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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>
16 May 1997 12:11:15 yearsecs  11707875
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.44  250.35  -50.87  163.51
    1.00  -62.59  265.35  -54.25  174.07
    2.00  -63.65  280.35  -57.85  184.60
    3.00  -65.83  295.35  -62.86  193.55
    4.00  -65.62  310.35  -66.19  205.86
    5.00  -66.67  325.35  -70.87  217.54
    6.00  -66.86  340.35  -74.79  233.86
    7.00  -66.81  355.35  -78.09  257.24
    8.00  -67.39   10.35  -80.69  290.56
    9.00  -66.96   25.35  -79.42  330.24
   10.00  -66.55   40.35  -75.73  358.48
   11.00  -66.36   55.35  -71.44   17.69
   12.00  -66.39   70.35  -67.40   32.93
   13.00  -66.65   85.35  -63.86   46.57
   14.00  -67.13  100.35  -60.87   59.30
   15.00  -67.84  115.35  -58.57   71.16
   16.00  -68.77  130.35  -57.11   82.23
   17.00  -69.50  145.35  -56.07   92.40
   18.00  -69.63  160.35  -54.98  101.90
   19.00  -69.05  175.35  -53.63  111.13
   20.00  -67.93  190.35  -52.24  120.50
   21.00  -65.83  205.35  -50.52  130.33
   22.00  -63.84  220.35  -49.61  140.88
   23.00  -62.15  235.35  -49.56  152.10
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.44  250.35  -55.44  160.46
    1.00  -67.59  265.35  -58.71  169.87
    2.00  -68.65  280.35  -62.24  179.01
    3.00  -72.45  295.35  -68.35  182.70
    4.00  -75.34  310.35  -73.57  183.98
    5.00  -75.88  325.35  -77.21  189.43
    6.00  -74.87  340.35  -80.38  202.69
    7.00  -74.34  355.35  -84.01  219.11
    8.00  -75.36   10.35  -88.36  228.00
    9.00  -75.18   25.35  -87.32   24.29
   10.00  -75.59   40.35  -83.30   44.10
   11.00  -75.40   55.35  -79.15   51.02
   12.00  -75.44   70.35  -75.30   59.18
   13.00  -75.26   85.35  -71.60   66.39
   14.00  -75.41  100.35  -68.53   74.52
   15.00  -75.08  115.35  -65.53   81.57
   16.00  -75.29  130.35  -63.52   89.61
   17.00  -74.50  145.35  -61.07   96.58
   18.00  -74.72  160.35  -60.10  104.82
   19.00  -74.55  175.35  -59.19  112.87
   20.00  -73.35  190.35  -57.70  120.93
   21.00  -70.83  205.35  -55.43  129.75
   22.00  -68.84  220.35  -54.35  139.45
   23.00  -67.15  235.35  -54.20  149.87
</PRE>


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