feature: Remove satellite position computation from GNAV Almanac

Removes the satellite position computation from the GNAV Almanac object
since it does not seems to be a great usage at the moment. Possible
addition of the fields should be added to the RTKLib API

src/core/system_parameters/glonass_gnav_almanac.cc

@@ -54,124 +54,5 @@ Glonass_Gnav_Almanac::Glonass_Gnav_Almanac()
   d_tau_n_A = 0.0;
   d_C_n = false;
   d_l_n = false;
-}
-
-void Glonass_Gnav_Almanac::satellite_position(double N_A, double N_i, double t_i)
-{
-  double T_nom = 43200;     // [seconds]
-  double i_nom = D2R*63.0;  // [rad]
-
-  double Delta_t = 0.0;
-  double i = 0.0;
-  double T = 0.0;
-  double n = 0.0;
-  double a = 0.0;
-  double lambda_dot = 0.0;
-  double omega_dot = 0.0;
-  double lambda = 0.0;
-  double omega = 0.0;
-  double E_P = 0.0;
-  double Delta_T = 0.0;
-  double M = 0.0;
-  double E = 0.0;
-  double E_old = 0.0;
-  double dE = 0.0;
-
-  double e1_x = 0.0;
-  double e1_y = 0.0;
-  double e1_z = 0.0;
-
-  double e2_x = 0.0;
-  double e2_y = 0.0;
-  double e2_z = 0.0;
-  // Compute time difference to reference time
-  Delta_t = (N_i - N_A) * 86400 + (t_i + d_t_lambda_n_A);
-
-  // Compute the actual inclination
-  i = i_nom + d_Delta_i_n_A;
-
-  // Compute the actual orbital period:
-  T = T_nom + d_Delta_T_n_A;
-
-  // Compute the mean motion
-  n = 2*GLONASS_PI/T;
-
-  // Compute the semi-major axis:
-  a = cbrt(GLONASS_GM/(n*n));
-
-  // Compute correction to longitude of ascending node
-  lambda_dot = -10*pow(GLONASS_SEMI_MAJOR_AXIS / a, 7/2)*D2R*cos(i)/86400;
-
-  // Compute correction to argument of perigee
-  omega_dot = 5*pow(GLONASS_SEMI_MAJOR_AXIS / a, 7/2)*D2R*(5*cos(i)*cos(i) - 1)/86400;
-
-  // Compute corrected longitude of ascending node:
-  lambda = d_lambda_n_A + (lambda_dot - GLONASS_OMEGA_EARTH_DOT)*Delta_t;
-
-  // Compute corrected argument of perigee:
-  omega = d_omega_n_A + omega_dot*Delta_t;
-
-  // Compute eccentric anomaly at point P: Note: P is that point of the orbit the true anomaly of which is identical to the argument of perigee.
-  E_P = 2*atan(tan((omega/2)*(sqrt((1 - d_epsilon_n_A)*(1 + d_epsilon_n_A)))));
-
-  // Compute time difference to perigee passing
-  if (omega < GLONASS_PI)
-    {
-        Delta_T = (E_P - d_epsilon_n_A*sin(E_P))/n;
-    }
-  else
-    {
-      Delta_T = (E_P - d_epsilon_n_A*sin(E_P))/n + T;
-    }
-
-  // Compute mean anomaly at epoch t_i:
-  M = n * (Delta_t - Delta_T);
-
-  // Compute eccentric anomaly at epoch t_i. Note: Kepler’s equation has to be solved iteratively
-
-  // Initial guess of eccentric anomaly
-  E = M;
-
-  // --- Iteratively compute eccentric anomaly ----------------------------
-  for (int ii = 1; ii < 20; ii++)
-      {
-          E_old   = E;
-          E       = M + d_epsilon_n_A * sin(E);
-          dE      = fmod(E - E_old, 2.0 * GLONASS_PI);
-          if (fabs(dE) < 1e-12)
-              {
-                  //Necessary precision is reached, exit from the loop
-                  break;
-              }
-      }
-
-  // Compute position in orbital coordinate system
-  d_satpos_Xo = a*cos(E) - d_epsilon_n_A;
-  d_satpos_Yo = a*sqrt(1 - d_epsilon_n_A*d_epsilon_n_A)*sin(E);
-  d_satpos_Zo = a*0;
-
-  // Compute velocity in orbital coordinate system
-  d_satvel_Xo = a/(1-d_epsilon_n_A*cos(E))*(-n*sin(E));
-  d_satvel_Yo = a/(1-d_epsilon_n_A*cos(E))*(n*sqrt(1 - d_epsilon_n_A*d_epsilon_n_A)*cos(E));
-  d_satvel_Zo = a/(1-d_epsilon_n_A*cos(E))*(0);
-
-  // Determine orientation vectors of orbital coordinate system in ECEF system
-  e1_x = cos(omega)*cos(lambda) - sin(omega)*sin(lambda);
-  e1_y = cos(omega)*sin(lambda) + sin(omega)*cos(lambda)*cos(i);
-  e1_z = sin(omega)*sin(i);
-
-  e2_x = -sin(omega)*cos(lambda) - sin(omega)*sin(lambda)*cos(i);
-  e2_y = -sin(omega)*sin(lambda) + cos(omega)*cos(lambda)*cos(i);
-  e2_z = cos(omega)*sin(i);
-
-  // Convert position from orbital to ECEF system
-  d_satpos_X = d_satpos_Xo*e1_x + d_satpos_Xo*e2_x;
-  d_satpos_Y = d_satpos_Yo*e1_z + d_satpos_Yo*e2_y;
-  d_satpos_Z = d_satpos_Zo*e1_z + d_satpos_Zo*e2_z;
-
-  // Convert position from orbital to ECEF system
-  d_satvel_X = d_satvel_Xo*e1_x + d_satvel_Xo*e2_x + GLONASS_OMEGA_EARTH_DOT*d_satpos_Y;
-  d_satvel_Y = d_satvel_Yo*e1_z + d_satvel_Yo*e2_y - GLONASS_OMEGA_EARTH_DOT*d_satpos_X;
-  d_satvel_Z = d_satvel_Zo*e1_z + d_satvel_Zo*e2_z;
 
