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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>
18 Jun 1997 12:15:13 yearsecs  14559313
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.03  250.96  -52.43  163.05
    1.00  -64.13  265.96  -55.73  173.34
    2.00  -64.93  280.96  -59.11  183.75
    3.00  -67.46  295.96  -64.41  191.71
    4.00  -67.09  310.96  -67.61  203.92
    5.00  -67.77  325.96  -71.94  215.81
    6.00  -67.68  340.96  -75.64  232.58
    7.00  -67.92  355.96  -79.26  255.46
    8.00  -68.66   10.96  -82.09  290.48
    9.00  -68.80   25.96  -81.37  334.81
   10.00  -68.53   40.96  -77.73    4.41
   11.00  -68.34   55.96  -73.40   23.14
   12.00  -68.38   70.96  -69.32   37.78
   13.00  -68.63   85.96  -65.72   50.78
   14.00  -69.12  100.96  -62.72   62.83
   15.00  -69.83  115.96  -60.44   74.06
   16.00  -70.59  130.96  -58.85   84.43
   17.00  -70.99  145.96  -57.52   93.92
   18.00  -71.02  160.96  -56.34  103.00
   19.00  -70.42  175.96  -55.00  111.90
   20.00  -69.54  190.96  -53.86  121.01
   21.00  -68.69  205.96  -53.34  130.41
   22.00  -66.46  220.96  -52.15  140.57
   23.00  -64.42  235.96  -51.76  151.56
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.03  250.96  -56.95  159.75
    1.00  -69.13  265.96  -60.15  168.77
    2.00  -69.93  280.96  -63.45  177.72
    3.00  -75.68  295.96  -70.83  175.77
    4.00  -77.91  310.96  -75.05  175.44
    5.00  -77.84  325.96  -78.08  180.52
    6.00  -77.44  340.96  -81.27  186.30
    7.00  -76.61  355.96  -84.75  195.18
    8.00  -77.01   10.96  -88.13  167.28
    9.00  -77.05   25.96  -87.11   67.27
   10.00  -77.09   40.96  -83.40   58.68
   11.00  -77.13   55.96  -79.65   61.45
   12.00  -77.45   70.96  -76.20   67.89
   13.00  -77.29   85.96  -72.83   73.00
   14.00  -77.22  100.96  -69.83   79.15
   15.00  -77.03  115.96  -67.15   85.43
   16.00  -77.05  130.96  -65.10   92.39
   17.00  -76.85  145.96  -63.33   99.27
   18.00  -77.73  160.96  -63.08  107.27
   19.00  -77.69  175.96  -62.36  114.40
   20.00  -76.62  190.96  -61.02  121.53
   21.00  -74.43  205.96  -59.03  129.53
   22.00  -71.46  220.96  -56.91  138.92
   23.00  -69.42  235.96  -56.36  149.09
</PRE>


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