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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>
17 Feb 1997 02:50:01 yearsecs   4071001
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.88   33.50  -73.07  341.75
    1.00  -63.30   48.50  -69.72    3.92
    2.00  -63.89   63.50  -66.36   21.59
    3.00  -64.47   78.50  -63.17   36.85
    4.00  -64.19   93.50  -59.30   49.47
    5.00  -65.48  108.50  -57.46   63.27
    6.00  -65.81  123.50  -55.10   74.72
    7.00  -65.88  138.50  -53.12   85.24
    8.00  -66.39  153.50  -52.20   95.74
    9.00  -65.78  168.50  -50.63  105.62
   10.00  -65.37  183.50  -49.73  115.69
   11.00  -65.18  198.50  -49.63  125.79
   12.00  -65.21  213.50  -50.39  135.88
   13.00  -65.47  228.50  -51.92  145.97
   14.00  -65.96  243.50  -54.09  156.03
   15.00  -66.66  258.50  -56.82  165.94
   16.00  -67.59  273.50  -60.08  175.51
   17.00  -68.68  288.50  -63.86  184.59
   18.00  -68.42  303.50  -66.93  195.77
   19.00  -68.06  318.50  -70.29  208.40
   20.00  -66.76  333.50  -73.01  225.90
   21.00  -65.67  348.50  -75.60  248.17
   22.00  -64.51    3.50  -77.05  278.16
   23.00  -63.35   18.50  -76.06  312.64
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.42   33.50  -79.46  350.99
    1.00  -69.66   48.50  -76.80   18.48
    2.00  -70.70   63.50  -73.57   37.41
    3.00  -72.13   78.50  -70.81   53.29
    4.00  -75.20   93.50  -69.76   70.48
    5.00  -75.84  108.50  -67.36   79.53
    6.00  -75.52  123.50  -64.67   86.45
    7.00  -74.88  138.50  -62.16   93.34
    8.00  -76.13  153.50  -62.00  102.31
    9.00  -75.88  168.50  -60.82  109.82
   10.00  -76.09  183.50  -60.54  117.64
   11.00  -75.97  198.50  -60.41  125.38
   12.00  -75.67  213.50  -60.56  133.23
   13.00  -75.54  228.50  -61.38  141.14
   14.00  -75.77  243.50  -62.98  148.80
   15.00  -75.38  258.50  -64.43  157.10
   16.00  -75.29  273.50  -66.55  165.11
   17.00  -73.68  288.50  -67.93  176.22
   18.00  -73.42  303.50  -70.82  185.47
   19.00  -74.07  318.50  -74.65  192.56
   20.00  -73.28  333.50  -77.84  205.62
   21.00  -70.90  348.50  -80.09  231.84
   22.00  -69.80    3.50  -82.42  266.14
   23.00  -68.72   18.50  -82.14  313.52
</PRE>


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