diff --git a/iw_parser.py b/iw_parser.py
index 1b05e6e..4d686ec 100755
--- a/iw_parser.py
+++ b/iw_parser.py
@@ -70,7 +70,8 @@ def main():
     p.add_argument(
         '--cali',
         nargs=2,
-        default=(0.9376, 558.0551),
+        # default=(0.9376, 558.0551),  # indoor
+        default=(0.8927, 553.3157),  # outdoor
         type=float,
         help="calibrate final result"
     )
diff --git a/libMeasurement.py b/libMeasurement.py
index bb4a2ec..d04a970 100755
--- a/libMeasurement.py
+++ b/libMeasurement.py
@@ -210,7 +210,7 @@ def main():
         '--cali',
         nargs=2,
         # default=(0.9376, 558.0551),  # indoor
-        default=(0.8324, 583.7435),  # outdoor
+        default=(0.8927, 553.3157),  # outdoor
         type=float,
         help="calibrate final result"
     )