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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 23:48:41 yearsecs  14687321
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.11   70.81  -61.03   24.46
    1.00  -61.74   85.81  -58.25   39.27
    2.00  -62.37  100.81  -55.71   53.23
    3.00  -62.99  115.81  -53.46   66.19
    4.00  -62.23  130.81  -50.29   77.02
    5.00  -63.30  145.81  -49.69   88.68
    6.00  -64.05  160.81  -49.30   99.67
    7.00  -64.24  175.81  -48.78  110.20
    8.00  -64.15  190.81  -48.48  120.54
    9.00  -65.10  205.81  -49.83  130.71
   10.00  -64.91  220.81  -50.66  140.91
   11.00  -64.49  235.81  -51.80  151.43
   12.00  -64.40  250.81  -53.66  162.11
   13.00  -64.57  265.81  -56.10  172.87
   14.00  -64.98  280.81  -59.13  183.59
   15.00  -65.63  295.81  -62.79  194.18
   16.00  -66.51  310.81  -67.07  204.81
   17.00  -67.61  325.81  -71.78  216.02
   18.00  -67.58  340.81  -75.52  232.66
   19.00  -66.92  355.81  -78.28  257.86
   20.00  -65.42   10.81  -78.57  293.87
   21.00  -64.25   25.81  -76.22  328.65
   22.00  -62.80   40.81  -71.16  352.98
   23.00  -61.65   55.81  -65.64    9.99
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.18   70.81  -72.01   44.94
    1.00  -72.01   85.81  -68.90   58.01
    2.00  -72.96  100.81  -66.35   69.58
    3.00  -73.81  115.81  -64.29   79.71
    4.00  -76.05  130.81  -64.18   90.88
    5.00  -77.19  145.81  -63.67   99.57
    6.00  -77.05  160.81  -62.41  106.68
    7.00  -76.63  175.81  -61.29  113.90
    8.00  -77.05  190.81  -61.45  121.49
    9.00  -76.72  205.81  -61.32  129.00
   10.00  -76.58  220.81  -61.86  136.59
   11.00  -76.31  235.81  -62.73  144.36
   12.00  -76.00  250.81  -64.00  152.34
   13.00  -75.90  265.81  -65.88  160.15
   14.00  -75.87  280.81  -68.20  167.80
   15.00  -75.40  295.81  -70.60  176.41
   16.00  -75.27  310.81  -73.63  184.44
   17.00  -73.99  325.81  -76.35  197.37
   18.00  -73.81  340.81  -79.99  208.92
   19.00  -74.36  355.81  -84.14  219.51
   20.00  -73.87   10.81  -87.43  265.83
   21.00  -72.26   25.81  -85.02  347.79
   22.00  -71.91   40.81  -80.97   17.76
   23.00  -70.91   55.81  -75.90   30.95
</PRE>


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