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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>
12 Oct 1997 22:25:36 yearsecs  24618336
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.50   92.92  -60.84   50.93
    1.00  -64.94  107.92  -57.01   62.17
    2.00  -65.95  122.92  -55.34   74.44
    3.00  -66.96  137.92  -54.29   85.66
    4.00  -66.71  152.92  -52.57   95.52
    5.00  -67.53  167.92  -52.42  105.85
    6.00  -67.55  182.92  -51.93  115.66
    7.00  -67.50  197.92  -51.91  125.36
    8.00  -68.25  212.92  -53.27  134.89
    9.00  -68.12  227.92  -54.33  144.56
   10.00  -67.79  242.92  -55.68  154.56
   11.00  -67.57  257.92  -57.54  164.80
   12.00  -67.61  272.92  -59.99  175.10
   13.00  -67.86  287.92  -63.05  185.32
   14.00  -68.35  302.92  -66.74  195.46
   15.00  -69.05  317.92  -70.95  205.79
   16.00  -69.91  332.92  -75.41  217.11
   17.00  -70.63  347.92  -79.75  232.17
   18.00  -70.50    2.92  -82.98  261.78
   19.00  -69.95   17.92  -83.54  312.25
   20.00  -68.98   32.92  -80.20  351.43
   21.00  -68.04   47.92  -75.33   12.87
   22.00  -67.19   62.92  -70.26   27.51
   23.00  -66.35   77.92  -65.39   39.68
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.55   92.92  -68.56   66.13
    1.00  -74.53  107.92  -66.34   76.65
    2.00  -75.40  122.92  -64.65   85.98
    3.00  -79.33  137.92  -66.44   98.83
    4.00  -81.18  152.92  -66.98  107.25
    5.00  -81.52  167.92  -66.54  113.22
    6.00  -81.03  182.92  -65.62  118.75
    7.00  -80.54  197.92  -65.08  124.78
    8.00  -80.88  212.92  -65.76  130.80
    9.00  -80.78  227.92  -66.37  136.88
   10.00  -80.91  242.92  -67.55  142.59
   11.00  -80.73  257.92  -68.81  148.51
   12.00  -80.76  272.92  -70.56  153.75
   13.00  -80.48  287.92  -72.40  159.34
   14.00  -80.36  302.92  -74.64  163.91
   15.00  -80.05  317.92  -77.07  168.21
   16.00  -80.09  332.92  -79.74  168.95
   17.00  -79.79  347.92  -82.47  167.45
   18.00  -80.18    2.92  -84.49  150.22
   19.00  -79.92   17.92  -85.53  119.90
   20.00  -79.03   32.92  -84.68   83.62
   21.00  -77.34   47.92  -81.69   61.23
   22.00  -75.45   62.92  -77.19   55.33
   23.00  -74.15   77.92  -72.55   58.84
</PRE>


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