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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 Aug 1997 19:47:36 yearsecs  20720856
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.34  132.43  -50.19   78.32
    1.00  -62.89  147.43  -49.12   89.61
    2.00  -63.45  162.43  -48.59  100.57
    3.00  -64.00  177.43  -48.48  111.27
    4.00  -63.63  192.43  -47.98  121.62
    5.00  -64.91  207.43  -49.73  131.83
    6.00  -65.36  222.43  -51.23  141.89
    7.00  -65.33  237.43  -52.77  152.17
    8.00  -66.01  252.43  -55.34  162.20
    9.00  -65.37  267.43  -57.09  173.37
   10.00  -65.00  282.43  -59.46  184.78
   11.00  -64.77  297.43  -62.39  196.58
   12.00  -64.80  312.43  -65.98  208.93
   13.00  -65.06  327.43  -70.00  222.75
   14.00  -65.54  342.43  -74.11  239.59
   15.00  -66.25  357.43  -77.94  262.54
   16.00  -67.18   12.43  -80.54  296.46
   17.00  -68.34   27.43  -80.62  337.51
   18.00  -68.37   42.43  -77.16    6.18
   19.00  -67.68   57.43  -72.29   23.02
   20.00  -66.31   72.43  -66.77   34.70
   21.00  -65.21   87.43  -61.82   45.89
   22.00  -63.99  102.43  -57.13   56.61
   23.00  -62.80  117.43  -52.97   67.27
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.24  132.43  -58.31   84.99
    1.00  -71.40  147.43  -57.79   95.11
    2.00  -72.42  162.43  -57.65  104.62
    3.00  -73.46  177.43  -58.02  113.67
    4.00  -76.25  192.43  -60.64  122.26
    5.00  -77.32  207.43  -61.98  129.66
    6.00  -76.68  222.43  -62.06  137.35
    7.00  -75.93  237.43  -62.52  145.51
    8.00  -76.90  252.43  -64.98  152.06
    9.00  -76.55  267.43  -66.65  159.92
   10.00  -76.53  282.43  -68.97  167.23
   11.00  -76.24  297.43  -71.48  175.06
   12.00  -75.90  312.43  -74.34  183.18
   13.00  -75.79  327.43  -77.65  190.82
   14.00  -75.98  342.43  -81.31  196.80
   15.00  -75.57  357.43  -84.99  208.02
   16.00  -75.45   12.43  -88.93  233.08
   17.00  -73.83   27.43  -86.00    7.36
   18.00  -73.63   42.43  -81.77   30.23
   19.00  -74.44   57.43  -78.08   47.28
   20.00  -73.86   72.43  -73.72   54.56
   21.00  -71.83   87.43  -68.35   58.68
   22.00  -71.14  102.43  -64.35   67.23
   23.00  -70.32  117.43  -60.67   75.65
</PRE>


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