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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>
30 Dec 1997 18:14:12 yearsecs  31428852
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.35  160.61  -42.43   97.02
    1.00  -57.61  175.61  -42.07  108.59
    2.00  -57.86  190.61  -42.22  119.97
    3.00  -58.09  205.61  -42.98  131.20
    4.00  -58.31  220.61  -44.32  142.42
    5.00  -58.93  235.61  -46.52  153.56
    6.00  -60.73  250.61  -50.24  164.10
    7.00  -62.19  265.61  -53.92  174.58
    8.00  -61.63  280.61  -56.08  186.71
    9.00  -60.67  295.61  -58.25  199.86
   10.00  -60.07  310.61  -61.17  213.61
   11.00  -60.21  325.61  -65.03  228.18
   12.00  -60.52  340.61  -68.91  245.50
   13.00  -61.01  355.61  -72.35  267.57
   14.00  -61.68   10.61  -74.45  296.10
   15.00  -62.54   25.61  -74.23  327.22
   16.00  -63.60   40.61  -72.19  353.77
   17.00  -64.85   55.61  -69.64   14.95
   18.00  -65.17   70.61  -65.98   30.84
   19.00  -63.89   85.61  -60.78   42.23
   20.00  -62.32  100.61  -55.70   53.01
   21.00  -61.22  115.61  -51.59   64.30
   22.00  -59.46  130.61  -47.38   74.87
   23.00  -58.32  145.61  -44.52   85.86
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.88  160.61  -54.21  101.70
    1.00  -69.82  175.61  -54.40  111.52
    2.00  -70.70  190.61  -55.03  120.88
    3.00  -71.12  205.61  -55.72  129.87
    4.00  -71.85  220.61  -57.26  138.57
    5.00  -73.20  235.61  -59.81  146.58
    6.00  -73.45  250.61  -61.73  154.94
    7.00  -72.22  265.61  -62.76  165.08
    8.00  -72.10  280.61  -65.19  174.33
    9.00  -72.38  295.61  -68.36  182.99
   10.00  -71.66  310.61  -71.16  194.26
   11.00  -71.36  325.61  -74.61  206.17
   12.00  -71.27  340.61  -78.37  220.46
   13.00  -71.21  355.61  -82.05  241.89
   14.00  -71.36   10.61  -84.93  282.79
   15.00  -71.29   25.61  -84.08  341.72
   16.00  -71.80   40.61  -80.93   16.90
   17.00  -72.15   55.61  -76.99   35.51
   18.00  -71.80   70.61  -72.59   46.62
   19.00  -70.81   85.61  -67.88   55.09
   20.00  -70.51  100.61  -64.14   64.93
   21.00  -69.72  115.61  -60.40   73.70
   22.00  -69.91  130.61  -58.22   83.53
   23.00  -68.84  145.61  -55.39   92.10
</PRE>


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