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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>
01 Nov 1997 11:36:08 yearsecs  26307368
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.25  250.74  -50.75  163.91
    1.00  -62.33  265.74  -54.08  174.56
    2.00  -63.25  280.74  -57.56  185.29
    3.00  -67.01  295.74  -63.97  192.21
    4.00  -66.74  310.74  -67.25  204.35
    5.00  -67.54  325.74  -71.69  216.12
    6.00  -67.54  340.74  -75.47  232.67
    7.00  -67.59  355.74  -78.90  255.97
    8.00  -68.28   10.74  -81.67  290.41
    9.00  -68.19   25.74  -80.73  333.04
   10.00  -67.85   40.74  -77.06    2.16
   11.00  -67.66   55.74  -72.75   21.14
   12.00  -67.69   70.74  -68.68   36.04
   13.00  -67.95   85.74  -65.10   49.28
   14.00  -68.44  100.74  -62.10   61.58
   15.00  -69.15  115.74  -59.81   73.04
   16.00  -69.99  130.74  -58.28   83.68
   17.00  -70.67  145.74  -57.22   93.53
   18.00  -70.56  160.74  -55.89  102.62
   19.00  -70.00  175.74  -54.58  111.65
   20.00  -69.05  190.74  -53.37  120.84
   21.00  -67.43  205.74  -52.10  130.42
   22.00  -64.59  220.74  -50.36  140.95
   23.00  -62.48  235.74  -49.92  152.24
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.25  250.74  -55.32  160.86
    1.00  -67.33  265.74  -58.54  170.39
    2.00  -68.25  280.74  -61.97  179.78
    3.00  -73.89  295.74  -69.52  179.89
    4.00  -76.09  310.74  -74.08  181.77
    5.00  -77.01  325.74  -77.76  184.48
    6.00  -76.38  340.74  -81.01  193.49
    7.00  -75.71  355.74  -84.58  205.50
    8.00  -76.28   10.74  -88.48  191.66
    9.00  -76.20   25.74  -87.38   48.81
   10.00  -76.46   40.74  -83.40   52.48
   11.00  -76.34   55.74  -79.45   56.64
   12.00  -76.61   70.74  -75.86   64.19
   13.00  -76.41   85.74  -72.31   70.09
   14.00  -76.41  100.74  -69.25   77.05
   15.00  -76.17  115.74  -66.43   83.70
   16.00  -76.35  130.74  -64.47   91.26
   17.00  -75.96  145.74  -62.48   98.22
   18.00  -76.51  160.74  -61.87  106.25
   19.00  -76.14  175.74  -60.79  113.67
   20.00  -74.87  190.74  -59.23  121.27
   21.00  -72.43  205.74  -57.02  129.75
   22.00  -69.59  220.74  -55.10  139.45
   23.00  -67.48  235.74  -54.55  149.96
</PRE>


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