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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>
28 Oct 1997 12:29:20 yearsecs  25964960
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.20  237.58  -49.87  153.70
    1.00  -62.76  252.58  -52.41  164.41
    2.00  -63.32  267.58  -55.28  175.19
    3.00  -63.88  282.58  -58.49  186.07
    4.00  -63.47  297.58  -61.26  198.32
    5.00  -64.74  312.58  -65.96  209.15
    6.00  -65.23  327.58  -70.18  222.60
    7.00  -65.24  342.58  -73.87  240.42
    8.00  -65.79  357.58  -77.51  263.79
    9.00  -65.27   12.58  -78.44  298.29
   10.00  -64.85   27.58  -76.63  332.78
   11.00  -64.66   42.58  -72.97  358.24
   12.00  -64.70   57.58  -68.92   16.83
   13.00  -64.96   72.58  -65.22   32.28
   14.00  -65.44   87.58  -62.03   46.38
   15.00  -66.15  102.58  -59.38   59.59
   16.00  -67.08  117.58  -57.40   71.84
   17.00  -68.24  132.58  -56.26   83.19
   18.00  -68.26  147.58  -54.61   92.96
   19.00  -67.57  162.58  -52.76  102.36
   20.00  -66.20  177.58  -50.70  111.86
   21.00  -65.10  192.58  -49.44  121.79
   22.00  -63.85  207.58  -48.71  132.05
   23.00  -62.67  222.58  -48.70  142.76
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.03  237.58  -59.86  147.82
    1.00  -74.09  252.58  -62.54  155.40
    2.00  -75.04  267.58  -65.43  162.38
    3.00  -76.00  282.58  -68.61  168.40
    4.00  -78.16  297.58  -72.67  169.66
    5.00  -79.31  312.58  -75.91  170.40
    6.00  -78.80  327.58  -78.64  175.95
    7.00  -78.18  342.58  -81.68  181.13
    8.00  -78.98  357.58  -84.51  167.61
    9.00  -78.73   12.58  -86.73  137.77
   10.00  -78.72   27.58  -85.79   88.76
   11.00  -78.51   42.58  -82.91   71.49
   12.00  -78.15   57.58  -79.51   68.03
   13.00  -77.98   72.58  -76.07   70.77
   14.00  -78.05   87.58  -72.96   76.16
   15.00  -77.63  102.58  -69.84   80.87
   16.00  -77.45  117.58  -67.26   86.97
   17.00  -76.06  132.58  -63.97   91.76
   18.00  -75.87  147.58  -62.22   99.06
   19.00  -76.53  162.58  -61.78  107.19
   20.00  -76.02  177.58  -60.62  114.57
   21.00  -74.29  192.58  -58.65  122.23
   22.00  -73.72  207.58  -58.37  130.56
   23.00  -72.99  222.58  -58.49  139.25
</PRE>


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