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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>
30 Oct 1997 12:04:56 yearsecs  26136296
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.10  243.51  -45.75  160.38
    1.00  -57.44  258.51  -48.33  172.06
    2.00  -57.76  273.51  -51.20  184.03
    3.00  -58.07  288.51  -54.34  196.32
    4.00  -58.37  303.51  -57.85  209.03
    5.00  -59.05  318.51  -62.14  222.30
    6.00  -60.84  333.51  -67.57  236.20
    7.00  -62.07  348.51  -72.13  254.57
    8.00  -62.65    3.51  -75.10  280.48
    9.00  -61.97   18.51  -74.47  312.70
   10.00  -61.57   33.51  -71.44  340.56
   11.00  -61.39   48.51  -67.30    1.26
   12.00  -61.43   63.51  -63.30   17.74
   13.00  -61.69   78.51  -59.89   32.54
   14.00  -62.17   93.51  -57.04   46.69
   15.00  -62.87  108.51  -54.70   60.23
   16.00  -63.80  123.51  -53.00   72.85
   17.00  -64.94  138.51  -52.15   84.57
   18.00  -65.18  153.51  -50.96   95.11
   19.00  -63.81  168.51  -48.63  104.98
   20.00  -62.12  183.51  -46.48  115.21
   21.00  -60.93  198.51  -45.45  125.85
   22.00  -59.10  213.51  -44.49  136.95
   23.00  -58.01  228.51  -44.80  148.48
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.22  243.51  -60.67  151.09
    1.00  -74.12  258.51  -63.35  158.67
    2.00  -74.98  273.51  -66.30  165.64
    3.00  -75.48  288.51  -69.28  172.49
    4.00  -76.25  303.51  -72.69  177.87
    5.00  -77.52  318.51  -76.41  179.64
    6.00  -78.04  333.51  -79.73  181.24
    7.00  -77.10  348.51  -82.98  189.90
    8.00  -76.90    3.51  -86.56  188.31
    9.00  -77.06   18.51  -88.50  101.43
   10.00  -76.52   33.51  -85.31   52.43
   11.00  -76.14   48.51  -81.27   52.41
   12.00  -75.88   63.51  -77.26   57.67
   13.00  -75.66   78.51  -73.46   64.17
   14.00  -75.62   93.51  -70.08   71.57
   15.00  -75.41  108.51  -66.99   78.68
   16.00  -75.68  123.51  -64.82   86.71
   17.00  -75.83  138.51  -63.08   94.44
   18.00  -75.41  153.51  -61.28  101.71
   19.00  -74.58  168.51  -59.50  109.16
   20.00  -74.31  183.51  -58.73  117.27
   21.00  -73.65  198.51  -58.05  125.52
   22.00  -73.79  213.51  -58.71  133.84
   23.00  -73.04  228.51  -59.01  142.61
</PRE>


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