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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>
27 Jul 1997 02:26:36 yearsecs  17893596
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.33   35.45  -68.12  341.82
    1.00  -60.60   50.45  -65.73    2.56
    2.00  -61.63   65.45  -63.05   19.97
    3.00  -67.11   80.45  -65.55   43.30
    4.00  -66.80   95.45  -61.63   55.00
    5.00  -67.58  110.45  -59.22   67.37
    6.00  -67.60  125.45  -56.63   77.83
    7.00  -67.47  140.45  -54.53   87.74
    8.00  -68.02  155.45  -53.70   97.92
    9.00  -68.25  170.45  -53.02  107.75
   10.00  -67.95  185.45  -52.30  117.36
   11.00  -67.78  200.45  -52.25  126.99
   12.00  -67.83  215.45  -53.03  136.61
   13.00  -68.10  230.45  -54.56  146.21
   14.00  -68.59  245.45  -56.72  155.72
   15.00  -69.31  260.45  -59.45  164.97
   16.00  -70.06  275.45  -62.55  173.94
   17.00  -69.69  290.45  -65.12  184.42
   18.00  -70.42  305.45  -69.01  193.43
   19.00  -70.10  320.45  -72.39  205.42
   20.00  -68.82  335.45  -75.21  222.94
   21.00  -66.21  350.45  -76.53  250.08
   22.00  -63.02    5.45  -75.66  284.11
   23.00  -60.73   20.45  -72.81  316.62
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.33   35.45  -74.36  346.73
    1.00  -65.60   50.45  -71.93   10.37
    2.00  -66.63   65.45  -68.97   28.77
    3.00  -72.97   80.45  -71.02   56.94
    4.00  -75.21   95.45  -69.36   71.53
    5.00  -76.40  110.45  -67.50   81.62
    6.00  -75.62  125.45  -64.49   87.59
    7.00  -74.73  140.45  -61.80   94.21
    8.00  -75.21  155.45  -60.93  102.57
    9.00  -75.12  170.45  -59.96  110.46
   10.00  -75.27  185.45  -59.68  118.50
   11.00  -75.17  200.45  -59.62  126.47
   12.00  -75.46  215.45  -60.46  134.33
   13.00  -75.24  230.45  -61.25  142.37
   14.00  -75.19  245.45  -62.67  150.39
   15.00  -74.93  260.45  -64.31  158.72
   16.00  -75.06  275.45  -66.69  166.53
   17.00  -74.69  290.45  -69.06  175.23
   18.00  -75.42  305.45  -72.57  181.26
   19.00  -75.14  320.45  -75.72  189.92
   20.00  -73.82  335.45  -78.64  204.71
   21.00  -71.21  350.45  -80.81  233.27
   22.00  -68.02    5.45  -80.91  276.48
   23.00  -65.73   20.45  -78.62  317.52
</PRE>


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