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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>
25 Oct 1997 14:45:04 yearsecs  25713904
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.18  205.13  -42.05  130.91
    1.00  -57.43  220.13  -43.41  142.25
    2.00  -57.66  235.13  -45.22  153.66
    3.00  -57.86  250.13  -47.44  165.21
    4.00  -58.03  265.13  -49.99  177.03
    5.00  -58.58  280.13  -53.18  188.89
    6.00  -60.28  295.13  -57.78  199.86
    7.00  -61.57  310.13  -62.46  211.37
    8.00  -60.74  325.13  -65.42  226.98
    9.00  -60.65  340.13  -68.93  244.69
   10.00  -60.61  355.13  -71.85  267.21
   11.00  -60.69   10.13  -73.35  295.66
   12.00  -60.94   25.13  -72.38  325.62
   13.00  -61.37   40.13  -69.53  350.34
   14.00  -61.98   55.13  -66.25    9.71
   15.00  -62.79   70.13  -63.29   26.31
   16.00  -63.80   85.13  -60.79   41.67
   17.00  -65.00  100.13  -58.71   56.09
   18.00  -65.30  115.13  -56.00   68.09
   19.00  -63.99  130.13  -52.22   77.89
   20.00  -62.40  145.13  -48.82   87.67
   21.00  -61.17  160.13  -46.40   98.03
   22.00  -59.30  175.13  -43.80  108.59
   23.00  -58.16  190.13  -42.51  119.62
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.85  205.13  -57.42  129.34
    1.00  -73.73  220.13  -59.04  137.55
    2.00  -74.56  235.13  -61.03  145.36
    3.00  -75.02  250.13  -63.06  153.07
    4.00  -75.73  265.13  -65.65  160.06
    5.00  -76.92  280.13  -68.88  165.31
    6.00  -77.25  295.13  -71.69  171.27
    7.00  -76.46  310.13  -74.16  180.23
    8.00  -76.54  325.13  -77.45  186.42
    9.00  -76.63  340.13  -80.93  191.59
   10.00  -76.35  355.13  -84.53  198.12
   11.00  -75.99   10.13  -88.39  203.96
   12.00  -75.75   25.13  -87.53   37.66
   13.00  -75.54   40.13  -83.34   43.58
   14.00  -75.51   55.13  -79.26   51.55
   15.00  -75.31   70.13  -75.27   58.56
   16.00  -75.59   85.13  -71.89   67.28
   17.00  -75.75  100.13  -68.85   75.21
   18.00  -75.36  115.13  -65.81   81.95
   19.00  -74.45  130.13  -62.75   88.39
   20.00  -74.10  145.13  -60.71   96.09
   21.00  -73.38  160.13  -58.77  103.86
   22.00  -73.50  175.13  -58.13  112.38
   23.00  -72.70  190.13  -57.04  120.76
</PRE>


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