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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>
18 Oct 1997 00:48:18 yearsecs  25058898
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.18   57.49  -67.12   14.12
    1.00  -63.45   72.49  -63.49   29.61
    2.00  -64.11   87.49  -60.59   44.20
    3.00  -64.76  102.49  -57.94   57.65
    4.00  -64.49  117.49  -54.74   69.00
    5.00  -65.73  132.49  -53.70   80.97
    6.00  -66.04  147.49  -52.35   91.48
    7.00  -65.91  162.49  -51.09  101.59
    8.00  -66.61  177.49  -51.11  111.90
    9.00  -66.06  192.49  -50.40  121.79
   10.00  -65.62  207.49  -50.42  131.78
   11.00  -65.43  222.49  -51.30  141.90
   12.00  -65.46  237.49  -52.90  152.15
   13.00  -65.72  252.49  -55.09  162.44
   14.00  -66.20  267.49  -57.83  172.67
   15.00  -66.91  282.49  -61.15  182.66
   16.00  -67.84  297.49  -65.07  192.27
   17.00  -68.95  312.49  -69.52  201.64
   18.00  -68.93  327.49  -73.27  214.53
   19.00  -68.27  342.49  -76.51  232.96
   20.00  -67.00  357.49  -78.67  260.93
   21.00  -65.92   12.49  -79.16  297.62
   22.00  -64.79   27.49  -76.56  332.54
   23.00  -63.68   42.49  -71.80  356.56
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.31   57.49  -75.77   33.98
    1.00  -72.46   72.49  -72.64   50.02
    2.00  -73.46   87.49  -69.72   62.67
    3.00  -75.14  102.49  -67.89   75.02
    4.00  -77.77  117.49  -67.55   87.55
    5.00  -78.64  132.49  -66.38   95.51
    6.00  -77.99  147.49  -64.30  101.24
    7.00  -77.33  162.49  -62.59  107.70
    8.00  -78.02  177.49  -62.65  115.26
    9.00  -77.94  192.49  -62.36  122.38
   10.00  -78.06  207.49  -62.73  129.49
   11.00  -77.89  222.49  -63.23  136.68
   12.00  -77.61  237.49  -64.09  144.04
   13.00  -77.43  252.49  -65.45  151.40
   14.00  -77.56  267.49  -67.46  158.22
   15.00  -77.17  282.49  -69.44  165.86
   16.00  -77.09  297.49  -72.02  172.75
   17.00  -75.75  312.49  -74.27  183.72
   18.00  -75.63  327.49  -77.59  191.60
   19.00  -76.15  342.49  -81.37  195.72
   20.00  -75.47  357.49  -84.98  209.32
   21.00  -73.46   12.49  -87.27  280.46
   22.00  -72.45   27.49  -84.84  354.31
   23.00  -71.52   42.49  -80.17   18.11
</PRE>


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