 }

src/core/system_parameters/glonass_gnav_almanac.h

@@ -49,13 +49,13 @@ class Glonass_Gnav_Almanac
 public:
     double d_n_A;               //!< Conventional number of satellite within GLONASS space segment [dimensionless]
     double d_H_n_A;             //!< Carrier frequency number of navigation RF signal transmitted by d_nA satellite as table 4.10 (0-31) [dimensionless]
-    double d_lambda_n_A;        //!< Longitude of the first (within the d_NA day) ascending node of d_nA  [semi-circles]
+    double d_lambda_n_A;        //!< Longitude of the first (within the d_NA day) ascending node of d_nA [radians]
     double d_t_lambda_n_A;      //!< Time of first ascending node passage [s]
-    double d_Delta_i_n_A;       //!< Correction of the mean value of inclination of d_n_A satellite at instant t_lambda_n_A [semi-circles]
+    double d_Delta_i_n_A;       //!< Correction of the mean value of inclination of d_n_A satellite at instant t_lambda_n_A [radians]
-    double d_Delta_T_n_A;       //!< Correction to the mean value of Draconian period of d_n_A satellite at instant t_lambda_n_A[s / orbital period]
+    double d_Delta_T_n_A;       //!< Correction to the mean value of Draconian period of d_n_A satellite at instant t_lambda_n_A [s / orbital period]
     double d_Delta_T_n_A_dot;   //!< Rate of change of Draconian period of d_n_A satellite at instant t_lambda_n_A [s / orbital period^2]
     double d_epsilon_n_A;       //!< Eccentricity of d_n_A satellite at instant t_lambda_n_A [dimensionless]
-    double d_omega_n_A;         //!< Argument of preigree of d_n_A satellite at instant t_lambdan_A [semi-circles]
+    double d_omega_n_A;         //!< Argument of perigee of d_n_A satellite at instant t_lambdan_A [radians]
     double d_M_n_A;             //!< Type of satellite n_A [dimensionless]
     double d_KP;                //!< Notification on forthcoming leap second correction of UTC [dimensionless]
     double d_tau_n_A;           //!< Coarse value of d_n_A satellite time correction to GLONASS time at instant  t_lambdan_A[s]
@@ -67,24 +67,6 @@ public:
     unsigned int i_satellite_PRN;           //!< SV PRN Number, equivalent to slot number for compatibility with GPS
     unsigned int i_satellite_slot_number;   //!< SV Slot Number
 
