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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 Apr 1997 17:05:02 yearsecs   9651902
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.07  175.67  -49.62  110.30
    1.00  -64.32  190.67  -48.65  120.45
    2.00  -65.43  205.67  -50.15  130.58
    3.00  -66.54  220.67  -52.19  140.36
    4.00  -66.36  235.67  -53.52  150.47
    5.00  -67.29  250.67  -56.25  160.09
    6.00  -67.40  265.67  -58.59  170.28
    7.00  -67.24  280.67  -61.09  180.96
    8.00  -67.90  295.67  -64.73  190.84
    9.00  -67.57  310.67  -67.94  202.83
   10.00  -67.18  325.67  -71.38  216.82
   11.00  -66.97  340.67  -74.96  234.02
   12.00  -67.00  355.67  -78.34  257.38
   13.00  -67.26   10.67  -80.56  291.60
   14.00  -67.74   25.67  -80.25  332.13
   15.00  -68.45   40.67  -77.72    3.73
   16.00  -69.38   55.67  -74.52   25.78
   17.00  -70.33   70.67  -71.28   42.44
   18.00  -70.09   85.67  -67.19   53.53
   19.00  -69.56  100.67  -63.22   63.35
   20.00  -68.53  115.67  -59.21   72.23
   21.00  -67.53  130.67  -55.80   81.28
   22.00  -66.59  145.67  -53.08   90.60
   23.00  -65.78  160.67  -51.06  100.30
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.29  175.67  -54.88  111.69
    1.00  -71.33  190.67  -55.66  120.96
    2.00  -72.33  205.67  -56.92  129.73
    3.00  -76.56  220.67  -61.83  136.53
    4.00  -78.85  235.67  -65.08  142.00
    5.00  -79.18  250.67  -66.76  148.17
    6.00  -78.48  265.67  -67.94  155.76
    7.00  -77.89  280.67  -69.66  163.45
    8.00  -78.32  295.67  -72.43  168.45
    9.00  -77.97  310.67  -75.02  175.10
   10.00  -78.02  325.67  -78.07  179.59
   11.00  -77.84  340.67  -81.25  183.48
   12.00  -77.97  355.67  -84.52  179.82
   13.00  -77.72   10.67  -87.52  155.17
   14.00  -77.73   25.67  -86.81   80.16
   15.00  -77.42   40.67  -83.48   61.89
   16.00  -77.68   55.67  -79.86   64.79
   17.00  -77.35   70.67  -76.22   67.34
   18.00  -77.68   85.67  -73.12   74.19
   19.00  -77.27  100.67  -69.92   79.14
   20.00  -76.22  115.67  -66.48   83.76
   21.00  -74.23  130.67  -62.47   88.40
   22.00  -72.37  145.67  -58.93   94.86
   23.00  -70.89  160.67  -56.23  102.76
</PRE>


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