Specifies the conditions that must be met before this SchedBlock can be executed.

General Info
Name	Preconditions
Owner	obsproject
Visibility	public
Is Active	false
Is Abstract	false

Relations
Name	Type	Begins	Ends
unnamed	Association	Preconditions	WeatherConstraints
unnamed	Association	Preconditions	SchedBlock

Attributes
Name	Type	Classifier	Default Value
baselineCalValid	Boolean	Preconditions	false
polarizationCalValid	Boolean	Preconditions	false
minAllowedHA	UserAngle	Preconditions
maxAllowedHA	UserAngle	Preconditions
unnamed	SchedBlock	Preconditions
WeatherConstraints	WeatherConstraints	Preconditions