diff --git a/boatdata.py b/boatdata.py
index 86caae4..d25ad57 100644
--- a/boatdata.py
+++ b/boatdata.py
@@ -221,6 +221,8 @@ class BoatValueAngle(BoatValue):
         if self.simulated:
             if self.valname == "BTW":
                 return "253"
+            if self.valname == "TWD":
+                return "62"
             else:
                 return "120"
         if self.value:
@@ -397,6 +399,7 @@ class BoatData():
         self.stw = BoatValueSpeed("STW", "kn")
         self.dbt = BoatValueDepth("DBT", "m")
         self.dbs = BoatValueDepth("DBS", "m")
+        self.rot = BoatValueAngle("ROT", "deg")
         self.roll = BoatValueAngle("ROLL", "deg")
         self.pitch = BoatValueAngle("PTCH", "deg")
         self.yaw = BoatValueAngle("YAW", "deg")
@@ -463,6 +466,7 @@ class BoatData():
             'PTCH': self.pitch,
             'RPOS': self.rpos,
             'ROLL': self.roll,
+            'ROT': self.rot,
             'SOG': self.sog,
             'STW': self.stw,
             'TWD': self.twd,