char url[] = "/demo_sim908.php";

gps.GetPar(lon,lat,alt,time,vel);
sprintf(frame, "visor=false&latitude=%s&longitude=%s&altitude=%s&time=%s&satellites=%s&speedOTG=%s&course=%s", lat, lon, alt, time, satellites, vel, course);
Serial.println(frame); // Giver output
String url1 =  String(frame);
String FullUrl =  String(url + url1);
Serial.println(FullUrl); // Printer intet