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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>
13 Apr 1997 22:11:11 yearsecs   8892671
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.19   97.07  -58.51   52.46
    1.00  -63.91  112.07  -55.12   64.22
    2.00  -64.81  127.07  -53.52   76.36
    3.00  -65.71  142.07  -52.55   87.57
    4.00  -65.49  157.07  -51.02   97.71
    5.00  -66.56  172.07  -51.26  108.27
    6.00  -66.76  187.07  -51.09  118.26
    7.00  -66.62  202.07  -51.16  128.10
    8.00  -67.30  217.07  -52.64  137.78
    9.00  -66.85  232.07  -53.57  147.82
   10.00  -66.46  247.07  -55.01  158.19
   11.00  -66.25  262.07  -57.00  168.78
   12.00  -66.28  277.07  -59.58  179.45
   13.00  -66.54  292.07  -62.77  190.12
   14.00  -67.03  307.07  -66.60  200.89
   15.00  -67.73  322.07  -70.92  212.26
   16.00  -68.66  337.07  -75.49  225.19
   17.00  -69.69  352.07  -79.99  242.43
   18.00  -69.55    7.07  -82.68  276.93
   19.00  -68.96   22.07  -82.10  324.41
   20.00  -67.82   37.07  -77.96  356.05
   21.00  -66.78   52.07  -72.82   14.85
   22.00  -65.75   67.07  -67.56   28.55
   23.00  -64.80   82.07  -62.66   40.58
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.86   97.07  -65.25   63.17
    1.00  -71.95  112.07  -63.21   74.62
    2.00  -72.95  127.07  -61.72   84.81
    3.00  -75.95  142.07  -62.82   96.37
    4.00  -78.39  157.07  -63.98  106.01
    5.00  -78.97  172.07  -63.80  113.22
    6.00  -78.30  187.07  -62.76  119.86
    7.00  -77.68  202.07  -62.21  126.98
    8.00  -78.32  217.07  -63.36  133.89
    9.00  -77.98  232.07  -63.98  141.14
   10.00  -78.03  247.07  -65.39  148.08
   11.00  -77.87  262.07  -66.99  155.21
   12.00  -77.81  277.07  -69.05  162.05
   13.00  -77.60  292.07  -71.36  169.03
   14.00  -77.67  307.07  -74.18  174.86
   15.00  -77.33  322.07  -77.08  181.72
   16.00  -77.42  337.07  -80.39  185.68
   17.00  -76.62  352.07  -83.79  194.78
   18.00  -76.73    7.07  -87.45  186.77
   19.00  -76.77   22.07  -88.12   71.51
   20.00  -75.90   37.07  -84.28   45.66
   21.00  -73.93   52.07  -79.24   40.77
   22.00  -72.49   67.07  -74.10   46.16
   23.00  -71.27   82.07  -69.17   53.63
</PRE>


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