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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>
27 Sep 1997 22:06:52 yearsecs  23321212
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.53   97.60  -56.56   50.69
    1.00  -63.07  112.60  -54.12   63.73
    2.00  -63.62  127.60  -52.19   75.73
    3.00  -64.15  142.60  -50.89   86.92
    4.00  -63.83  157.60  -49.28   97.31
    5.00  -65.13  172.60  -49.79  108.22
    6.00  -65.53  187.60  -49.85  118.48
    7.00  -65.45  202.60  -50.04  128.53
    8.00  -66.15  217.60  -51.58  138.42
    9.00  -65.51  232.60  -52.38  148.76
   10.00  -65.12  247.60  -53.86  159.39
   11.00  -64.90  262.60  -55.88  170.26
   12.00  -64.94  277.60  -58.49  181.24
   13.00  -65.20  292.60  -61.71  192.27
   14.00  -65.68  307.60  -65.57  203.48
   15.00  -66.39  322.60  -69.93  215.46
   16.00  -67.32  337.60  -74.51  229.34
   17.00  -68.47  352.60  -79.06  247.60
   18.00  -68.51    7.60  -81.66  281.10
   19.00  -67.81   22.60  -80.75  324.41
   20.00  -66.47   37.60  -76.33  353.89
   21.00  -65.37   52.60  -71.07   12.49
   22.00  -64.17   67.60  -65.60   26.14
   23.00  -62.98   82.60  -60.45   38.17
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.41   97.60  -65.64   64.56
    1.00  -72.57  112.60  -63.69   75.90
    2.00  -73.56  127.60  -62.24   85.88
    3.00  -74.60  142.60  -61.45   95.21
    4.00  -77.29  157.60  -62.85  105.32
    5.00  -78.31  172.60  -63.11  113.10
    6.00  -77.70  187.60  -62.14  120.01
    7.00  -77.02  202.60  -61.55  127.34
    8.00  -77.99  217.60  -63.06  134.30
    9.00  -77.67  232.60  -63.73  141.65
   10.00  -77.66  247.60  -65.12  148.79
   11.00  -77.54  262.60  -66.79  155.99
   12.00  -77.18  277.60  -68.67  163.60
   13.00  -77.03  292.60  -71.09  170.75
   14.00  -77.19  307.60  -74.04  176.71
   15.00  -76.78  322.60  -76.98  184.33
   16.00  -76.62  337.60  -80.33  190.80
   17.00  -75.06  352.60  -83.58  209.92
   18.00  -74.83    7.60  -87.42  233.94
   19.00  -75.58   22.60  -88.19   30.04
   20.00  -75.00   37.60  -83.85   36.58
   21.00  -73.03   52.60  -78.49   36.66
   22.00  -72.31   67.60  -73.81   45.94
   23.00  -71.50   82.60  -69.24   54.56
</PRE>


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