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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>
28 May 1997 13:07:59 yearsecs  12748079
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.39  238.83  -49.27  154.97
    1.00  -62.65  253.83  -52.50  165.40
    2.00  -63.46  268.83  -55.61  176.02
    3.00  -68.09  283.83  -62.43  182.13
    4.00  -67.65  298.83  -65.21  193.56
    5.00  -68.22  313.83  -69.26  204.17
    6.00  -68.06  328.83  -72.91  217.96
    7.00  -68.38  343.83  -76.93  234.43
    8.00  -69.29  358.83  -81.10  256.89
    9.00  -69.64   13.83  -83.27  298.26
   10.00  -69.42   28.83  -81.53  343.63
   11.00  -69.21   43.83  -77.65   10.80
   12.00  -69.22   58.83  -73.48   28.58
   13.00  -69.46   73.83  -69.62   42.82
   14.00  -69.92   88.83  -66.27   55.52
   15.00  -70.61  103.83  -63.55   67.24
   16.00  -70.78  118.83  -60.88   77.13
   17.00  -70.63  133.83  -58.51   86.23
   18.00  -71.54  148.83  -57.81   96.06
   19.00  -70.90  163.83  -56.05  104.68
   20.00  -70.10  178.83  -54.58  113.58
   21.00  -69.07  193.83  -53.41  122.77
   22.00  -65.49  208.83  -50.36  132.69
   23.00  -63.18  223.83  -49.30  143.50
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.39  238.83  -53.91  152.60
    1.00  -67.65  253.83  -57.01  161.97
    2.00  -68.46  268.83  -60.04  171.39
    3.00  -75.21  283.83  -68.23  170.66
    4.00  -77.47  298.83  -72.50  172.21
    5.00  -77.84  313.83  -75.59  176.72
    6.00  -76.73  328.83  -78.35  186.99
    7.00  -74.75  343.83  -81.21  205.71
    8.00  -75.34  358.83  -85.30  211.92
    9.00  -75.65   13.83  -89.36  227.37
   10.00  -75.57   28.83  -86.48   36.48
   11.00  -75.82   43.83  -82.42   47.89
   12.00  -76.28   58.83  -78.64   57.57
   13.00  -76.17   73.83  -74.88   63.74
   14.00  -76.04   88.83  -71.39   70.43
   15.00  -75.91  103.83  -68.27   77.39
   16.00  -75.78  118.83  -65.60   84.53
   17.00  -75.63  133.83  -63.41   91.82
   18.00  -77.01  148.83  -63.23  100.82
   19.00  -77.40  163.83  -62.58  108.40
   20.00  -76.37  178.83  -60.93  115.33
   21.00  -74.07  193.83  -58.43  122.92
   22.00  -70.49  208.83  -55.23  131.91
   23.00  -68.18  223.83  -54.02  141.89
</PRE>


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