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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>
10 Apr 1997 00:42:06 yearsecs   8556126
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.63   60.52  -64.35   14.97
    1.00  -62.22   75.52  -61.26   30.54
    2.00  -62.82   90.52  -58.44   44.95
    3.00  -63.41  105.52  -55.87   58.41
    4.00  -62.86  120.52  -52.51   69.72
    5.00  -64.07  135.52  -51.60   81.83
    6.00  -64.70  150.52  -50.72   92.79
    7.00  -64.87  165.52  -49.86  103.26
    8.00  -65.50  180.52  -49.92  113.70
    9.00  -64.89  195.52  -49.28  123.78
   10.00  -64.45  210.52  -49.46  133.99
   11.00  -64.26  225.52  -50.48  144.35
   12.00  -64.29  240.52  -52.18  154.84
   13.00  -64.55  255.52  -54.47  165.40
   14.00  -65.03  270.52  -57.31  175.92
   15.00  -65.74  285.52  -60.72  186.26
   16.00  -66.67  300.52  -64.76  196.33
   17.00  -67.83  315.52  -69.35  206.34
   18.00  -67.84  330.52  -73.16  220.20
   19.00  -67.16  345.52  -76.29  240.14
   20.00  -65.74    0.52  -77.93  269.84
   21.00  -64.63   15.52  -77.70  305.67
   22.00  -63.31   30.52  -74.23  336.97
   23.00  -62.14   45.52  -69.07  358.49
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.03   60.52  -73.78   32.62
    1.00  -71.02   75.52  -70.62   48.13
    2.00  -71.99   90.52  -67.77   61.10
    3.00  -72.93  105.52  -65.37   72.32
    4.00  -75.50  120.52  -65.09   84.92
    5.00  -76.60  135.52  -64.14   93.92
    6.00  -76.11  150.52  -62.20  100.78
    7.00  -75.34  165.52  -60.42  107.96
    8.00  -76.05  180.52  -60.57  116.10
    9.00  -76.04  195.52  -60.44  123.84
   10.00  -76.08  210.52  -60.84  131.55
   11.00  -75.90  225.52  -61.50  139.37
   12.00  -75.59  240.52  -62.50  147.41
   13.00  -75.50  255.52  -64.15  155.37
   14.00  -75.60  270.52  -66.34  163.04
   15.00  -75.17  285.52  -68.50  171.61
   16.00  -75.06  300.52  -71.31  179.70
   17.00  -73.59  315.52  -73.65  192.26
   18.00  -73.41  330.52  -77.17  202.85
   19.00  -74.12  345.52  -81.36  211.05
   20.00  -73.57    0.52  -84.93  234.65
   21.00  -71.62   15.52  -85.45  302.96
   22.00  -71.00   30.52  -82.80  353.77
   23.00  -69.98   45.52  -77.94   15.79
</PRE>


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