DFFRelativeNavigation:

------------------------------------------------------------------------
   This routine estimates the absolute orbit of the local satellite, as
   well as its relative orbit with respect to its team reference.

   Since version 7.
------------------------------------------------------------------------
   Form:
   t = DFFRelativeNavigation( action, d, k )
------------------------------------------------------------------------

   ------
   Inputs
   ------
   action        (1,:)     Action to be performed        
   d             (1,1)     Data structure for inputs
   k             (1,1)     Unique spacecraft ID

   -------
   Outputs
   -------
   t             (1,1)     Data structure with outputs. 

------------------------------------------------------------------------

Children:

Common: General/FSWClock
Common: General/MessageQueue
IntegratedSim: Sensors/StateSensor
IntegratedSim: Software/DFFParameterDatabase
FormationFlying: Utility/JD2SS1970
Math: Integration/RK4TI