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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>
14 Sep 1997 21:21:32 yearsecs  22195292
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.16  109.00  -57.03   63.27
    1.00  -64.40  124.00  -53.55   73.75
    2.00  -65.51  139.00  -52.68   85.32
    3.00  -66.62  154.00  -52.39   96.20
    4.00  -66.44  169.00  -51.27  106.18
    5.00  -67.35  184.00  -51.71  116.33
    6.00  -67.45  199.00  -51.88  126.07
    7.00  -67.30  214.00  -52.42  135.79
    8.00  -67.96  229.00  -54.29  145.32
    9.00  -67.66  244.00  -55.70  155.36
   10.00  -67.27  259.00  -57.43  165.80
   11.00  -67.06  274.00  -59.70  176.44
   12.00  -67.09  289.00  -62.61  187.14
   13.00  -67.35  304.00  -66.15  197.95
   14.00  -67.83  319.00  -70.23  209.31
   15.00  -68.54  334.00  -74.62  222.12
   16.00  -69.47  349.00  -79.08  238.32
   17.00  -70.39    4.00  -83.06  265.16
   18.00  -70.15   19.00  -83.70  316.19
   19.00  -69.63   34.00  -80.61  355.73
   20.00  -68.61   49.00  -75.62   15.83
   21.00  -67.62   64.00  -70.42   29.56
   22.00  -66.68   79.00  -65.47   41.25
   23.00  -65.88   94.00  -61.00   52.40
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.96  109.00  -63.80   72.76
    1.00  -72.96  124.00  -62.18   83.07
    2.00  -73.92  139.00  -61.16   92.57
    3.00  -77.90  154.00  -63.70  104.15
    4.00  -79.99  169.00  -64.95  112.51
    5.00  -80.31  184.00  -64.87  118.97
    6.00  -79.72  199.00  -64.25  125.31
    7.00  -79.24  214.00  -64.15  132.05
    8.00  -79.65  229.00  -65.35  138.33
    9.00  -79.41  244.00  -66.31  145.01
   10.00  -79.64  259.00  -68.05  150.89
   11.00  -79.36  274.00  -69.72  157.39
   12.00  -79.42  289.00  -71.96  162.81
   13.00  -79.14  304.00  -74.31  168.67
   14.00  -79.09  319.00  -77.04  172.89
   15.00  -78.77  334.00  -79.92  176.94
   16.00  -78.95  349.00  -82.92  173.79
   17.00  -78.64    4.00  -85.81  162.21
   18.00  -78.93   19.00  -86.55  114.29
   19.00  -78.50   34.00  -84.74   76.85
   20.00  -77.50   49.00  -81.44   62.59
   21.00  -75.66   64.00  -77.02   56.85
   22.00  -73.86   79.00  -72.07   58.62
   23.00  -72.49   94.00  -67.40   64.42
</PRE>


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