SITL: lower the default noise

prevents problems calibrating the gyro

libraries/SITL/SITL.cpp

@@ -27,12 +27,12 @@ extern const AP_HAL::HAL& hal;
 
 // table of user settable parameters
 const AP_Param::GroupInfo SITL::var_info[] PROGMEM = {
-    AP_GROUPINFO("BARO_RND",   0, SITL,  baro_noise,  1),
-    AP_GROUPINFO("GYR_RND",    1, SITL,  gyro_noise,  5),
-    AP_GROUPINFO("ACC_RND",    2, SITL,  accel_noise, 2),
-    AP_GROUPINFO("MAG_RND",    3, SITL,  mag_noise,   5),
+    AP_GROUPINFO("BARO_RND",   0, SITL,  baro_noise,  0.2f),
+    AP_GROUPINFO("GYR_RND",    1, SITL,  gyro_noise,  0),
+    AP_GROUPINFO("ACC_RND",    2, SITL,  accel_noise, 0),
+    AP_GROUPINFO("MAG_RND",    3, SITL,  mag_noise,   0),
     AP_GROUPINFO("GPS_DISABLE",4, SITL,  gps_disable, 0),
-    AP_GROUPINFO("DRIFT_SPEED",5, SITL,  drift_speed, 0.2f),
+    AP_GROUPINFO("DRIFT_SPEED",5, SITL,  drift_speed, 0.05f),
     AP_GROUPINFO("DRIFT_TIME", 6, SITL,  drift_time,  5),
     AP_GROUPINFO("GPS_DELAY",  7, SITL,  gps_delay,   1),
     AP_GROUPINFO("ENGINE_MUL", 8, SITL,  engine_mul,  1),