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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>
22 Aug 1997 20:57:48 yearsecs  20206668
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.33  115.09  -51.81   63.97
    1.00  -62.05  130.09  -50.20   76.34
    2.00  -62.77  145.09  -49.21   87.86
    3.00  -63.49  160.09  -48.77   98.92
    4.00  -62.94  175.09  -47.49  109.38
    5.00  -64.19  190.09  -48.52  120.04
    6.00  -65.09  205.09  -49.78  130.23
    7.00  -65.56  220.09  -51.22  140.24
    8.00  -66.31  235.09  -53.40  150.10
    9.00  -66.00  250.09  -55.01  160.57
   10.00  -65.32  265.09  -56.66  171.71
   11.00  -64.88  280.09  -58.90  183.15
   12.00  -64.71  295.09  -61.82  194.81
   13.00  -64.79  310.09  -65.39  206.92
   14.00  -65.12  325.09  -69.45  220.24
   15.00  -65.67  340.09  -73.67  236.20
   16.00  -66.46  355.09  -77.70  257.60
   17.00  -67.45   10.09  -80.74  289.77
   18.00  -67.05   25.09  -79.55  329.73
   19.00  -66.23   40.09  -75.43  357.41
   20.00  -65.01   55.09  -69.97   14.66
   21.00  -64.05   70.09  -64.81   28.34
   22.00  -62.79   85.09  -59.65   40.11
   23.00  -61.75  100.09  -55.16   51.85
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.32  115.09  -60.09   72.83
    1.00  -70.41  130.09  -58.79   83.70
    2.00  -71.55  145.09  -58.17   93.84
    3.00  -72.59  160.09  -57.98  103.36
    4.00  -75.14  175.09  -59.80  112.95
    5.00  -76.37  190.09  -60.77  121.07
    6.00  -76.14  205.09  -60.72  128.75
    7.00  -75.55  220.09  -60.80  136.73
    8.00  -76.35  235.09  -62.70  143.96
    9.00  -76.22  250.09  -64.11  151.71
   10.00  -76.05  265.09  -65.90  159.55
   11.00  -75.74  280.09  -67.98  167.69
   12.00  -75.30  295.09  -70.40  176.27
   13.00  -75.09  310.09  -73.36  184.61
   14.00  -74.98  325.09  -76.71  193.09
   15.00  -74.36  340.09  -80.08  205.39
   16.00  -74.07  355.09  -83.82  221.22
   17.00  -72.45   10.09  -85.98  275.24
   18.00  -72.05   25.09  -84.95  344.00
   19.00  -72.21   40.09  -81.41   18.35
   20.00  -71.91   55.09  -76.94   34.02
   21.00  -70.15   70.09  -71.27   41.46
   22.00  -69.85   85.09  -67.11   52.59
   23.00  -68.93  100.09  -62.73   61.90
</PRE>


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