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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 Jun 1997 20:22:27 yearsecs  13292547
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.44  120.47  -53.12   70.22
    1.00  -63.65  135.47  -51.17   81.49
    2.00  -64.71  150.47  -50.73   92.76
    3.00  -65.76  165.47  -50.76  103.55
    4.00  -65.65  180.47  -50.07  113.69
    5.00  -66.81  195.47  -51.17  123.77
    6.00  -67.11  210.47  -52.02  133.53
    7.00  -67.10  225.47  -53.15  143.35
    8.00  -67.91  240.47  -55.49  152.86
    9.00  -67.79  255.47  -57.36  162.97
   10.00  -67.26  270.47  -59.27  173.75
   11.00  -66.80  285.47  -61.64  184.94
   12.00  -66.62  300.47  -64.70  196.37
   13.00  -66.70  315.47  -68.39  208.42
   14.00  -67.02  330.47  -72.46  222.03
   15.00  -67.57  345.47  -76.64  238.99
   16.00  -68.35    0.47  -80.51  263.59
   17.00  -69.20   15.47  -82.79  304.01
   18.00  -68.81   30.47  -80.54  345.69
   19.00  -67.79   45.47  -75.73    8.92
   20.00  -66.91   60.47  -70.63   24.40
   21.00  -66.06   75.47  -65.70   36.95
   22.00  -64.97   90.47  -60.84   48.08
   23.00  -63.73  105.47  -56.23   58.75
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.44  120.47  -58.28   75.37
    1.00  -69.83  135.47  -57.51   86.49
    2.00  -71.10  150.47  -57.22   96.72
    3.00  -74.78  165.47  -59.86  107.62
    4.00  -77.51  180.47  -62.06  116.51
    5.00  -78.18  195.47  -62.63  123.79
    6.00  -77.54  210.47  -62.30  131.07
    7.00  -76.97  225.47  -62.54  138.69
    8.00  -77.66  240.47  -64.40  145.41
    9.00  -77.36  255.47  -65.74  152.91
   10.00  -77.59  270.47  -67.91  159.52
   11.00  -77.23  285.47  -69.98  167.08
   12.00  -77.07  300.47  -72.57  174.10
   13.00  -76.69  315.47  -75.40  181.75
   14.00  -76.61  330.47  -78.68  188.21
   15.00  -76.09  345.47  -82.08  197.36
   16.00  -76.06    0.47  -85.86  202.93
   17.00  -75.07   15.47  -89.20  291.91
   18.00  -75.04   30.47  -85.85   29.77
   19.00  -74.66   45.47  -81.49   40.11
   20.00  -73.77   60.47  -76.83   46.26
   21.00  -71.60   75.47  -71.14   49.67
   22.00  -69.97   90.47  -65.93   56.82
   23.00  -68.73  105.47  -61.38   65.42
</PRE>


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