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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>
03 Sep 1997 21:56:00 yearsecs  21246960
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.98  100.73  -49.46   47.11
    1.00  -57.31  115.73  -47.27   60.88
    2.00  -57.63  130.73  -45.41   73.73
    3.00  -57.94  145.73  -44.11   85.77
    4.00  -58.24  160.73  -43.34   97.41
    5.00  -58.96  175.73  -43.44  108.96
    6.00  -60.86  190.73  -45.21  120.25
    7.00  -62.42  205.73  -47.22  130.91
    8.00  -62.01  220.73  -47.90  141.62
    9.00  -61.24  235.73  -48.74  152.75
   10.00  -60.74  250.73  -50.27  164.19
   11.00  -60.68  265.73  -52.56  175.76
   12.00  -60.83  280.73  -55.37  187.51
   13.00  -61.18  295.73  -58.75  199.42
   14.00  -61.74  310.73  -62.78  211.69
   15.00  -62.51  325.73  -67.25  225.14
   16.00  -63.50  340.73  -71.82  241.19
   17.00  -64.38  355.73  -75.79  262.95
   18.00  -64.03   10.73  -77.05  294.81
   19.00  -62.95   25.73  -74.69  327.66
   20.00  -61.98   40.73  -70.16  351.87
   21.00  -60.82   55.73  -64.58    8.77
   22.00  -59.02   70.73  -58.30   21.59
   23.00  -57.91   85.73  -53.49   34.31
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.72  100.73  -59.33   57.56
    1.00  -66.74  115.73  -57.38   70.14
    2.00  -67.70  130.73  -55.96   81.48
    3.00  -68.12  145.73  -54.64   91.66
    4.00  -68.90  160.73  -54.22  101.78
    5.00  -70.40  175.73  -54.99  111.76
    6.00  -70.63  190.73  -54.95  120.95
    7.00  -69.11  205.73  -53.75  130.21
    8.00  -68.88  220.73  -54.43  139.68
    9.00  -69.13  235.73  -56.07  149.11
   10.00  -68.22  250.73  -57.08  159.46
   11.00  -68.02  265.73  -59.15  169.73
   12.00  -68.01  280.73  -61.76  180.08
   13.00  -68.02  295.73  -64.84  190.71
   14.00  -68.27  310.73  -68.53  201.60
   15.00  -68.25  325.73  -72.28  214.51
   16.00  -68.92  340.73  -76.61  228.80
   17.00  -69.38  355.73  -80.54  250.22
   18.00  -69.03   10.73  -82.48  289.18
   19.00  -67.95   25.73  -80.47  332.62
   20.00  -67.66   40.73  -76.86    1.68
   21.00  -66.80   55.73  -71.83   19.10
   22.00  -67.05   70.73  -68.01   34.65
   23.00  -65.74   85.73  -62.80   45.32
</PRE>


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