TABLE OF CONTENTS


MLT_RSS/AMSU_equator_crossing_times.f90/AMSU_rev_num_from_rd_2000 [ Subroutines ]

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NAME

      AMSU_rev_num_from_rd_2000

PURPOSE

      Calculates AMSU rev num from time in rd_2000 format

INPUTS

       sat_num     AMSU satellite number (10 = NOAA-15, 11 = NOAA-16, etc)
       rd_2000     Time in rd_2000 format 

OUTPUTS

       Error       Error Flag.  0 if everything OK, not zero otherwise

RETURNED VALUE

       AMSU orbit number corresponding to given time

USAGE

      orbit_num = AMSU_rev_num_from_rd_2000(sat_num,rd_2000,error)

MLT_RSS/AMSU_equator_crossing_times.f90/equator_crossing_rd_2000_from_AMSU_rev_num [ Subroutines ]

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NAME

      equator_crossing_rd_2000_from_AMSU_rev_num

PURPOSE

      Calculate Diurnal Correction for a single AMSU scan line

INPUTS

       sat_num     AMSU satellite number (10 = NOAA-15, 11 = NOAA-16, etc)
       rev_num     AMSU orbit number.    

OUTPUTS

       Error       Error Flag.  0 if everything OK, not zero otherwise

RETURNED VALUE

       ascending node eqaotor crossing time in rd_2000 format (days since midnight, jan 1, 2000) (real*8)

USAGE

      crossing_time = equator_crossing_rd_2000_from_AMSU_rev_num(sat_num,rev_num,error)

MLT_RSS/AMSU_equator_crossing_times.f90/load_NOAA_15_eqx_data [ Subroutines ]

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NAME

        load_NOAA_15_eqx_data

PURPOSE

        reads equator crossing time data for NOAA-15
     SIDE EFFECTS
        loads climatology into the module variable eq_x_time_NOAA_15, and the equator crossing longitude into eq_x_longitude_NOAA_15. 

REMARKS

        exactly analogous routines exist for the other NOAA and EUMETSAT satellites. (NOAA-16, etc.)  These are:
        - load_NOAA_16_eqx_data
        - load_NOAA_17_eqx_data
        - load_NOAA_18_eqx_data
        - load_NOAA_19_eqx_data
        - load_METOP_A_eqx_data

USAGE

        load_NOAA_15_eqx_data

MLT_RSS/AMSU_equator_crossing_times.f90 [ Methods ]

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NAME

    AMSU_equator_crossing_times.f90

PURPOSE

    Module for finding ascending node equator crossing times for NOAA and EUMETSAT satellites

DESCRIPTION

    Module for finding ascending node equator crossing times for NOAA and EUMETSAT satellites

AUTHOR

    Carl Mears, Remote Sensing Systems

COPYRIGHT

   THIS SOFTWARE AND ITS DOCUMENTATION ARE COPYRIGHT 2012 REMOTE SENSING SYSTEMS.  
   THEY ARE PROVIDED FOR INFORMATIONAL AND ALGORITHM VERIFICATION PURPOSES ONLY 
   AND MAY NOT BE USED IN WHOLE OR IN PART FOR ANY OTHER PURPOSE WITHOUT WRITTEN
   PERMISSION FROM REMOTE SENSING SYSTEMS.  THEY ARE FURNISHED "AS IS." THE 
   AUTHORS, THE UNITED STATES GOVERNMENT, ITS INSTRUMENTALITIES, OFFICERS, EMPLOYEES, 
   AND AGENTS MAKE NO WARRANTY, EXPRESS OR IMPLIED, AS TO THE USEFULNESS OF THE 
   SOFTWARE AND DOCUMENTATION FOR ANY PURPOSE. THEY ASSUME NO RESPONSIBILITY (1) FOR
   THE USE OF THE SOFTWARE AND DOCUMENTATION; OR (2) TO PROVIDE TECHNICAL SUPPORT 
   TO USERS.

HISTORY

    8/15/2012 Initial Version prepared for NCDC

USAGE

    use AMSU_equator_crossing_times