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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>
09 Apr 1997 12:55:47 yearsecs   8513747
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.85  240.23  -51.74  154.85
    1.00  -64.98  255.23  -54.82  164.89
    2.00  -65.75  270.23  -57.89  175.05
    3.00  -67.75  285.23  -62.41  183.56
    4.00  -67.32  300.23  -65.25  195.12
    5.00  -67.92  315.23  -69.36  205.91
    6.00  -67.78  330.23  -73.04  220.05
    7.00  -68.19  345.23  -77.11  236.92
    8.00  -68.91    0.23  -81.00  261.32
    9.00  -69.19   15.23  -82.78  303.24
   10.00  -68.96   30.23  -80.76  345.58
   11.00  -68.77   45.23  -76.83   11.38
   12.00  -68.81   60.23  -72.68   28.83
   13.00  -69.07   75.23  -68.87   43.05
   14.00  -69.55   90.23  -65.58   55.81
   15.00  -70.26  105.23  -62.92   67.60
   16.00  -70.96  120.23  -60.83   78.24
   17.00  -71.20  135.23  -58.91   87.64
   18.00  -71.31  150.23  -57.45   96.72
   19.00  -70.69  165.23  -55.75  105.43
   20.00  -69.86  180.23  -54.30  114.39
   21.00  -69.05  195.23  -53.40  123.65
   22.00  -67.35  210.23  -52.24  133.33
   23.00  -65.34  225.23  -51.47  143.79
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.85  240.23  -56.32  152.15
    1.00  -69.98  255.23  -59.27  160.97
    2.00  -70.75  270.23  -62.24  169.73
    3.00  -76.61  285.23  -69.50  168.38
    4.00  -78.70  300.23  -73.43  168.93
    5.00  -79.04  315.23  -76.31  172.20
    6.00  -78.17  330.23  -79.06  179.86
    7.00  -77.29  345.23  -82.23  188.03
    8.00  -77.55    0.23  -85.63  181.55
    9.00  -77.62   15.23  -88.02  130.58
   10.00  -77.52   30.23  -85.95   68.72
   11.00  -77.61   45.23  -82.37   63.28
   12.00  -77.95   60.23  -78.85   67.30
   13.00  -77.79   75.23  -75.41   70.83
   14.00  -77.67   90.23  -72.20   75.95
   15.00  -77.51  105.23  -69.29   81.71
   16.00  -77.42  120.23  -66.85   88.08
   17.00  -77.24  135.23  -64.78   94.65
   18.00  -78.30  150.23  -64.38  102.83
   19.00  -78.44  165.23  -63.56  109.78
   20.00  -77.49  180.23  -62.04  116.39
   21.00  -75.42  195.23  -59.81  123.69
   22.00  -72.35  210.23  -57.13  132.36
   23.00  -70.34  225.23  -56.17  141.95
</PRE>


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