-    // satellite positions
-    double d_satpos_Xo;        //!< Earth-fixed coordinate x of the satellite in PZ-90.02 coordinate system [km].
-    double d_satpos_Yo;        //!< Earth-fixed coordinate y of the satellite in PZ-90.02 coordinate system [km]
-    double d_satpos_Zo;        //!< Earth-fixed coordinate z of the satellite in PZ-90.02 coordinate system [km]
-    // Satellite velocity
-    double d_satvel_Xo;        //!< Earth-fixed velocity coordinate x of the satellite in PZ-90.02 coordinate system [km/s]
-    double d_satvel_Yo;        //!< Earth-fixed velocity coordinate y of the satellite in PZ-90.02 coordinate system [km/s]
-    double d_satvel_Zo;        //!< Earth-fixed velocity coordinate z of the satellite in PZ-90.02 coordinate system [km/s]
-
-    // satellite positions
-    double d_satpos_X;        //!< Earth-fixed coordinate x of the satellite in PZ-90.02 coordinate system [km].
-    double d_satpos_Y;        //!< Earth-fixed coordinate y of the satellite in PZ-90.02 coordinate system [km]
-    double d_satpos_Z;        //!< Earth-fixed coordinate z of the satellite in PZ-90.02 coordinate system [km]
-    // Satellite velocity
-    double d_satvel_X;        //!< Earth-fixed velocity coordinate x of the satellite in PZ-90.02 coordinate system [km/s]
-    double d_satvel_Y;        //!< Earth-fixed velocity coordinate y of the satellite in PZ-90.02 coordinate system [km/s]
-    double d_satvel_Z;        //!< Earth-fixed velocity coordinate z of the satellite in PZ-90.02 coordinate system [km/s]
-
     template<class Archive>
     /*!
      * \brief Serialize is a boost standard method to be called by the boost XML serialization. Here is used to save the almanac data on disk file.
@@ -113,7 +95,6 @@ public:
         archive & make_nvp("d_l_n", d_l_n);
     }
 
-    void satellite_position(double N_A, double N_i, double t_i);
     /*!
      * Default constructor
      */

src/core/system_parameters/glonass_gnav_navigation_message.cc

@@ -470,8 +470,8 @@ int Glonass_Gnav_Navigation_Message::string_decoder(std::string frame_string)
             gnav_almanac[i_alm_satellite_slot_number - 1].d_M_n_A = static_cast<double>(read_navigation_unsigned(string_bits, M_N_A));
             gnav_almanac[i_alm_satellite_slot_number - 1].d_n_A = static_cast<double>(read_navigation_unsigned(string_bits, n_A));
             gnav_almanac[i_alm_satellite_slot_number - 1].d_tau_n_A = static_cast<double>(read_navigation_unsigned(string_bits, TAU_N_A)) * TWO_N18;
-            gnav_almanac[i_alm_satellite_slot_number - 1].d_lambda_n_A = static_cast<double>(read_navigation_signed(string_bits, LAMBDA_N_A)) * TWO_N20;
+            gnav_almanac[i_alm_satellite_slot_number - 1].d_lambda_n_A = static_cast<double>(read_navigation_signed(string_bits, LAMBDA_N_A)) * TWO_N20 * GLONASS_PI;
-            gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_i_n_A = static_cast<double>(read_navigation_signed(string_bits, DELTA_I_N_A)) * TWO_N20;
+            gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_i_n_A = static_cast<double>(read_navigation_signed(string_bits, DELTA_I_N_A)) * TWO_N20 * GLONASS_PI;
             gnav_almanac[i_alm_satellite_slot_number - 1].d_epsilon_n_A = static_cast<double>(read_navigation_unsigned(string_bits, EPSILON_N_A)) * TWO_N20;
 
