPS NAV Data message decoder as described in IS-GPS-200K
* \author Javier Arribas, 2011. jarribas(at)cttc.es
*
* See https://www.gps.gov/technical/icwg/IS-GPS-200K.pdf Appendix II
* See https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf Appendix II
*
*
* -----------------------------------------------------------------------------
@ -135,7 +135,7 @@ int32_t Gps_Navigation_Message::subframe_decoder(char* subframe)
switch (subframe_ID)
{
// --- Decode the sub-frame id -----------------------------------------
// ICD (IS-GPS-200K Appendix II). https://www.gps.gov/technical/icwg/IS-GPS-200K.pdf
// ICD (IS-GPS-200K Appendix II). https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf
case 1:
// --- It is subframe 1 -------------------------------------
// Compute the time of week (TOW) of the first sub-frames in the array ====

18
src/core/system_parameters/gps_navigation_message.h
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@ -38,9 +38,9 @@
/*!
* \brief This class decodes a GPS NAV Data message as described in IS-GPS-200K
* \brief This class decodes a GPS NAV Data message as described in IS-GPS-200L
*
* See https://www.gps.gov/technical/icwg/IS-GPS-200K.pdf Appendix II
* See https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf Appendix II
*/
class Gps_Navigation_Message
{
@ -72,7 +72,7 @@ public:
/*!
* \brief Computes the Coordinated Universal Time (UTC) and
* returns it in [s] (IS-GPS-200K, 20.3.3.5.2.4)
* returns it in [s] (IS-GPS-200L, 20.3.3.5.2.4)
*/
double utc_time(const double gpstime_corrected) const;
@ -162,8 +162,8 @@ private:
double d_Cus{}; // Amplitude of the Sine Harmonic Correction Term to the Argument of Latitude [rad]
double d_sqrt_A{}; // Square Root of the Semi-Major Axis [sqrt(m)]
// broadcast orbit 3
int32_t d_Toe{}; // Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200K) [s]
int32_t d_Toc{}; // clock data reference time (Ref. 20.3.3.3.3.1 IS-GPS-200K) [s]
int32_t d_Toe{}; // Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200L) [s]
int32_t d_Toc{}; // clock data reference time (Ref. 20.3.3.3.3.1 IS-GPS-200L) [s]
double d_Cic{}; // Amplitude of the Cosine Harmonic Correction Term to the Angle of Inclination [rad]
double d_OMEGA0{}; // Longitude of Ascending Node of Orbit Plane at Weekly Epoch [semi-circles]
double d_Cis{}; // Amplitude of the Sine Harmonic Correction Term to the Angle of Inclination [rad]
@ -178,7 +178,7 @@ private:
int32_t i_GPS_week{}; // GPS week number, aka WN [week]
bool b_L2_P_data_flag{}; // When true, indicates that the NAV data stream was commanded OFF on the P-code of the L2 channel
// broadcast orbit 6
int32_t i_SV_accuracy{}; // User Range Accuracy (URA) index of the SV (reference paragraph 6.2.1) for the standard positioning service user (Ref 20.3.3.3.1.3 IS-GPS-200K)
int32_t i_SV_accuracy{}; // User Range Accuracy (URA) index of the SV (reference paragraph 6.2.1) for the standard positioning service user (Ref 20.3.3.3.1.3 IS-GPS-200L)
int32_t i_SV_health{};
double d_TGD{}; // Estimated Group Delay Differential: L1-L2 correction term only for the benefit of "L1 P(Y)" or "L2 P(Y)" s users [s]
int32_t d_IODC{}; // Issue of Data, Clock
@ -226,10 +226,10 @@ private:
double d_beta3{}; // Coefficient 3 of a cubic equation representing the period of the model [s(semi-circle)^3]
// UTC parameters
double d_A0{}; // Constant of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200K) [s]
double d_A1{}; // 1st order term of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200K) [s/s]
double d_A0{}; // Constant of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200L) [s]
double d_A1{}; // 1st order term of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200L) [s/s]
int32_t d_t_OT{}; // Reference time for UTC data (reference 20.3.4.5 and 20.3.3.5.2.4 IS-GPS-200K) [s]
int32_t d_t_OT{}; // Reference time for UTC data (reference 20.3.4.5 and 20.3.3.5.2.4 IS-GPS-200L) [s]
int32_t i_WN_T{}; // UTC reference week number [weeks]
int32_t d_DeltaT_LS{}; // delta time due to leap seconds [s]. Number of leap seconds since 6-Jan-1980 as transmitted by the GPS almanac.
int32_t i_WN_LSF{}; // Week number at the end of which the leap second becomes effective [weeks]

12
src/core/system_parameters/gps_utc_model.h
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@ -28,9 +28,9 @@
/*!
* \brief This class is a storage for the GPS UTC MODEL data as described in IS-GPS-200K
* \brief This class is a storage for the GPS UTC MODEL data as described in IS-GPS-200L
*
* See https://www.gps.gov/technical/icwg/IS-GPS-200K.pdf Appendix II
* See https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf Appendix II
*/
class Gps_Utc_Model
{
@ -41,10 +41,10 @@ public:
Gps_Utc_Model() = default;
// UTC parameters
double d_A0{}; //!< Constant of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200K) [s]
double d_A1{}; //!< 1st order term of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200K) [s/s]
double d_A2{}; //!< 2nd order term of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200K) [s/s]
int32_t d_t_OT{}; //!< Reference time for UTC data (reference 20.3.4.5 and 20.3.3.5.2.4 IS-GPS-200K) [s]
double d_A0{}; //!< Constant of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200L) [s]
double d_A1{}; //!< 1st order term of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200L) [s/s]
double d_A2{}; //!< 2nd order term of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200L) [s/s]
int32_t d_t_OT{}; //!< Reference time for UTC data (reference 20.3.4.5 and 20.3.3.5.2.4 IS-GPS-200L) [s]
int32_t i_WN_T{}; //!< UTC reference week number [weeks]
int32_t d_DeltaT_LS{}; //!< delta time due to leap seconds [s]. Number of leap seconds since 6-Jan-1980 as transmitted by the GPS almanac.
int32_t i_WN_LSF{}; //!< Week number at the end of which the leap second becomes effective [weeks]