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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>
07 Jan 1997 16:23:48 yearsecs    577428
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.20  185.63  -49.54  117.11
    1.00  -64.47  200.63  -49.00  127.25
    2.00  -65.57  215.63  -50.88  137.24
    3.00  -66.66  230.63  -53.25  146.94
    4.00  -66.48  245.63  -54.84  157.19
    5.00  -67.38  260.63  -57.77  166.82
    6.00  -67.46  275.63  -60.35  177.15
    7.00  -67.32  290.63  -63.15  188.00
    8.00  -68.00  305.63  -67.09  198.10
    9.00  -67.72  320.63  -70.55  210.98
   10.00  -67.35  335.63  -74.04  226.95
   11.00  -67.13  350.63  -77.41  248.12
   12.00  -67.16    5.63  -80.05  278.71
   13.00  -67.42   20.63  -80.52  318.82
   14.00  -67.90   35.63  -78.40  353.69
   15.00  -68.61   50.63  -75.16   17.81
   16.00  -69.53   65.63  -71.89   35.90
   17.00  -70.42   80.63  -68.77   50.52
   18.00  -70.20   95.63  -64.94   60.93
   19.00  -69.67  110.63  -61.28   70.33
   20.00  -68.66  125.63  -57.68   79.04
   21.00  -67.67  140.63  -54.71   88.01
   22.00  -66.75  155.63  -52.40   97.36
   23.00  -65.94  170.63  -50.69  107.12
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.32  185.63  -56.69  118.11
    1.00  -73.31  200.63  -57.76  126.73
    2.00  -74.26  215.63  -59.28  134.86
    3.00  -78.20  230.63  -64.08  140.28
    4.00  -80.24  245.63  -67.20  144.57
    5.00  -80.57  260.63  -68.97  149.82
    6.00  -80.01  275.63  -70.39  156.52
    7.00  -79.53  290.63  -72.28  163.04
    8.00  -79.93  305.63  -74.92  166.17
    9.00  -79.72  320.63  -77.49  170.21
   10.00  -79.89  335.63  -80.24  169.96
   11.00  -79.66  350.63  -82.99  167.09
   12.00  -79.71    5.63  -85.19  149.12
   13.00  -79.43   20.63  -85.94  111.50
   14.00  -79.36   35.63  -84.01   83.72
   15.00  -79.04   50.63  -81.10   73.79
   16.00  -79.20   65.63  -77.95   75.04
   17.00  -78.89   80.63  -74.78   76.92
   18.00  -79.18   95.63  -72.13   82.59
   19.00  -78.78  110.63  -69.39   86.91
   20.00  -77.81  125.63  -66.45   91.17
   21.00  -75.99  140.63  -63.00   95.68
   22.00  -74.19  155.63  -59.89  101.89
   23.00  -72.84  170.63  -57.65  109.57
</PRE>


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