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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
24 Jul 1997 13:23:44 yearsecs  17673824
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.93  237.29  -51.45  152.73
    1.00  -63.80  252.29  -53.32  163.56
    2.00  -64.63  267.29  -56.40  173.90
    3.00  -65.46  282.29  -59.84  184.17
    4.00  -65.23  297.29  -62.77  195.86
    5.00  -66.35  312.29  -67.30  206.30
    6.00  -66.59  327.29  -71.29  219.66
    7.00  -66.59  342.29  -75.02  237.06
    8.00  -66.86  357.29  -78.51  260.86
    9.00  -66.62   12.29  -79.93  296.56
   10.00  -66.21   27.29  -78.25  333.69
   11.00  -66.02   42.29  -74.63    0.33
   12.00  -66.06   57.29  -70.57   19.20
   13.00  -66.32   72.29  -66.81   34.58
   14.00  -66.80   87.29  -63.54   48.45
   15.00  -67.51  102.29  -60.83   61.32
   16.00  -68.44  117.29  -58.83   73.22
   17.00  -69.49  132.29  -57.57   84.17
   18.00  -69.38  147.29  -55.77   93.54
   19.00  -68.77  162.29  -53.99  102.71
   20.00  -67.60  177.29  -52.12  112.00
   21.00  -66.55  192.29  -50.89  121.68
   22.00  -65.50  207.29  -50.29  131.66
   23.00  -64.51  222.29  -50.41  142.04
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.78  237.29  -58.67  148.50
    1.00  -72.87  252.29  -61.42  156.48
    2.00  -73.85  267.29  -64.40  163.94
    3.00  -76.39  282.29  -68.85  167.45
    4.00  -78.79  297.29  -72.97  167.60
    5.00  -79.44  312.29  -75.91  169.79
    6.00  -78.85  327.29  -78.59  175.68
    7.00  -78.29  342.29  -81.62  180.39
    8.00  -78.98  357.29  -84.47  167.97
    9.00  -78.70   12.29  -86.74  138.95
   10.00  -78.86   27.29  -85.74   90.77
   11.00  -78.62   42.29  -82.95   72.53
   12.00  -78.47   57.29  -79.62   69.96
   13.00  -78.25   72.29  -76.24   71.85
   14.00  -78.30   87.29  -73.16   76.89
   15.00  -77.94  102.29  -70.12   81.53
   16.00  -77.95  117.29  -67.73   87.83
   17.00  -77.03  132.29  -64.92   92.98
   18.00  -77.05  147.29  -63.40  100.13
   19.00  -77.18  162.29  -62.45  107.50
   20.00  -76.38  177.29  -60.99  114.55
   21.00  -74.46  192.29  -58.82  122.09
   22.00  -73.18  207.29  -57.82  130.51
   23.00  -72.10  222.29  -57.61  139.46
</PRE>


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