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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>
28 Jun 1997 21:58:55 yearsecs  15458335
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.80   97.74  -57.93   52.49
    1.00  -63.73  112.74  -54.81   64.55
    2.00  -64.54  127.74  -53.13   76.61
    3.00  -65.34  142.74  -52.09   87.78
    4.00  -65.10  157.74  -50.57   97.99
    5.00  -66.24  172.74  -50.90  108.63
    6.00  -66.48  187.74  -50.81  118.67
    7.00  -66.35  202.74  -50.92  128.56
    8.00  -67.03  217.74  -52.44  138.29
    9.00  -66.55  232.74  -53.37  148.41
   10.00  -66.12  247.74  -54.80  158.86
   11.00  -65.93  262.74  -56.82  169.52
   12.00  -65.97  277.74  -59.42  180.28
   13.00  -66.22  292.74  -62.64  191.05
   14.00  -66.70  307.74  -66.49  201.96
   15.00  -67.41  322.74  -70.83  213.55
   16.00  -68.34  337.74  -75.40  226.86
   17.00  -69.40  352.74  -79.90  244.67
   18.00  -69.31    7.74  -82.51  279.58
   19.00  -68.69   22.74  -81.72  325.93
   20.00  -67.50   37.74  -77.44  356.41
   21.00  -66.44   52.74  -72.26   14.89
   22.00  -65.37   67.74  -66.96   28.47
   23.00  -64.36   82.74  -62.01   40.45
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.51   97.74  -65.70   64.84
    1.00  -72.61  112.74  -63.71   76.05
    2.00  -73.60  127.74  -62.26   86.01
    3.00  -76.03  142.74  -62.83   96.79
    4.00  -78.49  157.74  -64.03  106.41
    5.00  -79.18  172.74  -63.99  113.63
    6.00  -78.55  187.74  -63.02  120.21
    7.00  -77.96  202.74  -62.50  127.26
    8.00  -78.68  217.74  -63.76  134.01
    9.00  -78.43  232.74  -64.46  141.06
   10.00  -78.56  247.74  -65.92  147.73
   11.00  -78.35  262.74  -67.47  154.70
   12.00  -78.17  277.74  -69.41  161.56
   13.00  -77.96  292.74  -71.70  168.33
   14.00  -78.03  307.74  -74.48  173.86
   15.00  -77.66  322.74  -77.35  180.46
   16.00  -77.66  337.74  -80.58  184.31
   17.00  -76.66  352.74  -83.96  194.50
   18.00  -76.66    7.74  -87.63  187.27
   19.00  -76.87   22.74  -87.92   71.62
   20.00  -76.08   37.74  -84.14   47.87
   21.00  -74.13   52.74  -79.18   42.40
   22.00  -72.88   67.74  -74.22   48.01
   23.00  -71.81   82.74  -69.48   55.43
</PRE>


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