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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>
29 May 1997 16:17:51 yearsecs  12845871
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.99  190.95  -51.31  120.82
    1.00  -67.07  205.95  -51.76  130.59
    2.00  -67.88  220.95  -53.49  140.14
    3.00  -68.68  235.95  -55.68  149.48
    4.00  -68.35  250.95  -57.23  159.51
    5.00  -69.03  265.95  -60.06  168.86
    6.00  -69.03  280.95  -62.68  178.93
    7.00  -69.44  295.95  -66.08  188.59
    8.00  -70.50  310.95  -70.36  197.18
    9.00  -70.92  325.95  -74.38  207.76
   10.00  -70.68  340.95  -78.03  223.10
   11.00  -70.27  355.95  -81.36  247.04
   12.00  -70.12   10.95  -83.65  287.66
   13.00  -70.21   25.95  -82.91  338.54
   14.00  -70.56   40.95  -79.74   11.53
   15.00  -71.15   55.95  -76.07   31.94
   16.00  -71.75   70.95  -72.46   46.71
   17.00  -71.90   85.95  -68.77   57.84
   18.00  -71.99  100.95  -65.45   67.81
   19.00  -71.30  115.95  -61.88   76.03
   20.00  -70.43  130.95  -58.69   84.26
   21.00  -69.62  145.95  -56.14   92.87
   22.00  -69.00  160.95  -54.31  101.96
   23.00  -68.13  175.95  -52.69  111.26
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.08  190.95  -56.41  121.18
    1.00  -73.15  205.95  -57.75  129.75
    2.00  -73.89  220.95  -59.24  137.94
    3.00  -79.03  235.95  -65.27  141.94
    4.00  -80.80  250.95  -68.17  145.79
    5.00  -81.18  265.95  -70.02  150.43
    6.00  -80.55  280.95  -71.46  156.96
    7.00  -79.59  295.95  -73.16  164.62
    8.00  -79.62  310.95  -75.73  168.74
    9.00  -79.55  325.95  -78.44  171.75
   10.00  -79.24  340.95  -81.30  173.68
   11.00  -79.42  355.95  -84.01  165.11
   12.00  -79.72   10.95  -85.62  137.56
   13.00  -79.59   25.95  -85.31   99.94
   14.00  -79.45   40.95  -82.99   80.31
   15.00  -79.31   55.95  -79.98   75.17
   16.00  -79.21   70.95  -76.85   75.96
   17.00  -79.01   85.95  -73.81   78.95
   18.00  -79.97  100.95  -71.74   86.67
   19.00  -80.19  115.95  -69.72   92.17
   20.00  -79.43  130.95  -67.26   96.19
   21.00  -77.70  145.95  -64.16  100.21
   22.00  -75.02  160.95  -60.36  105.34
   23.00  -73.34  175.95  -57.94  112.79
</PRE>


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