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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>
05 May 1997 14:26:35 yearsecs  10765595
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.46  220.51  -50.21  140.83
    1.00  -65.53  235.51  -52.73  150.75
    2.00  -66.48  250.51  -55.50  160.54
    3.00  -67.43  265.51  -58.59  170.14
    4.00  -67.14  280.51  -60.97  180.96
    5.00  -67.90  295.51  -64.69  190.72
    6.00  -67.88  310.51  -68.16  202.14
    7.00  -67.87  325.51  -71.91  215.17
    8.00  -68.41  340.51  -76.14  230.02
    9.00  -68.71  355.51  -79.89  252.15
   10.00  -68.40   10.51  -81.79  289.57
   11.00  -68.20   25.51  -80.78  332.50
   12.00  -68.22   40.51  -77.51    2.81
   13.00  -68.45   55.51  -73.64   22.96
   14.00  -68.92   70.51  -69.98   38.67
   15.00  -69.60   85.51  -66.77   52.39
   16.00  -70.40  100.51  -64.05   64.66
   17.00  -70.97  115.51  -61.64   75.31
   18.00  -70.89  130.51  -59.21   84.47
   19.00  -70.32  145.51  -56.89   93.12
   20.00  -69.39  160.51  -54.73  101.88
   21.00  -68.50  175.51  -53.07  111.08
   22.00  -67.21  190.51  -51.53  120.56
   23.00  -65.46  205.51  -50.17  130.47
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.46  220.51  -54.96  139.35
    1.00  -70.59  235.51  -57.39  148.15
    2.00  -71.53  250.51  -60.01  156.66
    3.00  -76.64  265.51  -66.44  158.84
    4.00  -78.86  280.51  -70.31  161.11
    5.00  -79.25  295.51  -72.91  165.55
    6.00  -78.55  310.51  -75.24  172.85
    7.00  -77.82  325.51  -77.98  180.53
    8.00  -78.24  340.51  -81.24  180.70
    9.00  -77.95  355.51  -84.49  180.10
   10.00  -77.96   10.51  -87.29  152.59
   11.00  -77.78   25.51  -86.80   81.37
   12.00  -77.96   40.51  -83.47   67.11
   13.00  -77.71   55.51  -79.90   64.98
   14.00  -77.62   70.51  -76.38   68.52
   15.00  -77.36   85.51  -72.97   73.06
   16.00  -77.43  100.51  -70.07   79.49
   17.00  -77.17  115.51  -67.33   85.49
   18.00  -77.88  130.51  -65.92   93.45
   19.00  -77.76  145.51  -64.25  100.07
   20.00  -76.77  160.51  -62.15  106.33
   21.00  -74.71  175.51  -59.35  113.02
   22.00  -72.21  190.51  -56.54  120.94
   23.00  -70.46  205.51  -55.07  129.90
</PRE>


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