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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 Mar 1997 19:02:18 yearsecs   6634938
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.90  147.16  -50.19   89.99
    1.00  -63.78  162.16  -48.94  100.50
    2.00  -64.61  177.16  -49.11  111.22
    3.00  -65.43  192.16  -49.77  121.53
    4.00  -65.20  207.16  -50.00  131.61
    5.00  -66.32  222.16  -52.12  141.41
    6.00  -66.55  237.16  -53.86  151.39
    7.00  -66.41  252.16  -55.67  161.73
    8.00  -67.10  267.16  -58.57  171.60
    9.00  -66.62  282.16  -60.83  182.76
   10.00  -66.24  297.16  -63.62  194.39
   11.00  -66.01  312.16  -66.98  206.77
   12.00  -66.05  327.16  -70.79  220.61
   13.00  -66.30  342.16  -74.74  237.55
   14.00  -66.79  357.16  -78.41  260.79
   15.00  -67.49   12.16  -80.88  295.41
   16.00  -68.43   27.16  -80.76  337.04
   17.00  -69.47   42.16  -78.37    9.26
   18.00  -69.37   57.16  -74.09   27.31
   19.00  -68.76   72.16  -69.38   39.73
   20.00  -67.58   87.16  -64.38   49.74
   21.00  -66.53  102.16  -59.86   59.81
   22.00  -65.47  117.16  -55.82   69.78
   23.00  -64.48  132.16  -52.45   79.74
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.68  147.16  -59.09   95.98
    1.00  -73.74  162.16  -59.00  105.21
    2.00  -74.70  177.16  -59.28  113.91
    3.00  -77.12  192.16  -61.53  122.17
    4.00  -79.41  207.16  -64.09  128.95
    5.00  -80.05  222.16  -65.34  135.11
    6.00  -79.51  237.16  -65.81  141.97
    7.00  -79.00  252.16  -66.77  149.06
    8.00  -79.69  267.16  -69.06  154.05
    9.00  -79.46  282.16  -70.95  160.26
   10.00  -79.64  297.16  -73.39  164.83
   11.00  -79.46  312.16  -75.89  169.68
   12.00  -79.31  327.16  -78.64  173.19
   13.00  -79.08  342.16  -81.55  174.65
   14.00  -79.09  357.16  -84.39  167.02
   15.00  -78.71   12.16  -86.72  139.33
   16.00  -78.69   27.16  -85.88   89.33
   17.00  -77.78   42.16  -83.10   65.03
   18.00  -77.77   57.16  -79.53   65.65
   19.00  -77.88   72.16  -76.12   70.19
   20.00  -77.10   87.16  -72.46   72.90
   21.00  -75.26  102.16  -68.05   75.11
   22.00  -74.02  117.16  -64.26   80.79
   23.00  -72.98  132.16  -61.05   87.73
</PRE>


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