Fix level b1 generation by fixing pathname of raw tower ascii file

scripts/metobs_config.sh

@@ -45,7 +45,7 @@ cache_level_00_file() {
     month=${d:4:2}
     day=${d:6:2}
 #    echo "${TOWER_CACHE_DIR}/level_00/version_00/${year}/${month}/${day}/aoss_tower.${year}-${month}-${day}.ascii"
-    echo "${TOWER_CACHE_DIR}/level_00/version_00/${year}/${month}/${day}/rig_tower.${year}-${month}-${day}.ascii"
+    echo "${TOWER_CACHE_DIR}/level_00/version_00/${year}/${month}/${day}/aoss_tower.${year}-${month}-${day}.ascii"
 }
 
 cache_level_b1_file() {