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<HEAD>

    <TITLE>JHU/APL Auroral Oval Boundary</TITLE>

    <META NAME="Copyright" CONTENT="Copyright 2000 Johns Hopkins University Applied Physics Laboratory"/>

    <META NAME="Date" CONTENT="21 February 2000"/>

    <META NAME="Author" CONTENT="J. P. Skura"/>


  

  

    

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<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
19 Jun 1997 13:44:50 yearsecs  14651090
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.68  232.25  -46.85  150.75
    1.00  -60.35  247.25  -49.40  161.75
    2.00  -61.02  262.25  -52.30  172.82
    3.00  -61.68  277.25  -55.50  184.00
    4.00  -60.81  292.25  -57.66  196.91
    5.00  -61.81  307.25  -61.99  208.51
    6.00  -62.96  322.25  -66.79  220.91
    7.00  -63.66  337.25  -71.15  236.44
    8.00  -63.85  352.25  -74.62  257.77
    9.00  -63.49    7.25  -76.30  287.48
   10.00  -63.07   22.25  -75.35  320.66
   11.00  -62.88   37.25  -72.17  347.79
   12.00  -62.92   52.25  -68.22    7.83
   13.00  -63.17   67.25  -64.51   24.13
   14.00  -63.66   82.25  -61.32   38.89
   15.00  -64.36   97.25  -58.65   52.84
   16.00  -65.29  112.25  -56.53   65.91
   17.00  -66.45  127.25  -55.18   77.96
   18.00  -66.43  142.25  -53.27   88.19
   19.00  -65.74  157.25  -51.26   97.95
   20.00  -64.16  172.25  -48.82  107.70
   21.00  -63.04  187.25  -47.37  117.97
   22.00  -61.46  202.25  -46.11  128.51
   23.00  -60.32  217.25  -45.97  139.48
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.36  232.25  -56.84  146.26
    1.00  -71.02  247.25  -59.13  155.09
    2.00  -71.92  262.25  -61.99  163.40
    3.00  -72.63  277.25  -65.02  171.48
    4.00  -74.54  292.25  -69.30  176.51
    5.00  -75.74  307.25  -73.15  181.19
    6.00  -75.79  322.25  -76.46  188.32
    7.00  -75.41  337.25  -79.84  197.74
    8.00  -75.70  352.25  -83.69  203.74
    9.00  -75.75    7.25  -87.61  211.30
   10.00  -75.50   22.25  -88.27   26.62
   11.00  -75.15   37.25  -84.01   37.82
   12.00  -74.86   52.25  -79.72   46.15
   13.00  -74.80   67.25  -75.69   54.90
   14.00  -74.67   82.25  -71.89   62.96
   15.00  -74.19   97.25  -68.16   70.10
   16.00  -74.12  112.25  -65.19   78.26
   17.00  -73.10  127.25  -61.84   85.09
   18.00  -72.92  142.25  -59.82   93.39
   19.00  -73.26  157.25  -58.85  102.16
   20.00  -72.74  172.25  -57.48  110.46
   21.00  -71.25  187.25  -55.59  118.91
   22.00  -71.10  202.25  -55.59  127.87
   23.00  -69.94  217.25  -55.18  137.18
</PRE>


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