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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>
14 Feb 1997 23:48:18 yearsecs   3887298
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.07   80.58  -62.20   38.05
    1.00  -63.86   95.58  -58.47   50.75
    2.00  -64.73  110.58  -56.26   63.98
    3.00  -65.59  125.58  -54.55   75.99
    4.00  -65.37  140.58  -52.36   86.31
    5.00  -66.46  155.58  -52.11   97.18
    6.00  -66.68  170.58  -51.44  107.32
    7.00  -66.54  185.58  -50.87  117.25
    8.00  -67.22  200.58  -51.70  127.10
    9.00  -66.77  215.58  -52.02  136.94
   10.00  -66.34  230.58  -52.94  147.04
   11.00  -66.15  245.58  -54.53  157.35
   12.00  -66.18  260.58  -56.71  167.79
   13.00  -66.44  275.58  -59.45  178.21
   14.00  -66.92  290.58  -62.79  188.51
   15.00  -67.63  305.58  -66.76  198.71
   16.00  -68.56  320.58  -71.22  209.14
   17.00  -69.60  335.58  -75.85  220.82
   18.00  -69.47  350.58  -79.46  240.79
   19.00  -68.87    5.58  -81.80  274.68
   20.00  -67.72   20.58  -80.86  318.90
   21.00  -66.67   35.58  -77.05  350.83
   22.00  -65.63   50.58  -71.93   10.59
   23.00  -64.66   65.58  -66.71   25.04
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.21   80.58  -71.17   57.69
    1.00  -74.25   95.58  -68.56   69.31
    2.00  -75.21  110.58  -66.45   79.34
    3.00  -77.74  125.58  -66.40   91.03
    4.00  -79.94  140.58  -66.76  100.83
    5.00  -80.54  155.58  -66.19  107.53
    6.00  -80.05  170.58  -64.95  113.22
    7.00  -79.61  185.58  -64.12  119.46
    8.00  -80.14  200.58  -64.70  125.94
    9.00  -79.97  215.58  -64.95  132.37
   10.00  -80.06  230.58  -65.85  138.63
   11.00  -79.79  245.58  -66.79  145.18
   12.00  -79.63  260.58  -68.22  151.56
   13.00  -79.37  275.58  -69.94  158.00
   14.00  -79.36  290.58  -72.18  163.52
   15.00  -78.99  305.58  -74.53  169.66
   16.00  -78.99  320.58  -77.31  173.67
   17.00  -78.17  335.58  -80.19  180.78
   18.00  -78.18  350.58  -83.39  179.96
   19.00  -78.22    5.58  -86.36  164.11
   20.00  -77.42   20.58  -87.91   93.80
   21.00  -75.66   35.58  -84.63   42.16
   22.00  -74.45   50.58  -79.96   42.60
   23.00  -73.47   65.58  -75.24   48.60
</PRE>


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