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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>
10 Mar 1997 13:56:16 yearsecs   5925376
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.12  225.50  -49.40  144.69
    1.00  -64.19  240.50  -52.08  154.88
    2.00  -65.19  255.50  -55.05  164.93
    3.00  -66.69  270.50  -58.77  174.34
    4.00  -66.50  285.50  -61.38  185.33
    5.00  -67.40  300.50  -65.38  195.20
    6.00  -67.48  315.50  -69.06  207.00
    7.00  -67.35  330.50  -72.75  221.32
    8.00  -67.90  345.50  -76.93  238.12
    9.00  -67.75    0.50  -79.93  265.32
   10.00  -67.35   15.50  -80.74  304.78
   11.00  -67.16   30.50  -78.72  342.02
   12.00  -67.20   45.50  -75.08    7.47
   13.00  -67.45   60.50  -71.21   25.69
   14.00  -67.93   75.50  -67.67   40.76
   15.00  -68.64   90.50  -64.63   54.30
   16.00  -69.55  105.50  -62.19   66.68
   17.00  -70.44  120.50  -60.27   77.75
   18.00  -70.22  135.50  -57.89   86.86
   19.00  -69.69  150.50  -55.79   95.77
   20.00  -68.68  165.50  -53.72  104.73
   21.00  -67.70  180.50  -52.13  114.11
   22.00  -65.72  195.50  -50.10  123.78
   23.00  -63.94  210.50  -48.96  134.05
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.12  225.50  -54.11  142.99
    1.00  -69.19  240.50  -56.66  152.12
    2.00  -70.19  255.50  -59.50  160.95
    3.00  -75.04  270.50  -65.88  163.93
    4.00  -77.50  285.50  -70.17  166.44
    5.00  -77.79  300.50  -72.99  171.92
    6.00  -76.90  315.50  -75.51  180.96
    7.00  -76.09  330.50  -78.49  190.84
    8.00  -76.34  345.50  -82.15  195.47
    9.00  -76.42    0.50  -85.88  197.59
   10.00  -76.82   15.50  -88.88  132.51
   11.00  -76.59   30.50  -86.09   54.16
   12.00  -76.81   45.50  -82.22   56.61
   13.00  -76.58   60.50  -78.34   59.87
   14.00  -76.62   75.50  -74.74   66.24
   15.00  -76.34   90.50  -71.25   72.07
   16.00  -76.63  105.50  -68.55   79.79
   17.00  -76.35  120.50  -65.87   86.33
   18.00  -76.82  135.50  -64.35   94.21
   19.00  -76.43  150.50  -62.52  101.07
   20.00  -75.28  165.50  -60.36  107.91
   21.00  -73.01  180.50  -57.48  115.28
   22.00  -70.72  195.50  -55.07  123.83
   23.00  -68.94  210.50  -53.80  133.22
</PRE>


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