Defining Measurement Model
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The Measurement model configuration necessary for your Orbit Determination system depends on the type of Observations you are working with. For each Observation type, different observing objects or objects being observed will be used, as discussed on the Simulating Tracking Data page. The objects used by each Observation type, as well as the object properties that will affect the Observation, are shown in the table below.
Follow the links to each object type to learn more about how to edit the properties used by each Observation.
 Note: For Ground Station observations and DSN observations, different GroundAntennas can be specified for the transmitting and receiving stations to simulate "3-way" observations. See Simulating 3-way Observations for more information.
 Note: DSN observations are derived from Ground Station observations, and therefore have all the same biases and measurement noise options available. Because of the long range nature of DSN observations, angular data is not generally very informative, so Azimuth, Elevation, Right Ascension, and Declination measurements are not used by default, and therefore their associated biases/noises are not included in this table.