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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>
04 Aug 1997 19:33:52 yearsecs  18646432
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.95  135.83  -53.51   83.46
    1.00  -65.51  150.83  -51.52   93.45
    2.00  -66.75  165.83  -51.75  104.17
    3.00  -67.98  180.83  -52.40  114.38
    4.00  -68.01  195.83  -52.37  124.02
    5.00  -69.07  210.83  -53.95  133.40
    6.00  -69.43  225.83  -55.36  142.69
    7.00  -69.69  240.83  -57.15  152.02
    8.00  -70.76  255.83  -60.04  160.64
    9.00  -71.11  270.83  -62.66  169.65
   10.00  -71.31  285.83  -65.53  178.81
   11.00  -70.22  300.83  -67.80  190.59
   12.00  -69.66  315.83  -70.90  202.75
   13.00  -69.44  330.83  -74.52  216.40
   14.00  -69.52  345.83  -78.36  233.51
   15.00  -69.87    0.83  -82.01  259.23
   16.00  -70.44   15.83  -84.15  304.79
   17.00  -70.97   30.83  -82.70  354.35
   18.00  -70.48   45.83  -78.32   18.05
   19.00  -69.55   60.83  -73.24   31.51
   20.00  -68.28   75.83  -67.94   41.79
   21.00  -67.72   90.83  -63.64   52.89
   22.00  -67.06  105.83  -59.63   63.31
   23.00  -66.49  120.83  -56.24   73.51
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.85  135.83  -60.47   89.67
    1.00  -73.84  150.83  -59.93   98.99
    2.00  -74.75  165.83  -59.81  107.80
    3.00  -78.67  180.83  -63.24  117.06
    4.00  -80.63  195.83  -65.15  123.92
    5.00  -80.96  210.83  -65.77  129.93
    6.00  -80.42  225.83  -65.89  136.35
    7.00  -79.92  240.83  -66.50  143.04
    8.00  -80.28  255.83  -68.22  148.53
    9.00  -80.08  270.83  -69.81  154.60
   10.00  -80.24  285.83  -71.97  159.38
   11.00  -79.95  300.83  -74.13  164.84
   12.00  -80.26  315.83  -76.76  166.96
   13.00  -79.93  330.83  -79.37  169.94
   14.00  -79.83  345.83  -82.09  168.10
   15.00  -79.50    0.83  -84.74  158.78
   16.00  -79.58   15.83  -85.92  125.15
   17.00  -79.25   30.83  -84.90   88.54
   18.00  -79.55   45.83  -82.01   78.72
   19.00  -79.07   60.83  -78.93   73.79
   20.00  -78.29   75.83  -75.50   73.10
   21.00  -76.57   90.83  -71.34   72.89
   22.00  -74.78  105.83  -66.94   76.02
   23.00  -73.45  120.83  -63.13   81.95
</PRE>


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