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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>
11 May 1997 19:58:18 yearsecs  11303898
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.51  127.06  -54.24   76.97
    1.00  -65.70  142.06  -52.54   87.56
    2.00  -66.65  157.06  -52.19   98.27
    3.00  -67.60  172.06  -52.30  108.59
    4.00  -67.38  187.06  -51.71  118.33
    5.00  -68.24  202.06  -52.75  127.99
    6.00  -68.42  217.06  -53.71  137.49
    7.00  -69.10  232.06  -55.65  146.78
    8.00  -70.61  247.06  -58.75  155.29
    9.00  -71.83  262.06  -61.89  163.39
   10.00  -72.37  277.06  -64.78  171.76
   11.00  -70.73  292.06  -66.31  183.78
   12.00  -70.26  307.06  -69.26  194.89
   13.00  -70.09  322.06  -72.79  206.78
   14.00  -70.21  337.06  -76.69  220.45
   15.00  -70.63  352.06  -80.75  238.49
   16.00  -71.07    7.06  -84.20  271.28
   17.00  -71.02   22.06  -84.36  328.79
   18.00  -71.01   37.06  -81.20    7.22
   19.00  -70.21   52.06  -76.32   24.54
   20.00  -69.23   67.06  -71.21   36.41
   21.00  -68.28   82.06  -66.34   46.96
   22.00  -67.54   97.06  -62.01   57.41
   23.00  -66.64  112.06  -57.96   67.37
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.80  127.06  -60.60   83.41
    1.00  -72.96  142.06  -59.88   93.31
    2.00  -73.77  157.06  -59.37  102.39
    3.00  -79.00  172.06  -63.83  113.23
    4.00  -80.82  187.06  -65.36  120.36
    5.00  -81.24  202.06  -65.85  126.36
    6.00  -80.66  217.06  -65.70  132.60
    7.00  -79.78  232.06  -65.68  139.52
    8.00  -79.90  247.06  -67.03  145.63
    9.00  -79.95  262.06  -68.65  151.54
   10.00  -79.86  277.06  -70.49  157.39
   11.00  -79.84  292.06  -72.68  162.57
   12.00  -80.09  307.06  -75.22  165.91
   13.00  -79.87  322.06  -77.78  169.68
   14.00  -79.64  337.06  -80.53  171.43
   15.00  -79.41  352.06  -83.34  168.27
   16.00  -79.18    7.06  -85.81  150.38
   17.00  -78.94   22.06  -86.32  104.58
   18.00  -79.89   37.06  -83.47   86.93
   19.00  -80.10   52.06  -80.68   80.81
   20.00  -79.31   67.06  -77.67   75.83
   21.00  -77.54   82.06  -73.80   72.33
   22.00  -74.78   97.06  -68.68   71.34
   23.00  -73.06  112.06  -64.25   76.38
</PRE>


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