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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>
12 Jun 1997 13:28:03 yearsecs  14045283
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.00  235.43  -49.42  152.22
    1.00  -62.50  250.43  -51.86  162.98
    2.00  -63.02  265.43  -54.65  173.82
    3.00  -63.53  280.43  -57.77  184.77
    4.00  -62.92  295.43  -60.28  197.24
    5.00  -64.06  310.43  -64.82  208.30
    6.00  -64.62  325.43  -69.10  221.46
    7.00  -64.79  340.43  -72.96  238.43
    8.00  -65.26  355.43  -76.60  260.79
    9.00  -64.79   10.43  -77.87  293.51
   10.00  -64.45   25.43  -76.51  328.01
   11.00  -64.34   40.43  -73.13  354.59
   12.00  -64.45   55.43  -69.21   14.01
   13.00  -64.78   70.43  -65.58   29.95
   14.00  -65.34   85.43  -62.44   44.40
   15.00  -66.14  100.43  -59.83   57.91
   16.00  -67.16  115.43  -57.86   70.42
   17.00  -68.42  130.43  -56.74   81.95
   18.00  -68.61  145.43  -55.16   91.81
   19.00  -67.99  160.43  -53.32  101.15
   20.00  -66.50  175.43  -51.07  110.50
   21.00  -65.27  190.43  -49.60  120.36
   22.00  -63.85  205.43  -48.60  130.57
   23.00  -62.59  220.43  -48.42  141.26
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.55  235.43  -58.26  147.53
    1.00  -72.53  250.43  -60.89  155.71
    2.00  -73.50  265.43  -63.82  163.36
    3.00  -74.43  280.43  -67.03  170.31
    4.00  -76.85  295.43  -71.50  172.48
    5.00  -77.92  310.43  -74.95  175.20
    6.00  -77.59  325.43  -77.89  181.62
    7.00  -77.25  340.43  -81.12  187.56
    8.00  -77.79  355.43  -84.51  181.96
    9.00  -77.58   10.43  -87.61  158.43
   10.00  -77.52   25.43  -86.98   77.25
   11.00  -77.28   40.43  -83.54   60.48
   12.00  -76.92   55.43  -79.72   60.03
   13.00  -76.78   70.43  -76.01   64.77
   14.00  -76.81   85.43  -72.64   71.21
   15.00  -76.35  100.43  -69.26   76.78
   16.00  -76.19  115.43  -66.50   83.60
   17.00  -74.78  130.43  -63.03   88.98
   18.00  -74.56  145.43  -61.13   96.68
   19.00  -75.07  160.43  -60.45  105.10
   20.00  -74.62  175.43  -59.26  112.94
   21.00  -72.84  190.43  -57.18  120.94
   22.00  -72.32  205.43  -56.90  129.59
   23.00  -71.43  220.43  -56.84  138.62
</PRE>


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