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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>
22 Sep 1997 23:06:58 yearsecs  22892818
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.90   82.89  -62.57   41.47
    1.00  -65.14   97.89  -59.34   54.46
    2.00  -66.16  112.89  -57.31   67.40
    3.00  -67.19  127.89  -55.85   79.10
    4.00  -67.05  142.89  -53.83   89.05
    5.00  -68.01  157.89  -53.51   99.51
    6.00  -68.31  172.89  -52.99  109.35
    7.00  -69.14  187.89  -53.47  119.06
    8.00  -70.79  202.89  -55.31  128.28
    9.00  -72.05  217.89  -57.26  136.91
   10.00  -71.88  232.89  -58.32  145.82
   11.00  -70.77  247.89  -58.99  155.69
   12.00  -70.08  262.89  -60.49  165.79
   13.00  -69.77  277.89  -62.74  175.92
   14.00  -69.80  292.89  -65.72  185.90
   15.00  -70.15  307.89  -69.37  195.71
   16.00  -70.56  322.89  -73.35  206.23
   17.00  -70.46  337.89  -77.09  220.51
   18.00  -70.43  352.89  -80.79  240.80
   19.00  -69.58    7.89  -82.80  279.29
   20.00  -68.55   22.89  -81.54  326.15
   21.00  -67.55   37.89  -77.47  356.81
   22.00  -66.86   52.89  -72.68   16.01
   23.00  -66.02   67.89  -67.65   29.89
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.59   82.89  -68.35   52.61
    1.00  -71.84   97.89  -65.96   65.57
    2.00  -72.71  112.89  -63.77   76.30
    3.00  -78.29  127.89  -66.60   92.97
    4.00  -80.23  142.89  -66.82  102.16
    5.00  -80.69  157.89  -66.19  108.59
    6.00  -80.08  172.89  -64.89  114.21
    7.00  -79.16  187.89  -63.63  120.39
    8.00  -79.30  202.89  -63.88  127.09
    9.00  -79.33  217.89  -64.41  133.73
   10.00  -79.14  232.89  -65.14  140.48
   11.00  -79.12  247.89  -66.43  147.06
   12.00  -79.29  262.89  -68.23  153.11
   13.00  -79.03  277.89  -70.04  159.68
   14.00  -78.78  292.89  -72.22  166.05
   15.00  -78.53  307.89  -74.74  172.10
   16.00  -78.28  322.89  -77.58  177.58
   17.00  -78.03  337.89  -80.67  181.96
   18.00  -79.07  352.89  -83.63  170.72
   19.00  -79.30    7.89  -85.79  147.45
   20.00  -78.45   22.89  -86.68   97.83
   21.00  -76.55   37.89  -84.16   52.95
   22.00  -73.63   52.89  -78.82   39.88
   23.00  -71.87   67.89  -73.38   44.75
</PRE>


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