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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>
21 Aug 1997 22:51:00 yearsecs  20127060
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.70   87.29  -59.04   41.94
    1.00  -63.20  102.29  -56.31   55.50
    2.00  -63.75  117.29  -54.00   68.09
    3.00  -64.29  132.29  -52.24   79.68
    4.00  -63.99  147.29  -50.27   90.12
    5.00  -65.29  162.29  -50.47  101.20
    6.00  -65.53  177.29  -50.03  111.52
    7.00  -65.54  192.29  -49.88  121.62
    8.00  -66.09  207.29  -50.87  131.59
    9.00  -65.70  222.29  -51.54  141.69
   10.00  -65.27  237.29  -52.70  152.10
   11.00  -65.07  252.29  -54.48  162.73
   12.00  -65.10  267.29  -56.82  173.50
   13.00  -65.35  282.29  -59.74  184.29
   14.00  -65.83  297.29  -63.30  195.04
   15.00  -66.54  312.29  -67.46  205.99
   16.00  -67.47  327.29  -72.03  217.78
   17.00  -68.02  342.29  -76.26  233.39
   18.00  -67.79  357.29  -79.39  258.46
   19.00  -67.95   12.29  -81.38  295.30
   20.00  -66.62   27.29  -78.71  334.22
   21.00  -65.51   42.29  -74.04  359.34
   22.00  -64.33   57.29  -68.57   15.86
   23.00  -63.15   72.29  -63.18   28.94
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.41   87.29  -65.18   51.39
    1.00  -69.73  102.29  -63.03   64.75
    2.00  -70.85  117.29  -61.21   76.26
    3.00  -72.09  132.29  -60.17   86.82
    4.00  -75.25  147.29  -61.63   98.32
    5.00  -76.37  162.29  -61.64  106.94
    6.00  -75.58  177.29  -60.17  114.27
    7.00  -74.80  192.29  -59.17  122.10
    8.00  -75.81  207.29  -60.46  129.95
    9.00  -75.64  222.29  -61.03  137.83
   10.00  -75.79  237.29  -62.38  145.55
   11.00  -75.66  252.29  -63.88  153.50
   12.00  -75.28  267.29  -65.59  161.86
   13.00  -75.13  282.29  -67.90  170.00
   14.00  -75.36  297.29  -70.87  177.25
   15.00  -74.93  312.29  -73.75  186.28
   16.00  -74.79  327.29  -77.14  195.11
   17.00  -73.02  342.29  -79.93  214.31
   18.00  -72.79  357.29  -83.62  235.13
   19.00  -73.63   12.29  -87.42  277.59
   20.00  -72.94   27.29  -85.32  357.67
   21.00  -70.58   42.29  -79.40   13.63
   22.00  -69.61   57.29  -74.28   28.15
   23.00  -68.62   72.29  -69.21   39.51
</PRE>


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