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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>
03 Jan 1997 13:47:14 yearsecs    222434
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.55  220.06  -51.21  140.23
    1.00  -65.02  235.06  -52.21  150.67
    2.00  -66.02  250.06  -55.02  160.54
    3.00  -67.01  265.06  -58.15  170.21
    4.00  -66.75  280.06  -60.54  181.10
    5.00  -67.56  295.06  -64.30  190.91
    6.00  -67.57  310.06  -67.79  202.35
    7.00  -67.54  325.06  -71.52  215.47
    8.00  -68.30  340.06  -75.94  229.77
    9.00  -68.13  355.06  -79.27  253.12
   10.00  -67.85   10.06  -81.16  289.15
   11.00  -67.66   25.06  -80.24  330.50
   12.00  -67.69   40.06  -77.06    0.69
   13.00  -67.95   55.06  -73.24   21.13
   14.00  -68.43   70.06  -69.61   37.11
   15.00  -69.13   85.06  -66.44   51.08
   16.00  -69.98  100.06  -63.75   63.64
   17.00  -70.67  115.06  -61.43   74.62
   18.00  -70.55  130.06  -58.94   83.84
   19.00  -70.00  145.06  -56.61   92.60
   20.00  -69.04  160.06  -54.41  101.42
   21.00  -68.11  175.06  -52.70  110.69
   22.00  -67.27  190.06  -51.59  120.27
   23.00  -66.43  205.06  -51.09  130.08
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.88  220.06  -57.24  138.24
    1.00  -72.90  235.06  -59.48  146.46
    2.00  -73.80  250.06  -61.97  154.29
    3.00  -78.15  265.06  -67.60  156.08
    4.00  -80.16  280.06  -71.10  157.69
    5.00  -80.50  295.06  -73.47  161.36
    6.00  -79.89  310.06  -75.66  167.41
    7.00  -79.43  325.06  -78.26  172.30
    8.00  -79.57  340.06  -81.09  171.51
    9.00  -79.39  355.06  -83.88  166.15
   10.00  -79.49   10.06  -85.80  140.92
   11.00  -79.29   25.06  -85.67   99.57
   12.00  -79.41   40.06  -83.17   80.59
   13.00  -79.17   55.06  -80.16   74.25
   14.00  -79.08   70.06  -77.00   75.19
   15.00  -78.81   85.06  -73.87   77.93
   16.00  -78.89  100.06  -71.18   83.24
   17.00  -78.61  115.06  -68.60   88.28
   18.00  -79.12  130.06  -67.09   95.30
   19.00  -78.90  145.06  -65.38  101.25
   20.00  -77.98  160.06  -63.38  107.04
   21.00  -76.16  175.06  -60.83  113.33
   22.00  -74.09  190.06  -58.45  120.84
   23.00  -72.62  205.06  -57.19  129.33
</PRE>


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