KPL/IK

Juno MWR Instrument Kernel
===============================================================================

   This Instrument Kernel (IK) file contains parameters and FOV
   definitions for the JUNO MicroWave Radiometer (MWR) antennas.


Version and Date
-------------------------------------------------------------------------------

   Version 0.0 -- March 17, 2012 -- Boris Semenov, NAIF

       Corrected FOV extents based on review feedback by Michael A. 
       Janssen.

   Version 0.0 -- June 12, 2009 -- Boris Semenov, NAIF

      Initial Release.


References
-------------------------------------------------------------------------------

   1. Kernel Pool Required Reading

   2. GETFOV, getfoc_c, cspice_getfov headers

   3. JUNO FK file, latest version

   4. MWR CDR Presentations

   5. MWR MICD


Contact Information
-------------------------------------------------------------------------------

   Boris V. Semenov, NAIF/JPL, (818)-354-8136, Boris.Semenov@jpl.nasa.gov


Implementation Notes
-------------------------------------------------------------------------------

   This file is used by the SPICE system as follows: programs that make
   use of this kernel must ``load'' the kernel, normally during
   program initialization. The SPICE routine FURNSH loads a kernel file
   into the pool as shown below.

      CALL FURNSH ( 'frame_kernel_name; )    -- FORTRAN
      furnsh_c ( "frame_kernel_name" );      -- C
      cspice_furnsh, frame_kernel_name       -- IDL
      cspice_furnsh( 'frame_kernel_name' )   -- MATLAB

   Once the file has been loaded, the SPICE routine GETFOV (getfov_c in
   C, cspice_getfov in IDL and MATLAB) can be used to retrieve FOV
   parameters for a given instrument or structure.

   This file was created and may be updated with a text editor or word
   processor.


Naming Conventions
----------------------------------------------------------

   All names referencing values in this IK file start with the
   characters `INS' followed by the NAIF JUNO spacecraft ID number
   (-61) followed by a NAIF three digit ID code for one of the
   MWR antennas. This is the full list of names and IDs for the
   MWR antennas described by this IK file:

      JUNO_MWR_A1                    -61601
      JUNO_MWR_A2                    -61602
      JUNO_MWR_A3                    -61603
      JUNO_MWR_A4                    -61604
      JUNO_MWR_A5                    -61605
      JUNO_MWR_A6                    -61606

   The remainder of the keyword name is an underscore character
   followed by the unique name of the data item. For example, the
   MWR/A1 boresight direction in the JUNO_MWR_A1 frame is specified
   by:

           INS-61601_BORESIGHT

   The upper bound on the length of the name of any data item is 32
   characters.

   If the same item is included in more than one file, or if the same
   item appears more than once within a single file, the latest value
   supersedes any earlier values.


Instrument Description
---------------------------------------------------------

   TBD


Mounting Alignment
--------------------------------------------------------

   Refer to the latest version of the Juno Frames Definition Kernel
   (FK) [3] for the MWR reference frame definitions and mounting
   alignment information.


Antenna Parameters
---------------------------------------------------------

   TBD


MWR Antenna FOVs
----------------------------------------------------------

   The MWR Antenna FOVs are defined as circular cones with half-angles
   of 11 degrees for A1 and A2 and 6 degrees for A3, A4, A5, and A6,
   centered on the boresight -- +Z axis of the corresponding JUNO_MWR_*
   frame.

      \begindata

         INS-61601_FOV_FRAME                 = 'JUNO_MWR_A1'
         INS-61601_FOV_SHAPE                 = 'CIRCLE'
         INS-61601_BORESIGHT                 = ( 0.0, 0.0, 1.0 )
         INS-61601_FOV_CLASS_SPEC            = 'ANGLES'
         INS-61601_FOV_REF_VECTOR            = ( 0.0, 1.0, 0.0 )
         INS-61601_FOV_REF_ANGLE             = ( 11.0 )
         INS-61601_FOV_ANGLE_UNITS           = 'DEGREES'

         INS-61602_FOV_FRAME                 = 'JUNO_MWR_A2'
         INS-61602_FOV_SHAPE                 = 'CIRCLE'
         INS-61602_BORESIGHT                 = ( 0.0, 0.0, 1.0 )
         INS-61602_FOV_CLASS_SPEC            = 'ANGLES'
         INS-61602_FOV_REF_VECTOR            = ( 0.0, 1.0, 0.0 )
         INS-61602_FOV_REF_ANGLE             = ( 11.0 )
         INS-61602_FOV_ANGLE_UNITS           = 'DEGREES'

         INS-61603_FOV_FRAME                 = 'JUNO_MWR_A3'
         INS-61603_FOV_SHAPE                 = 'CIRCLE'
         INS-61603_BORESIGHT                 = ( 0.0, 0.0, 1.0 )
         INS-61603_FOV_CLASS_SPEC            = 'ANGLES'
         INS-61603_FOV_REF_VECTOR            = ( 0.0, 1.0, 0.0 )
         INS-61603_FOV_REF_ANGLE             = (  6.0 )
         INS-61603_FOV_ANGLE_UNITS           = 'DEGREES'

         INS-61604_FOV_FRAME                 = 'JUNO_MWR_A4'
         INS-61604_FOV_SHAPE                 = 'CIRCLE'
         INS-61604_BORESIGHT                 = ( 0.0, 0.0, 1.0 )
         INS-61604_FOV_CLASS_SPEC            = 'ANGLES'
         INS-61604_FOV_REF_VECTOR            = ( 0.0, 1.0, 0.0 )
         INS-61604_FOV_REF_ANGLE             = (  6.0 )
         INS-61604_FOV_ANGLE_UNITS           = 'DEGREES'

         INS-61605_FOV_FRAME                 = 'JUNO_MWR_A5'
         INS-61605_FOV_SHAPE                 = 'CIRCLE'
         INS-61605_BORESIGHT                 = ( 0.0, 0.0, 1.0 )
         INS-61605_FOV_CLASS_SPEC            = 'ANGLES'
         INS-61605_FOV_REF_VECTOR            = ( 0.0, 1.0, 0.0 )
         INS-61605_FOV_REF_ANGLE             = (  6.0 )
         INS-61605_FOV_ANGLE_UNITS           = 'DEGREES'

         INS-61606_FOV_FRAME                 = 'JUNO_MWR_A6'
         INS-61606_FOV_SHAPE                 = 'CIRCLE'
         INS-61606_BORESIGHT                 = ( 0.0, 0.0, 1.0 )
         INS-61606_FOV_CLASS_SPEC            = 'ANGLES'
         INS-61606_FOV_REF_VECTOR            = ( 0.0, 1.0, 0.0 )
         INS-61606_FOV_REF_ANGLE             = (  6.0 )
         INS-61606_FOV_ANGLE_UNITS           = 'DEGREES'

      \begintext


End of the IK file.