added condition for N or S latitude, E or W long

afsk/main.c

@@ -674,8 +674,15 @@ for (int j = 0; j < frameCnt; j++)
     	strcat(str, call);
     	strcat(str, header_str2);
 //	sprintf(header_str2b, "=%7.2f%c%c%c%08.2f%cShi hi ",4003.79,'N',0x5c,0x5c,07534.33,'W');  // add APRS lat and long
-	sprintf(header_lat, "%7.2f%c",latitude * 100.0,'N');  // lat
-	sprintf(header_long, "%08.2f%c",longitude * (-100.0),'W');  // long
+	if (latitude > 0)
+	    sprintf(header_lat, "%7.2f%c",latitude * 100.0,'N');  // lat
+	else
+	    sprintf(header_lat, "%7.2f%c",latitude * (-100.0),'S');  // lat
+	if (longitude > 0)
+	    sprintf(header_long, "%08.2f%c",longitude * 100.0,'E');  // long
+	else
+	    sprintf(header_long, "%08.2f%c",longitude * (-100.0),'W');  // long
+
 	sprintf(header_str2b, "=%s%c%c%sShi hi ",header_lat,0x5c,0x5c,header_long);  // add APRS lat and long	    
 	printf("\n\nString is %s \n\n", header_str2b);
 	strcat(str, header_str2b);