See update notes:

src/brdm2pos.h

@@ -237,6 +237,7 @@ typedef struct nav_body{//Body data of file of nav: GPS	BeiDou Galileo GLONASS
 typedef struct obs_head{//Header data of file of obs
     double ver;
     char type[30];
+    char marker[10];
 
     double apX;
     double apY;

src/readrnx.cpp

@@ -603,6 +603,10 @@ void read_o_h(FILE* fp_obs, pobs_head obs_h)
             strncpy(obs_h->type, buff + 20, 30);
             continue;
         }
+        else if (strstr(lable, "MARKER NAME")) {
+            strncpy(obs_h->marker, buff + 0, 10);
+            continue;
+        }
         else if (strstr(lable, "APPROX POSITION XYZ")) {
             obs_h->apX = strtonum(buff, 0, 14);
             obs_h->apY = strtonum(buff, 0 + 14, 14);

src/rnx2pos.cpp

@@ -286,7 +286,7 @@ int sat_pos_cal(pobs_head obs_h, pobs_epoch obs_e, pobs_body obs_b,
                 break;
             case GAL:
                 obs.Per1[k] = obs_b->obs_gal[j][code2type(C1, obs_h->obstypenum_gal, obs_h->obscode_gal)];
-                obs.Per2[k] = obs_b->obs_gal[j][code2type(C2, obs_h->obstypenum_gal, obs_h->obscode_gal)];
+                obs.Per2[k] = obs_b->obs_gal[j][code2type(C6, obs_h->obstypenum_gal, obs_h->obscode_gal)];
                 obs.freq1 = FREQ1; obs.freq2 = FREQ6;
                 break;
             case GLO:
@@ -325,7 +325,9 @@ int sat_pos_cal(pobs_head obs_h, pobs_epoch obs_e, pobs_body obs_b,
             stop++;
         }solution(solu, obs_h, ap_X, ap_Y, ap_Z);
     }
-    else;
+    else {
+        fprintf(solu,"\nRec:insufficient quantity of sat, sat=%d",k);
+    }
     free(in_lsq.l); free(in_lsq.m); free(in_lsq.n); free(in_lsq.o);
     free(in_lsq.B); free(in_lsq.P); free(in_lsq.L);
     return 1;

src/solutions.cpp

@@ -35,7 +35,7 @@ static double trosaastamoinen(pobs_head obs_h, double elev)
     return dtrop;
 }
 /*Tropshere correction with hopfiled model*/
-static double trohopfiled(pobs_head obs_h, double elev)
+static double trohopfield(pobs_head obs_h, double elev)
 {
     double P0, e0, T0, deltaSd, deltaSw, dtropd, dtropw, dtrop;
     double B = obs_h->apB, L = obs_h->apL, H = obs_h->apH;
@@ -99,7 +99,7 @@ static double restcorr(pobs_head obs_h, acct_obs obs, int ionopt, int tropopt,
     }
     switch (tropopt) {
     case 0:break;
-    case 1:dtrop = trohopfiled(obs_h, elev); break;
+    case 1:dtrop = trohopfield(obs_h, elev); break;
     case 2:dtrop = trosaastamoinen(obs_h, elev); break;
     }
     P = P - diono - dtrop;
@@ -139,7 +139,8 @@ stations designmat(pobs_head obs_h, acct_obs obs,
         R = sqrt(
             pow(l[i] - X, 2) +
             pow(m[i] - Y, 2) +
-            pow(n[i] - Z, 2));
+            pow(n[i] - Z, 2)
+        );
         B[i + satnum * 0] = -(l[i] - X) / R;
         B[i + satnum * 1] = -(m[i] - Y) / R;
         B[i + satnum * 2] = -(n[i] - Z) / R;
@@ -167,6 +168,7 @@ FILE* headerout(pobs_head obs_h,
     fclose(result_file_clear);
     FILE* result_file = fopen(res_path, "a+");
     fprintf(result_file, ">GENERATE PROGRAM   : KNZ_GeoTrackLab ver%s\n", KNZ_GTL_VER);
+    fprintf(result_file, " GENERATE SOURCE    : %.10s\n", obs_h->marker);
     fprintf(result_file, " GENERATE TYPE      : Satellite  Position\n");
     fprintf(result_file, " GENERATE TIME      : %s", ctime(&gen_time));
     fprintf(result_file, " OBS FILE PATH      : %s\n", obs_path);