restart rpitx at the start

main.c

@@ -23,6 +23,9 @@
 
 int main(int argc, char * argv[]) {
 
+  FILE * rpitx_restart = popen("sudo systemctl restart rpitx", "r");
+  pclose(rpitx_restart);
+	
   mode = FSK;
   frameCnt = 1;
 
@@ -81,9 +84,6 @@ int main(int argc, char * argv[]) {
     }
   } 
 
-  FILE * rpitx_restart = popen("sudo systemctl restart rpitx", "r");
-  pclose(rpitx_restart);
-
   // Open configuration file with callsign and reset count	
   FILE * config_file = fopen("/home/pi/CubeSatSim/sim.cfg", "r");
   if (config_file == NULL) {