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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>
08 Dec 1997 03:53:30 yearsecs  29476410
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.75   10.87  -70.03  298.56
    1.00  -58.88   25.87  -69.72  326.30
    2.00  -59.95   40.87  -67.50  349.94
    3.00  -65.13   55.87  -69.89   15.77
    4.00  -66.08   70.87  -66.92   32.80
    5.00  -67.06   85.87  -64.15   47.73
    6.00  -67.19  100.87  -60.82   59.78
    7.00  -67.14  115.87  -57.76   70.71
    8.00  -67.70  130.87  -55.95   81.58
    9.00  -67.34  145.87  -53.83   91.23
   10.00  -66.92  160.87  -52.21  100.94
   11.00  -66.73  175.87  -51.29  110.86
   12.00  -66.77  190.87  -51.09  120.76
   13.00  -67.03  205.87  -51.71  130.55
   14.00  -67.51  220.87  -53.13  140.20
   15.00  -68.22  235.87  -55.24  149.68
   16.00  -69.10  250.87  -57.89  158.89
   17.00  -68.56  265.87  -59.64  169.29
   18.00  -68.69  280.87  -62.38  179.31
   19.00  -68.14  295.87  -64.97  190.63
   20.00  -66.61  310.87  -67.17  204.69
   21.00  -63.69  325.87  -68.37  223.47
   22.00  -61.03  340.87  -69.47  245.15
   23.00  -58.81  355.87  -70.10  270.35
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.75   10.87  -75.63  296.00
    1.00  -63.88   25.87  -75.77  328.52
    2.00  -64.95   40.87  -73.75  356.24
    3.00  -70.13   55.87  -75.17   28.35
    4.00  -73.26   70.87  -73.68   51.48
    5.00  -73.52   85.87  -70.15   61.84
    6.00  -73.02  100.87  -66.38   69.73
    7.00  -72.54  115.87  -63.08   77.78
    8.00  -73.61  130.87  -61.84   87.75
    9.00  -73.47  145.87  -60.01   95.93
   10.00  -74.04  160.87  -59.38  104.68
   11.00  -73.83  175.87  -58.45  112.91
   12.00  -74.06  190.87  -58.41  121.28
   13.00  -73.87  205.87  -58.46  129.59
   14.00  -74.03  220.87  -59.38  137.84
   15.00  -73.74  235.87  -60.34  146.36
   16.00  -74.10  250.87  -62.34  154.43
   17.00  -73.56  265.87  -63.94  163.53
   18.00  -73.69  280.87  -66.53  171.86
   19.00  -73.14  295.87  -68.99  181.59
   20.00  -71.61  310.87  -71.18  194.57
   21.00  -68.69  325.87  -72.67  213.61
   22.00  -66.03  340.87  -74.19  236.45
   23.00  -63.81  355.87  -75.24  264.17
</PRE>


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