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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>
06 Jun 1997 12:59:52 yearsecs  13525192
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.62  240.98  -51.63  155.50
    1.00  -63.66  255.98  -53.74  166.33
    2.00  -64.65  270.98  -57.05  176.60
    3.00  -65.61  285.98  -60.69  186.75
    4.00  -65.51  300.98  -63.85  198.38
    5.00  -66.74  315.98  -68.55  208.79
    6.00  -67.06  330.98  -72.63  222.47
    7.00  -66.95  345.98  -76.21  241.35
    8.00  -67.68    0.98  -79.94  266.59
    9.00  -67.12   15.98  -80.47  306.17
   10.00  -66.58   30.98  -77.97  341.96
   11.00  -66.25   45.98  -73.90    5.98
   12.00  -66.14   60.98  -69.65   23.27
   13.00  -66.25   75.98  -65.78   37.77
   14.00  -66.58   90.98  -62.43   51.06
   15.00  -67.11  105.98  -59.66   63.50
   16.00  -67.86  120.98  -57.61   75.07
   17.00  -68.69  135.98  -56.29   85.80
   18.00  -68.23  150.98  -54.28   95.14
   19.00  -67.07  165.98  -52.06  104.39
   20.00  -66.36  180.98  -50.77  114.17
   21.00  -65.63  195.98  -50.02  124.10
   22.00  -64.81  210.98  -49.84  134.24
   23.00  -64.02  225.98  -50.30  144.74
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.57  240.98  -60.71  149.36
    1.00  -75.04  255.98  -63.81  156.18
    2.00  -76.38  270.98  -67.03  161.96
    3.00  -78.96  285.98  -71.21  162.98
    4.00  -81.24  300.98  -74.67  160.12
    5.00  -82.43  315.98  -77.06  156.80
    6.00  -81.36  330.98  -79.30  161.71
    7.00  -80.54  345.98  -81.88  162.86
    8.00  -80.80    0.98  -83.78  148.74
    9.00  -80.29   15.98  -85.17  124.58
   10.00  -80.17   30.98  -84.20   95.96
   11.00  -79.72   45.98  -81.93   79.96
   12.00  -79.34   60.98  -78.93   75.37
   13.00  -78.88   75.98  -75.71   75.62
   14.00  -78.68   90.98  -72.67   79.42
   15.00  -78.05  105.98  -69.57   83.31
   16.00  -77.77  120.98  -67.05   89.06
   17.00  -76.56  135.98  -64.05   94.09
   18.00  -76.42  150.98  -62.47  101.30
   19.00  -76.31  165.98  -61.37  108.76
   20.00  -76.00  180.98  -60.50  116.32
   21.00  -74.57  195.98  -58.95  124.09
   22.00  -73.84  210.98  -58.63  132.42
   23.00  -73.34  225.98  -59.08  141.02
</PRE>


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