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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>
18 Aug 1997 20:08:10 yearsecs  19858090
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.36  127.34  -47.73   72.20
    1.00  -59.98  142.34  -46.57   84.24
    2.00  -60.60  157.34  -45.99   95.75
    3.00  -61.22  172.34  -45.85  106.98
    4.00  -60.44  187.34  -44.77  117.76
    5.00  -61.40  202.34  -46.06  128.58
    6.00  -62.60  217.34  -48.18  139.06
    7.00  -63.26  232.34  -50.25  149.50
    8.00  -63.74  247.34  -52.57  160.01
    9.00  -63.14  262.34  -54.25  171.41
   10.00  -62.75  277.34  -56.49  183.13
   11.00  -62.59  292.34  -59.31  195.12
   12.00  -62.65  307.34  -62.78  207.54
   13.00  -62.92  322.34  -66.78  221.05
   14.00  -63.43  337.34  -70.96  236.94
   15.00  -64.15  352.34  -74.94  257.39
   16.00  -65.11    7.34  -78.04  285.94
   17.00  -66.28   22.34  -79.05  322.38
   18.00  -66.32   37.34  -76.23  353.16
   19.00  -65.56   52.34  -71.36   12.56
   20.00  -63.98   67.34  -65.45   25.56
   21.00  -62.83   82.34  -60.34   37.71
   22.00  -61.20   97.34  -55.11   48.80
   23.00  -60.04  112.34  -50.89   60.44
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.02  127.34  -58.79   81.57
    1.00  -70.93  142.34  -57.83   91.68
    2.00  -72.04  157.34  -57.62  101.43
    3.00  -72.90  172.34  -57.64  110.58
    4.00  -74.84  187.34  -59.22  119.44
    5.00  -76.15  202.34  -60.66  127.34
    6.00  -76.34  217.34  -61.42  134.95
    7.00  -75.84  232.34  -61.98  142.95
    8.00  -76.27  247.34  -63.85  150.26
    9.00  -76.24  262.34  -65.68  157.87
   10.00  -75.83  277.34  -67.60  166.12
   11.00  -75.34  292.34  -69.89  174.78
   12.00  -74.89  307.34  -72.64  183.75
   13.00  -74.63  322.34  -75.88  192.86
   14.00  -74.32  337.34  -79.37  203.60
   15.00  -73.66  352.34  -82.89  221.19
   16.00  -73.39    7.34  -86.38  255.53
   17.00  -72.18   22.34  -85.54  334.53
   18.00  -71.66   37.34  -81.70   11.01
   19.00  -71.56   52.34  -77.43   29.91
   20.00  -71.36   67.34  -73.09   42.70
   21.00  -70.14   82.34  -68.07   51.16
   22.00  -70.29   97.34  -64.64   62.28
   23.00  -69.37  112.34  -60.65   71.06
</PRE>


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