             flag_almanac_str_6 = true;
@@ -482,7 +482,7 @@ int Glonass_Gnav_Navigation_Message::string_decoder(std::string frame_string)
             // --- It is string 7 ----------------------------------------------
             if (flag_almanac_str_6 == true)
                 {
-                    gnav_almanac[i_alm_satellite_slot_number - 1].d_omega_n_A = static_cast<double>(read_navigation_signed(string_bits, OMEGA_N_A)) * TWO_N15;
+                    gnav_almanac[i_alm_satellite_slot_number - 1].d_omega_n_A = static_cast<double>(read_navigation_signed(string_bits, OMEGA_N_A)) * TWO_N15 * GLONASS_PI;
                     gnav_almanac[i_alm_satellite_slot_number - 1].d_t_lambda_n_A = static_cast<double>(read_navigation_unsigned(string_bits, T_LAMBDA_N_A)) * TWO_N5;
                     gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_T_n_A = static_cast<double>(read_navigation_signed(string_bits, DELTA_T_N_A)) * TWO_N9;
                     gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_T_n_A_dot = static_cast<double>(read_navigation_signed(string_bits, DELTA_T_DOT_N_A)) * TWO_N14;
@@ -515,8 +515,8 @@ int Glonass_Gnav_Navigation_Message::string_decoder(std::string frame_string)
             gnav_almanac[i_alm_satellite_slot_number - 1].d_M_n_A = static_cast<double>(read_navigation_unsigned(string_bits, M_N_A));
             gnav_almanac[i_alm_satellite_slot_number - 1].d_n_A = static_cast<double>(read_navigation_unsigned(string_bits, n_A));
             gnav_almanac[i_alm_satellite_slot_number - 1].d_tau_n_A = static_cast<double>(read_navigation_unsigned(string_bits, TAU_N_A)) * TWO_N18;
-            gnav_almanac[i_alm_satellite_slot_number - 1].d_lambda_n_A = static_cast<double>(read_navigation_signed(string_bits, LAMBDA_N_A)) * TWO_N20;
+            gnav_almanac[i_alm_satellite_slot_number - 1].d_lambda_n_A = static_cast<double>(read_navigation_signed(string_bits, LAMBDA_N_A)) * TWO_N20 * GLONASS_PI;
-            gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_i_n_A = static_cast<double>(read_navigation_signed(string_bits, DELTA_I_N_A)) * TWO_N20;
+            gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_i_n_A = static_cast<double>(read_navigation_signed(string_bits, DELTA_I_N_A)) * TWO_N20 * GLONASS_PI;
             gnav_almanac[i_alm_satellite_slot_number - 1].d_epsilon_n_A = static_cast<double>(read_navigation_unsigned(string_bits, EPSILON_N_A)) * TWO_N20;
 
