diff --git a/src/algorithms/PVT/libs/rtklib_solver.cc b/src/algorithms/PVT/libs/rtklib_solver.cc
index 75a95731f..9cbecbced 100755
--- a/src/algorithms/PVT/libs/rtklib_solver.cc
+++ b/src/algorithms/PVT/libs/rtklib_solver.cc
@@ -205,7 +205,7 @@ bool Rtklib_Solver::save_matfile() const
     // READ DUMP FILE
     const std::string dump_filename = d_dump_filename;
     const int32_t number_of_double_vars = 23; //+2 MAGL
-    const int32_t number_of_double_vars_sat = 9; //+ pos(3)/vel(3)/psrange/doppler/CN0 for sat
+    const int32_t number_of_double_vars_sat = 0; //+ pos(3)/vel(3)/psrange/doppler/CN0 for sat
     const int32_t number_of_uint32_vars = 2;
     const int32_t number_of_uint8_vars = 3;
     const int32_t number_of_float_vars = 2;
@@ -258,15 +258,6 @@ bool Rtklib_Solver::save_matfile() const
     
     auto clk_bias = std::vector<double>(num_epoch);
     auto clk_drift = std::vector<double>(num_epoch);
-    auto sat_posX_m = std::vector<std::vector<double>>(6, std::vector<double>(num_epoch));
-    auto sat_posY_m = std::vector<std::vector<double>>(6, std::vector<double>(num_epoch));
-    auto sat_posZ_m = std::vector<std::vector<double>>(6, std::vector<double>(num_epoch));
-    auto sat_velX = std::vector<std::vector<double>>(6, std::vector<double>(num_epoch));
-    auto sat_velY = std::vector<std::vector<double>>(6, std::vector<double>(num_epoch));
-    auto sat_velZ = std::vector<std::vector<double>>(6, std::vector<double>(num_epoch));
-    auto sat_prg_m = std::vector<std::vector<double>>(6, std::vector<double>(num_epoch));
-    auto sat_dopp_hz = std::vector<std::vector<double>>(6, std::vector<double>(num_epoch));
-    auto sat_CN0_dBhz = std::vector<std::vector<double>>(6, std::vector<double>(num_epoch));
 
     auto latitude = std::vector<double>(num_epoch);
     auto longitude = std::vector<double>(num_epoch);
@@ -306,18 +297,7 @@ bool Rtklib_Solver::save_matfile() const
 
                             dump_file.read(reinterpret_cast<char *>(&clk_bias[i]), sizeof(double));
                             dump_file.read(reinterpret_cast<char *>(&clk_drift[i]), sizeof(double));
-                            for (uint32_t chan = 0; chan < 6; chan++)
-                                {
-                                dump_file.read(reinterpret_cast<char *>(&sat_posX_m[chan][i]), sizeof(double));
-                                dump_file.read(reinterpret_cast<char *>(&sat_posY_m[chan][i]), sizeof(double));
-                                dump_file.read(reinterpret_cast<char *>(&sat_posZ_m[chan][i]), sizeof(double));
-                                dump_file.read(reinterpret_cast<char *>(&sat_velX[chan][i]), sizeof(double));
-                                dump_file.read(reinterpret_cast<char *>(&sat_velY[chan][i]), sizeof(double));
-                                dump_file.read(reinterpret_cast<char *>(&sat_velZ[chan][i]), sizeof(double));
-                                dump_file.read(reinterpret_cast<char *>(&sat_prg_m[chan][i]), sizeof(double));
-                                dump_file.read(reinterpret_cast<char *>(&sat_dopp_hz[chan][i]), sizeof(double)); 
-                                dump_file.read(reinterpret_cast<char *>(&sat_CN0_dBhz[chan][i]), sizeof(double));                
-                                } 
+  
                             dump_file.read(reinterpret_cast<char *>(&latitude[i]), sizeof(double));
                             dump_file.read(reinterpret_cast<char *>(&longitude[i]), sizeof(double));
                             dump_file.read(reinterpret_cast<char *>(&height[i]), sizeof(double));
@@ -340,33 +320,6 @@ bool Rtklib_Solver::save_matfile() const
             return false;
         }
     
-    auto sat_posX_m_aux = std::vector<double>(6 * num_epoch);
-    auto sat_posY_m_aux = std::vector<double>(6 * num_epoch);
-    auto sat_posZ_m_aux = std::vector<double>(6 * num_epoch);
-    auto sat_velX_aux = std::vector<double>(6 * num_epoch);
-    auto sat_velY_aux = std::vector<double>(6 * num_epoch);
-    auto sat_velZ_aux = std::vector<double>(6 * num_epoch);
-    auto sat_prg_m_aux = std::vector<double>(6 * num_epoch);
-    auto sat_dopp_hz_aux = std::vector<double>(6 * num_epoch);
-    auto sat_CN0_dBhz_aux = std::vector<double>(6 * num_epoch);
-
-        uint32_t k = 0U;
-    for (int64_t j = 0; j < num_epoch; j++)
-        {
-            for (uint32_t i = 0; i < 6; i++)
-                {
-                    sat_posX_m_aux[k] = sat_posX_m[i][j];
-                    sat_posY_m_aux[k] = sat_posY_m[i][j];
-                    sat_posZ_m_aux[k] = sat_posZ_m[i][j];
-                    sat_velX_aux[k] = sat_velX[i][j];
-                    sat_velY_aux[k] = sat_velY[i][j];
-                    sat_velZ_aux[k] = sat_velZ[i][j];
-                    sat_prg_m_aux[k] = sat_prg_m[i][j];
-                    sat_dopp_hz_aux[k] = sat_dopp_hz[i][j];
-                    sat_CN0_dBhz_aux[k] = sat_CN0_dBhz[i][j];
-                    k++;
-                }
-        }
 
