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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>
19 Oct 1997 12:34:28 yearsecs  25187668
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.25  237.52  -51.78  152.74
    1.00  -64.73  252.52  -54.20  163.13
    2.00  -65.77  267.52  -57.46  173.08
    3.00  -66.82  282.52  -61.07  182.79
    4.00  -66.58  297.52  -64.00  194.17
    5.00  -67.43  312.52  -68.28  204.60
    6.00  -67.47  327.52  -72.10  218.01
    7.00  -67.38  342.52  -75.77  235.41
    8.00  -67.93  357.52  -79.57  258.53
    9.00  -67.92   12.52  -81.35  296.01
   10.00  -67.55   27.52  -79.73  336.21
   11.00  -67.37   42.52  -76.07    3.66
   12.00  -67.40   57.52  -71.98   22.46
   13.00  -67.67   72.52  -68.18   37.58
   14.00  -68.15   87.52  -64.86   51.08
   15.00  -68.86  102.52  -62.13   63.53
   16.00  -69.74  117.52  -60.09   74.98
   17.00  -70.53  132.52  -58.59   85.34
   18.00  -70.36  147.52  -56.74   94.39
   19.00  -69.82  162.52  -55.04  103.36
   20.00  -68.84  177.52  -53.36  112.46
   21.00  -67.88  192.52  -52.21  121.90
   22.00  -66.82  207.52  -51.59  131.65
   23.00  -65.10  222.52  -51.00  142.02
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.25  237.52  -56.38  150.18
    1.00  -70.30  252.52  -59.18  158.97
    2.00  -71.25  267.52  -62.23  167.42
    3.00  -76.03  282.52  -68.62  168.33
    4.00  -78.33  297.52  -72.76  169.12
    5.00  -78.63  312.52  -75.66  173.17
    6.00  -77.90  327.52  -78.43  180.65
    7.00  -77.32  342.52  -81.61  187.46
    8.00  -77.82  357.52  -84.96  180.31
    9.00  -77.66   12.52  -87.80  146.90
   10.00  -77.91   27.52  -86.34   78.71
   11.00  -77.70   42.52  -83.02   64.25
   12.00  -77.88   57.52  -79.46   66.39
   13.00  -77.64   72.52  -75.94   69.28
   14.00  -77.62   87.52  -72.71   74.73
   15.00  -77.35  102.52  -69.64   80.14
   16.00  -77.54  117.52  -67.34   87.10
   17.00  -77.26  132.52  -65.11   93.42
   18.00  -77.74  147.52  -64.05  100.98
   19.00  -77.35  162.52  -62.61  107.73
   20.00  -76.23  177.52  -60.83  114.62
   21.00  -74.10  192.52  -58.46  122.20
   22.00  -71.82  207.52  -56.49  130.89
   23.00  -70.10  222.52  -55.73  140.38
</PRE>


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