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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>
25 Jul 1997 14:52:32 yearsecs  17765552
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.87  217.35  -51.30  138.33
    1.00  -65.54  232.35  -52.38  148.58
    2.00  -66.44  247.35  -55.03  158.40
    3.00  -67.33  262.35  -58.00  168.05
    4.00  -66.99  277.35  -60.25  178.89
    5.00  -67.71  292.35  -63.84  188.72
    6.00  -67.65  307.35  -67.20  200.06
    7.00  -67.71  322.35  -70.98  212.56
    8.00  -68.48  337.35  -75.41  226.03
    9.00  -68.62  352.35  -79.13  246.71
   10.00  -68.33    7.35  -81.45  280.81
   11.00  -68.14   22.35  -81.15  324.12
   12.00  -68.17   37.35  -78.27  357.47
   13.00  -68.43   52.35  -74.50   19.35
   14.00  -68.91   67.35  -70.83   35.86
   15.00  -69.62   82.35  -67.58   50.02
   16.00  -70.41   97.35  -64.76   62.52
   17.00  -70.90  112.35  -62.15   73.22
   18.00  -70.88  127.35  -59.64   82.53
   19.00  -70.30  142.35  -57.19   91.16
   20.00  -69.40  157.35  -54.95   99.89
   21.00  -68.52  172.35  -53.22  109.07
   22.00  -67.75  187.35  -52.07  118.56
   23.00  -66.87  202.35  -51.42  128.27
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.70  217.35  -57.86  136.37
    1.00  -73.73  232.35  -60.00  144.39
    2.00  -74.56  247.35  -62.32  152.03
    3.00  -79.01  262.35  -67.95  153.38
    4.00  -80.87  277.35  -71.19  154.95
    5.00  -81.22  292.35  -73.41  158.22
    6.00  -80.66  307.35  -75.46  163.69
    7.00  -79.99  322.35  -77.85  169.12
    8.00  -80.20  337.35  -80.52  167.79
    9.00  -80.09  352.35  -83.09  162.49
   10.00  -80.04    7.35  -85.05  143.60
   11.00  -79.92   22.35  -85.33  109.55
   12.00  -80.05   37.35  -83.34   87.91
   13.00  -79.81   52.35  -80.67   78.83
   14.00  -79.68   67.35  -77.69   77.75
   15.00  -79.43   82.35  -74.69   79.52
   16.00  -79.40   97.35  -71.97   83.83
   17.00  -79.15  112.35  -69.42   88.44
   18.00  -79.80  127.35  -67.99   95.47
   19.00  -79.74  142.35  -66.41  101.24
   20.00  -78.90  157.35  -64.47  106.61
   21.00  -77.20  172.35  -61.99  112.43
   22.00  -75.02  187.35  -59.40  119.47
   23.00  -73.56  202.35  -58.05  127.67
</PRE>


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