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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>
21 Oct 1997 13:54:28 yearsecs  25365268
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.17  217.86  -51.62  138.59
    1.00  -66.02  232.86  -52.88  148.72
    2.00  -66.83  247.86  -55.45  158.49
    3.00  -67.63  262.86  -58.34  168.13
    4.00  -67.22  277.86  -60.54  178.99
    5.00  -67.85  292.86  -64.07  188.88
    6.00  -67.73  307.86  -67.39  200.32
    7.00  -67.88  322.86  -71.25  212.66
    8.00  -68.80  337.86  -75.80  225.72
    9.00  -68.90  352.86  -79.49  246.66
   10.00  -68.78    7.86  -81.97  281.21
   11.00  -68.59   22.86  -81.59  326.11
   12.00  -68.63   37.86  -78.63  359.64
   13.00  -68.89   52.86  -74.82   21.23
   14.00  -69.37   67.86  -71.13   37.49
   15.00  -70.08   82.86  -67.88   51.42
   16.00  -70.81   97.86  -65.02   63.59
   17.00  -71.11  112.86  -62.26   73.84
   18.00  -71.19  127.86  -59.88   83.18
   19.00  -70.58  142.86  -57.42   91.70
   20.00  -69.73  157.86  -55.25  100.39
   21.00  -68.90  172.86  -53.58  109.51
   22.00  -68.20  187.86  -52.52  118.94
   23.00  -67.30  202.86  -51.85  128.57
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.13  217.86  -58.31  136.51
    1.00  -74.17  232.86  -60.46  144.38
    2.00  -74.95  247.86  -62.73  151.92
    3.00  -79.56  262.86  -68.44  152.59
    4.00  -81.30  277.86  -71.52  153.95
    5.00  -81.67  292.86  -73.69  156.81
    6.00  -81.13  307.86  -75.67  161.85
    7.00  -80.43  322.86  -77.99  166.94
    8.00  -80.49  337.86  -80.56  165.85
    9.00  -80.40  352.86  -83.00  159.67
   10.00  -80.25    7.86  -84.89  141.46
   11.00  -80.20   22.86  -85.00  109.80
   12.00  -80.36   37.86  -83.08   89.87
   13.00  -80.15   52.86  -80.53   80.93
   14.00  -79.98   67.86  -77.64   79.34
   15.00  -79.76   82.86  -74.73   80.94
   16.00  -79.64   97.86  -72.04   84.73
   17.00  -79.42  112.86  -69.55   89.26
   18.00  -80.21  127.86  -68.29   96.45
   19.00  -80.30  142.86  -66.89  102.25
   20.00  -79.56  157.86  -65.09  107.45
   21.00  -77.93  172.86  -62.71  113.03
   22.00  -75.60  187.86  -60.00  119.82
   23.00  -74.12  202.86  -58.63  127.89
</PRE>


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