             flag_almanac_str_8 = true;
@@ -526,7 +526,7 @@ int Glonass_Gnav_Navigation_Message::string_decoder(std::string frame_string)
             // --- It is string 9 ----------------------------------------------
             if (flag_almanac_str_8 == true)
                 {
-                    gnav_almanac[i_alm_satellite_slot_number - 1].d_omega_n_A = static_cast<double>(read_navigation_signed(string_bits, OMEGA_N_A)) * TWO_N15;
+                    gnav_almanac[i_alm_satellite_slot_number - 1].d_omega_n_A = static_cast<double>(read_navigation_signed(string_bits, OMEGA_N_A)) * TWO_N15 * GLONASS_PI;
                     gnav_almanac[i_alm_satellite_slot_number - 1].d_t_lambda_n_A = static_cast<double>(read_navigation_unsigned(string_bits, T_LAMBDA_N_A)) * TWO_N5;
                     gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_T_n_A = static_cast<double>(read_navigation_signed(string_bits, DELTA_T_N_A)) * TWO_N9;
                     gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_T_n_A_dot = static_cast<double>(read_navigation_signed(string_bits, DELTA_T_DOT_N_A)) * TWO_N14;
@@ -553,8 +553,8 @@ int Glonass_Gnav_Navigation_Message::string_decoder(std::string frame_string)
             gnav_almanac[i_alm_satellite_slot_number - 1].d_M_n_A = static_cast<double>(read_navigation_unsigned(string_bits, M_N_A));
             gnav_almanac[i_alm_satellite_slot_number - 1].d_n_A = static_cast<double>(read_navigation_unsigned(string_bits, n_A));
             gnav_almanac[i_alm_satellite_slot_number - 1].d_tau_n_A = static_cast<double>(read_navigation_unsigned(string_bits, TAU_N_A)) * TWO_N18;
-            gnav_almanac[i_alm_satellite_slot_number - 1].d_lambda_n_A = static_cast<double>(read_navigation_signed(string_bits, LAMBDA_N_A)) * TWO_N20;
+            gnav_almanac[i_alm_satellite_slot_number - 1].d_lambda_n_A = static_cast<double>(read_navigation_signed(string_bits, LAMBDA_N_A)) * TWO_N20 * GLONASS_PI;
-            gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_i_n_A = static_cast<double>(read_navigation_signed(string_bits, DELTA_I_N_A)) * TWO_N20;
+            gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_i_n_A = static_cast<double>(read_navigation_signed(string_bits, DELTA_I_N_A)) * TWO_N20 * GLONASS_PI;
             gnav_almanac[i_alm_satellite_slot_number - 1].d_epsilon_n_A = static_cast<double>(read_navigation_unsigned(string_bits, EPSILON_N_A)) * TWO_N20;
 
             flag_almanac_str_10 = true;
@@ -565,7 +565,7 @@ int Glonass_Gnav_Navigation_Message::string_decoder(std::string frame_string)
             // --- It is string 11 ---------------------------------------------
             if (flag_almanac_str_10 == true)
                 {
-                    gnav_almanac[i_alm_satellite_slot_number - 1].d_omega_n_A = static_cast<double>(read_navigation_signed(string_bits, OMEGA_N_A)) * TWO_N15;
+                    gnav_almanac[i_alm_satellite_slot_number - 1].d_omega_n_A = static_cast<double>(read_navigation_signed(string_bits, OMEGA_N_A)) * TWO_N15 * GLONASS_PI;
                     gnav_almanac[i_alm_satellite_slot_number - 1].d_t_lambda_n_A = static_cast<double>(read_navigation_unsigned(string_bits, T_LAMBDA_N_A)) * TWO_N5;
                     gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_T_n_A = static_cast<double>(read_navigation_signed(string_bits, DELTA_T_N_A)) * TWO_N9;
                     gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_T_n_A_dot = static_cast<double>(read_navigation_signed(string_bits, DELTA_T_DOT_N_A)) * TWO_N14;
@@ -592,8 +592,8 @@ int Glonass_Gnav_Navigation_Message::string_decoder(std::string frame_string)
             gnav_almanac[i_alm_satellite_slot_number - 1].d_M_n_A = static_cast<double>(read_navigation_unsigned(string_bits, M_N_A));
             gnav_almanac[i_alm_satellite_slot_number - 1].d_n_A = static_cast<double>(read_navigation_unsigned(string_bits, n_A));
             gnav_almanac[i_alm_satellite_slot_number - 1].d_tau_n_A = static_cast<double>(read_navigation_unsigned(string_bits, TAU_N_A)) * TWO_N18;
-            gnav_almanac[i_alm_satellite_slot_number - 1].d_lambda_n_A = static_cast<double>(read_navigation_signed(string_bits, LAMBDA_N_A)) * TWO_N20;
+            gnav_almanac[i_alm_satellite_slot_number - 1].d_lambda_n_A = static_cast<double>(read_navigation_signed(string_bits, LAMBDA_N_A)) * TWO_N20 * GLONASS_PI;
-            gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_i_n_A = static_cast<double>(read_navigation_signed(string_bits, DELTA_I_N_A)) * TWO_N20;
+            gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_i_n_A = static_cast<double>(read_navigation_signed(string_bits, DELTA_I_N_A)) * TWO_N20 * GLONASS_PI;
             gnav_almanac[i_alm_satellite_slot_number - 1].d_epsilon_n_A = static_cast<double>(read_navigation_unsigned(string_bits, EPSILON_N_A)) * TWO_N20;
 
