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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
28 Mar 1997 15:21:13 yearsecs   7485673
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.12  205.53  -43.01  131.13
    1.00  -59.40  220.53  -45.37  142.10
    2.00  -60.27  235.53  -47.79  152.99
    3.00  -67.57  250.53  -56.48  159.80
    4.00  -67.24  265.53  -58.43  170.33
    5.00  -67.87  280.53  -61.61  180.10
    6.00  -67.74  295.53  -64.56  190.98
    7.00  -67.56  310.53  -67.90  202.73
    8.00  -67.43  325.53  -71.56  216.14
    9.00  -67.02  340.53  -74.97  233.72
   10.00  -67.20  355.53  -78.50  256.61
   11.00  -67.53   10.53  -80.85  290.88
   12.00  -68.18   25.53  -80.76  332.51
   13.00  -68.15   40.53  -77.44    2.66
   14.00  -68.18   55.53  -73.35   22.24
   15.00  -68.11   70.53  -69.16   36.78
   16.00  -68.18   85.53  -65.38   49.55
   17.00  -68.08  100.53  -61.78   60.87
   18.00  -69.58  115.53  -60.28   73.47
   19.00  -69.94  130.53  -58.26   83.50
   20.00  -68.95  145.53  -55.50   92.12
   21.00  -66.56  160.53  -51.87  100.55
   22.00  -62.70  175.53  -47.23  109.64
   23.00  -60.07  190.53  -44.42  120.05
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.12  205.53  -47.89  130.71
    1.00  -64.40  220.53  -50.16  140.86
    2.00  -65.27  235.53  -52.49  150.89
    3.00  -72.57  250.53  -60.93  155.73
    4.00  -75.21  265.53  -65.27  161.04
    5.00  -75.56  280.53  -67.92  168.26
    6.00  -74.29  295.53  -69.77  178.88
    7.00  -72.56  310.53  -71.79  191.96
    8.00  -72.43  325.53  -75.32  202.71
    9.00  -72.02  340.53  -78.85  217.28
   10.00  -72.20  355.53  -82.78  236.03
   11.00  -72.53   10.53  -86.11  276.76
   12.00  -73.18   25.53  -85.92  354.22
   13.00  -73.15   40.53  -81.99   24.76
   14.00  -73.18   55.53  -77.78   39.86
   15.00  -73.11   70.53  -73.66   50.74
   16.00  -73.18   85.53  -69.95   60.74
   17.00  -73.08  100.53  -66.51   69.64
   18.00  -74.58  115.53  -65.05   80.82
   19.00  -74.94  130.53  -63.17   89.24
   20.00  -73.95  145.53  -60.51   96.17
   21.00  -71.56  160.53  -56.92  103.04
   22.00  -67.70  175.53  -52.27  110.88
   23.00  -65.07  190.53  -49.40  120.41
</PRE>


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