Structure of QOCA package


          |--- MK_NET
          |                   |--- ADD_CORRECTN
          |--- MK_QOB         |
          |                   |--- CALC_BSL_AZM
          |--- MRG_DAT        |
          |                   |--- CALC_BSL_REPEAT
          |--- QOCA           |
          |                   |--- COMPARE_COOR
          |--- VEL_DANCE      |
  QOCA ---|                   |--- COV_EIGEN
          |--- UTILITY -------|
          |                   |--- CS2AP
          |--- QOCAVIEW*      |
          |                   |--- GET_OBS_TBL
          |--- ANALYZE_TSERI  |
          |                   |--- GET_OCCU
          |--- FAULTVIEW      |
          |                   |--- EST_POLE
          |--- FRAME          |
          |                   |--- GET_V_REL
          |--- ANALYZE_STRAIN |
          |                   |--- ROT_FRAME 
          |--- MLOAD          |
          |                   |--- MK_POS_PS
          |--- ST_FILTER      |
          |                   |--- MK_PST_TBL
          |--- PCA            |
          |                   |--- PLOT_BAS_REPEAT
          |--- AQOCA*         |
          |                   |--- MOD_EDM
          |--- MSTOKES        |
          |                   |--- NET_UPDATE
          |--- NET_INV*       |
                              |--- NEU_XYZ
                              |
                              |--- TSF_XYZ_NEU
                              |
                              |--- QOCA2SNX
                              |
                              |--- SYN_BSL_RAT
                              |
                              |--- X_TO_DX
                              |
                              |--- ASSEM_PPS

 Note: 1. The following two software packages are not completed yet.
          net_inv (using geodetically derived site displacement or velocity
                     to estimate fault parameters)
          AQOCA (using atmospheric zenith delay solutions to estimate the wet
                 component of the troposphere under certain assumptions)
       2. QOCAVIEW was developed using Tcl/Tk as the graphic user interface
                 demo package.  It is replaced by this QOCA web page, which
                 provides much timely and dynamic online demo.


Updated by Danan Dong
Space Geodesy and Geodynamics Systems Group
email: dong@cobra.jpl.nasa.gov     tel:(818)393-1827
08/12/98