             flag_almanac_str_12 = true;
@@ -604,7 +604,7 @@ int Glonass_Gnav_Navigation_Message::string_decoder(std::string frame_string)
             // --- It is string 13 ---------------------------------------------
             if (flag_almanac_str_12 == true)
                 {
-                    gnav_almanac[i_alm_satellite_slot_number - 1].d_omega_n_A = static_cast<double>(read_navigation_signed(string_bits, OMEGA_N_A)) * TWO_N15;
+                    gnav_almanac[i_alm_satellite_slot_number - 1].d_omega_n_A = static_cast<double>(read_navigation_signed(string_bits, OMEGA_N_A)) * TWO_N15 * GLONASS_PI;
                     gnav_almanac[i_alm_satellite_slot_number - 1].d_t_lambda_n_A = static_cast<double>(read_navigation_unsigned(string_bits, T_LAMBDA_N_A)) * TWO_N5;
                     gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_T_n_A = static_cast<double>(read_navigation_signed(string_bits, DELTA_T_N_A)) * TWO_N9;
                     gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_T_n_A_dot = static_cast<double>(read_navigation_signed(string_bits, DELTA_T_DOT_N_A)) * TWO_N14;
@@ -638,8 +638,8 @@ int Glonass_Gnav_Navigation_Message::string_decoder(std::string frame_string)
                     gnav_almanac[i_alm_satellite_slot_number - 1].d_M_n_A = static_cast<double>(read_navigation_unsigned(string_bits, M_N_A));
                     gnav_almanac[i_alm_satellite_slot_number - 1].d_n_A = static_cast<double>(read_navigation_unsigned(string_bits, n_A));
                     gnav_almanac[i_alm_satellite_slot_number - 1].d_tau_n_A = static_cast<double>(read_navigation_unsigned(string_bits, TAU_N_A)) * TWO_N18;
-                    gnav_almanac[i_alm_satellite_slot_number - 1].d_lambda_n_A = static_cast<double>(read_navigation_signed(string_bits, LAMBDA_N_A)) * TWO_N20;
+                    gnav_almanac[i_alm_satellite_slot_number - 1].d_lambda_n_A = static_cast<double>(read_navigation_signed(string_bits, LAMBDA_N_A)) * TWO_N20 * GLONASS_PI;
-                    gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_i_n_A = static_cast<double>(read_navigation_signed(string_bits, DELTA_I_N_A)) * TWO_N20;
+                    gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_i_n_A = static_cast<double>(read_navigation_signed(string_bits, DELTA_I_N_A)) * TWO_N20 * GLONASS_PI;
                     gnav_almanac[i_alm_satellite_slot_number - 1].d_epsilon_n_A = static_cast<double>(read_navigation_unsigned(string_bits, EPSILON_N_A)) * TWO_N20;
 
                     flag_almanac_str_14 = true;
@@ -651,7 +651,7 @@ int Glonass_Gnav_Navigation_Message::string_decoder(std::string frame_string)
         case 15:
             // --- It is string 9 ----------------------------------------------
             if (d_frame_ID != 5 and flag_almanac_str_14 == true) {
-                gnav_almanac[i_alm_satellite_slot_number - 1].d_omega_n_A = static_cast<double>(read_navigation_signed(string_bits, OMEGA_N_A)) * TWO_N15;
+                gnav_almanac[i_alm_satellite_slot_number - 1].d_omega_n_A = static_cast<double>(read_navigation_signed(string_bits, OMEGA_N_A)) * TWO_N15 * GLONASS_PI;
                 gnav_almanac[i_alm_satellite_slot_number - 1].d_t_lambda_n_A = static_cast<double>(read_navigation_unsigned(string_bits, T_LAMBDA_N_A)) * TWO_N5;
                 gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_T_n_A = static_cast<double>(read_navigation_signed(string_bits, DELTA_T_N_A)) * TWO_N9;
                 gnav_almanac[i_alm_satellite_slot_number - 1].d_Delta_T_n_A_dot = static_cast<double>(read_navigation_signed(string_bits, DELTA_T_DOT_N_A)) * TWO_N14;

