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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>
31 May 1997 17:34:27 yearsecs  13023267
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.82  166.77  -47.72  103.43
    1.00  -62.92  181.77  -47.30  114.10
    2.00  -63.64  196.77  -48.07  124.62
    3.00  -64.35  211.77  -49.44  134.85
    4.00  -64.05  226.77  -50.41  145.28
    5.00  -65.23  241.77  -53.21  155.23
    6.00  -65.46  256.77  -55.48  165.65
    7.00  -65.24  271.77  -57.71  176.65
    8.00  -65.95  286.77  -61.15  186.93
    9.00  -66.62  301.77  -65.00  197.38
   10.00  -65.87  316.77  -68.01  211.03
   11.00  -65.38  331.77  -71.37  226.83
   12.00  -65.30  346.77  -74.88  246.30
   13.00  -65.51    1.77  -77.87  272.90
   14.00  -65.96   16.77  -79.14  308.44
   15.00  -66.65   31.77  -77.88  343.66
   16.00  -67.57   46.77  -75.15   10.12
   17.00  -68.12   61.77  -71.55   28.57
   18.00  -67.81   76.77  -67.22   41.58
   19.00  -67.91   91.77  -63.61   53.96
   20.00  -66.69  106.77  -59.06   63.52
   21.00  -65.52  121.77  -55.08   73.19
   22.00  -64.28  136.77  -51.67   82.87
   23.00  -63.21  151.77  -49.09   92.88
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.04  166.77  -53.00  105.29
    1.00  -69.48  181.77  -53.89  115.28
    2.00  -70.73  196.77  -55.10  124.60
    3.00  -73.17  211.77  -58.01  133.04
    4.00  -76.19  226.77  -61.88  139.83
    5.00  -77.14  241.77  -64.05  146.56
    6.00  -76.44  256.77  -65.11  154.81
    7.00  -75.73  271.77  -66.63  163.47
    8.00  -76.56  286.77  -69.74  169.22
    9.00  -76.45  301.77  -72.46  176.48
   10.00  -76.74  316.77  -75.70  182.10
   11.00  -76.46  331.77  -78.92  189.53
   12.00  -76.07  346.77  -82.40  198.08
   13.00  -75.70    1.77  -86.16  208.88
   14.00  -75.68   16.77  -89.78    1.63
   15.00  -75.07   31.77  -85.51   31.78
   16.00  -74.82   46.77  -81.21   42.17
   17.00  -73.12   61.77  -76.01   44.48
   18.00  -72.81   76.77  -71.81   54.04
   19.00  -73.49   91.77  -68.76   65.31
   20.00  -72.77  106.77  -64.97   72.77
   21.00  -70.52  121.77  -60.14   78.65
   22.00  -69.28  136.77  -56.79   86.82
   23.00  -68.21  151.77  -54.19   95.64
</PRE>


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