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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>
19 Jun 1997 12:02:18 yearsecs  14644938
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.91  253.79  -47.07  168.58
    1.00  -57.29  268.79  -49.92  180.47
    2.00  -57.66  283.79  -53.02  192.67
    3.00  -58.03  298.79  -56.46  205.20
    4.00  -58.35  313.79  -60.29  218.49
    5.00  -59.13  328.79  -64.76  232.96
    6.00  -61.05  343.79  -70.13  249.09
    7.00  -62.47  358.79  -74.33  271.47
    8.00  -62.42   13.79  -75.25  302.52
    9.00  -61.78   28.79  -72.73  332.69
   10.00  -61.36   43.79  -68.55  355.28
   11.00  -61.16   58.79  -64.21   12.50
   12.00  -61.19   73.79  -60.40   27.41
   13.00  -61.45   88.79  -57.23   41.54
   14.00  -61.92  103.79  -54.60   55.21
   15.00  -62.62  118.79  -52.55   68.16
   16.00  -63.55  133.79  -51.28   80.20
   17.00  -64.70  148.79  -50.86   91.58
   18.00  -64.93  163.79  -50.01  102.08
   19.00  -63.56  178.79  -48.01  112.12
   20.00  -61.90  193.79  -46.28  122.49
   21.00  -60.70  208.79  -45.72  133.27
   22.00  -58.88  223.79  -45.17  144.66
   23.00  -57.79  238.79  -45.80  156.43
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.59  253.79  -61.38  157.64
    1.00  -73.48  268.79  -64.32  165.30
    2.00  -74.33  283.79  -67.55  172.33
    3.00  -74.81  298.79  -70.79  179.41
    4.00  -75.58  313.79  -74.46  184.95
    5.00  -76.67  328.79  -78.32  187.25
    6.00  -77.05  343.79  -81.87  189.62
    7.00  -76.12  358.79  -85.43  201.71
    8.00  -76.07   13.79  -89.31  187.29
    9.00  -76.34   28.79  -86.56   50.46
   10.00  -75.85   43.79  -82.44   48.14
   11.00  -75.50   58.79  -78.29   53.44
   12.00  -75.28   73.79  -74.35   60.37
   13.00  -75.09   88.79  -70.70   67.71
   14.00  -75.07  103.79  -67.58   75.54
   15.00  -74.87  118.79  -64.78   83.00
   16.00  -75.15  133.79  -62.96   91.20
   17.00  -75.29  148.79  -61.55   99.14
   18.00  -74.94  163.79  -60.12  106.81
   19.00  -74.12  178.79  -58.65  114.62
   20.00  -73.82  193.79  -58.18  122.89
   21.00  -73.10  208.79  -57.81  131.37
   22.00  -73.23  223.79  -58.81  139.83
   23.00  -72.42  238.79  -59.42  148.95
</PRE>


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