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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>
29 Jul 1997 12:22:52 yearsecs  18102172
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.95  250.04  -51.30  162.99
    1.00  -63.25  265.04  -54.79  173.34
    2.00  -64.11  280.04  -58.20  183.91
    3.00  -67.40  295.04  -64.16  191.12
    4.00  -67.27  310.04  -67.53  202.86
    5.00  -68.26  325.04  -72.11  213.82
    6.00  -68.65  340.04  -76.23  228.73
    7.00  -69.22  355.04  -80.25  249.47
    8.00  -69.33   10.04  -82.74  286.45
    9.00  -69.27   25.04  -82.04  333.41
   10.00  -68.75   40.04  -78.20    3.62
   11.00  -68.29   55.04  -73.60   22.00
   12.00  -68.11   70.04  -69.29   36.34
   13.00  -68.20   85.04  -65.52   49.19
   14.00  -68.56  100.04  -62.37   61.26
   15.00  -69.18  115.04  -59.97   72.62
   16.00  -69.80  130.04  -58.18   83.04
   17.00  -69.86  145.04  -56.47   92.48
   18.00  -69.95  160.04  -55.32  101.87
   19.00  -69.26  175.04  -53.86  111.00
   20.00  -68.47  190.04  -52.79  120.35
   21.00  -67.73  205.04  -52.36  129.93
   22.00  -65.85  220.04  -51.49  140.13
   23.00  -63.64  235.04  -50.92  151.26
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.95  250.04  -55.85  159.90
    1.00  -68.25  265.04  -59.23  169.03
    2.00  -69.11  280.04  -62.57  178.21
    3.00  -75.70  295.04  -70.66  175.27
    4.00  -77.95  310.04  -74.89  174.97
    5.00  -78.11  325.04  -77.96  178.98
    6.00  -77.58  340.04  -81.08  185.21
    7.00  -76.43  355.04  -84.51  197.17
    8.00  -76.60   10.04  -88.19  182.71
    9.00  -76.68   25.04  -87.46   60.94
   10.00  -76.46   40.04  -83.58   52.34
   11.00  -76.58   55.04  -79.72   57.83
   12.00  -76.94   70.04  -76.18   65.30
   13.00  -76.76   85.04  -72.69   70.88
   14.00  -76.57  100.04  -69.51   77.13
   15.00  -76.39  115.04  -66.74   83.78
   16.00  -76.21  130.04  -64.43   90.72
   17.00  -76.01  145.04  -62.59   97.92
   18.00  -77.26  160.04  -62.66  106.46
   19.00  -77.54  175.04  -62.23  113.89
   20.00  -76.55  190.04  -60.95  121.06
   21.00  -74.33  205.04  -58.89  129.05
   22.00  -70.85  220.04  -56.25  138.59
   23.00  -68.64  235.04  -55.54  148.92
</PRE>


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