     // WRITE MAT FILE
     mat_t *matfp;
@@ -450,36 +403,6 @@ bool Rtklib_Solver::save_matfile() const
             Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB);  // or MAT_COMPRESSION_NONE
             Mat_VarFree(matvar);
 
-            std::array<size_t, 2> dims_sat{static_cast<size_t>(6), static_cast<size_t>(num_epoch)};
-            matvar = Mat_VarCreate("sat_posX_m", MAT_C_DOUBLE, MAT_T_DOUBLE, 2, dims_sat.data(), sat_posX_m_aux.data(), 0);
-            Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB);  // or MAT_COMPRESSION_NONE
-            Mat_VarFree(matvar);
-            matvar = Mat_VarCreate("sat_posY_m", MAT_C_DOUBLE, MAT_T_DOUBLE, 2, dims_sat.data(), sat_posY_m_aux.data(), 0);
-            Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB);  // or MAT_COMPRESSION_NONE
-            Mat_VarFree(matvar);
-            matvar = Mat_VarCreate("sat_posZ_m", MAT_C_DOUBLE, MAT_T_DOUBLE, 2, dims_sat.data(), sat_posZ_m_aux.data(), 0);
-            Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB);  // or MAT_COMPRESSION_NONE
-            Mat_VarFree(matvar);
-            matvar = Mat_VarCreate("sat_velX", MAT_C_DOUBLE, MAT_T_DOUBLE, 2, dims_sat.data(), sat_velX_aux.data(), 0);
-            Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB);  // or MAT_COMPRESSION_NONE
-            Mat_VarFree(matvar);
-            matvar = Mat_VarCreate("sat_velY", MAT_C_DOUBLE, MAT_T_DOUBLE, 2, dims_sat.data(), sat_velY_aux.data(), 0);
-            Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB);  // or MAT_COMPRESSION_NONE
-            Mat_VarFree(matvar);
-            matvar = Mat_VarCreate("sat_velZ", MAT_C_DOUBLE, MAT_T_DOUBLE, 2, dims_sat.data(), sat_velZ_aux.data(), 0);
-            Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB);  // or MAT_COMPRESSION_NONE
-            Mat_VarFree(matvar);
-            matvar = Mat_VarCreate("sat_prg_m", MAT_C_DOUBLE, MAT_T_DOUBLE, 2, dims_sat.data(), sat_prg_m_aux.data(), 0);
-            Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB);  // or MAT_COMPRESSION_NONE
-            Mat_VarFree(matvar);
-            matvar = Mat_VarCreate("sat_dopp_hz", MAT_C_DOUBLE, MAT_T_DOUBLE, 2, dims_sat.data(), sat_dopp_hz_aux.data(), 0);
-            Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB);  // or MAT_COMPRESSION_NONE
-            Mat_VarFree(matvar);
-            matvar = Mat_VarCreate("sat_CN0_dBhz", MAT_C_DOUBLE, MAT_T_DOUBLE, 2, dims_sat.data(), sat_CN0_dBhz_aux.data(), 0);
-            Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB);  // or MAT_COMPRESSION_NONE
-            Mat_VarFree(matvar);
-
-
             matvar = Mat_VarCreate("latitude", MAT_C_DOUBLE, MAT_T_DOUBLE, 2, dims.data(), latitude.data(), 0);
             Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB);  // or MAT_COMPRESSION_NONE
             Mat_VarFree(matvar);
@@ -1417,28 +1340,7 @@ bool Rtklib_Solver::get_PVT(const std::map<int, Gnss_Synchro> &gnss_observables_
                                     d_dump_file.write(reinterpret_cast<char *>(&tmp_double), sizeof(double));
                                     tmp_double = vtl_data.rx_dts(1);
                                     d_dump_file.write(reinterpret_cast<char *>(&tmp_double), sizeof(double));
-                                    // for (int n = 0; n<6; n++)
-                                    // {
-                                    // tmp_double = vtl_data.sat_p(n, 0);
-                                    // d_dump_file.write(reinterpret_cast<char *>(&tmp_double), sizeof(double));    
-                                    // tmp_double = vtl_data.sat_p(n, 1);
-                                    // d_dump_file.write(reinterpret_cast<char *>(&tmp_double), sizeof(double));
-                                    // tmp_double = vtl_data.sat_p(n, 2);
-                                    // d_dump_file.write(reinterpret_cast<char *>(&tmp_double), sizeof(double));     
-                                    // tmp_double = vtl_data.sat_v(n, 0);
-                                    // d_dump_file.write(reinterpret_cast<char *>(&tmp_double), sizeof(double)); 
-                                    // tmp_double = vtl_data.sat_v(n, 1);
-                                    // d_dump_file.write(reinterpret_cast<char *>(&tmp_double), sizeof(double)); 
-                                    // tmp_double = vtl_data.sat_v(n, 2);
-                                    // d_dump_file.write(reinterpret_cast<char *>(&tmp_double), sizeof(double));
-                                    // tmp_double = vtl_data.pr_m(n);
-                                    // d_dump_file.write(reinterpret_cast<char *>(&tmp_double), sizeof(double));
-                                    // tmp_double = vtl_data.doppler_hz(n);
-                                    // d_dump_file.write(reinterpret_cast<char *>(&tmp_double), sizeof(double));
-                                    // tmp_double = vtl_data.sat_CN0_dB_hz(n);
-                                    // d_dump_file.write(reinterpret_cast<char *>(&tmp_double), sizeof(double));     
-                                    // }
-                                    
+
                                     // GEO user position Latitude [deg]
                                     tmp_double = this->get_latitude();
                                     d_dump_file.write(reinterpret_cast<char *>(&tmp_double), sizeof(double));