diff --git a/Python_script/VNA_dummy.py b/Python_script/VNA_dummy.py
index b1fb7d8067974247d231bd63e8baf0d8c7808d12..e183c5f6a83446df918f324ef756e530b034c370 100644
--- a/Python_script/VNA_dummy.py
+++ b/Python_script/VNA_dummy.py
@@ -29,7 +29,7 @@ class VnaDummy:
         self.simulated_state = shared_simulated_state.get_simulated_state()
         self.last_simulated_time = self.simulated_state.simulated_time
         self.tau_mag = 25
-        self.tau_phase = 50
+        self.tau_phase = 35
         self.reference_magnitude = 7  # at reference temp and reference hum
         self.reference_phase = 70  # at reference temp and reference hum
         self.reference_temp = 25
@@ -94,8 +94,9 @@ class VnaDummy:
         self.simulated_traces = trace
         self.result_format = result_format
 
-        real_val = self.simulated_magnitude * math.cos(self.simulated_phase)
-        imaginary_val = self.simulated_magnitude * math.sin(self.simulated_phase)
+        phase_radian = self.simulated_phase / 180. * math.pi
+        real_val = self.simulated_magnitude * math.cos(phase_radian)
+        imaginary_val = self.simulated_magnitude * math.sin(phase_radian)
 
         measurment_string = ' '
         for i in range(50):
diff --git a/Python_script/test_stand_parameter.json b/Python_script/test_stand_parameter.json
index f840844ebd8629ccd15c4c3ca71c959e2990505d..fed78928657be2f31d0a7af6302c15d23c8eabde 100644
--- a/Python_script/test_stand_parameter.json
+++ b/Python_script/test_stand_parameter.json
@@ -1 +1 @@
-{"delta_temp": 0.2, "delta_hum": 0.2, "delta_mag":0.01 , "delta_phase": 0.05, "sleep_time": 1.0}
\ No newline at end of file
+{"delta_temp": 0.2, "delta_hum": 0.2, "delta_mag":0.01 , "delta_phase": 0.0005, "sleep_time": 1.0}
\ No newline at end of file