src/tests/test_main.cc

@@ -145,7 +145,6 @@ DECLARE_string(log_dir);
 #endif
 
 #include "unit-tests/system-parameters/glonass_gnav_ephemeris_test.cc"
-#include "unit-tests/system-parameters/glonass_gnav_almanac_test.cc"
 #include "unit-tests/system-parameters/glonass_gnav_nav_message_test.cc"
 
 // For GPS NAVIGATION (L1)

src/tests/unit-tests/system-parameters/glonass_gnav_almanac_test.cc

@@ -1,76 +0,0 @@
-/*!
- * \file code_generation_test.cc
- * \note Code added as part of GSoC 2017 program
- * \author Damian Miralles, 2017. dmiralles2009(at)gmail.com
- * \see <a href="http://russianspacesystems.ru/wp-content/uploads/2016/08/ICD_GLONASS_eng_v5.1.pdf">GLONASS ICD</a>
- *
- *
- * -------------------------------------------------------------------------
- *
- * Copyright (C) 2010-2015  (see AUTHORS file for a list of contributors)
- *
- * GNSS-SDR is a software defined Global Navigation
- *          Satellite Systems receiver
- *
- * This file is part of GNSS-SDR.
- *
- * GNSS-SDR is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * GNSS-SDR is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
- *
- * -------------------------------------------------------------------------
- */
-
-
-#include <complex>
-#include <ctime>
-#include "gps_sdr_signal_processing.h"
-#include "gnss_signal_processing.h"
-
-#include <complex>
-#include <ctime>
-#include "gnss_signal_processing.h"
-#include "glonass_gnav_almanac.h"
-
-// See A 3.2.3
-TEST(GlonassGnavAlmanacTest, SatellitePosition)
-{
-    double N_i = 615;           // [days]
-    double t_i = 33300.0;        // [seconds]
-    double Xoi = 10947.021572;  // [km]
-    double Yoi = 13078.978287;  // [km]
-    double Zoi = 18922.063362;  // [km]
-    double Vxoi = -3.375497;     // [m/s]
-    double Vyoi = -0.161453;    // [Кm/s]
-    double Vzoi = 2.060844;     // [Кm/s]
-    double N_A  = 615;          // [days]
-
-    Glonass_Gnav_Almanac gnav_almanac;
-
-
-    gnav_almanac.d_lambda_n_A       = -0.189986229;     // [half cycles]
-    gnav_almanac.d_t_lambda_n_A     = 27122.09375;      // [second]
-    gnav_almanac.d_Delta_i_n_A      = 0.011929512;      // [half cycle]
-    gnav_almanac.d_Delta_T_n_A      = -2655.76171875;   // [seconds]
-    gnav_almanac.d_Delta_T_n_A_dot  = 0.000549316;      // [Secjnds/cycle2]
-    gnav_almanac.d_epsilon_n_A      = 0.001482010;      // [unitless]
-    gnav_almanac.d_omega_n_A        = 0.440277100;      // [Half cycle]
-
-    gnav_almanac.satellite_position(N_A, N_i, t_i);
-
-    //ASSERT_TRUE(gnav_almanac.d_satpos_Xo - Xoi < DBL_EPSILON );
-    //ASSERT_TRUE(gnav_almanac.d_satpos_Yo - Yoi < DBL_EPSILON );
-    //ASSERT_TRUE(gnav_almanac.d_satpos_Zo - Zoi < DBL_EPSILON );
-    //ASSERT_TRUE(gnav_almanac.d_satvel_Xo - Vxoi < DBL_EPSILON );
-    //ASSERT_TRUE(gnav_almanac.d_satvel_Yo - Vyoi < DBL_EPSILON );
-    //ASSERT_TRUE(gnav_almanac.d_satvel_Zo - Vzoi < DBL_EPSILON );
-}