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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>
27 Oct 1997 14:20:28 yearsecs  25885228
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.54  210.75  -50.53  133.97
    1.00  -65.01  225.75  -51.21  144.26
    2.00  -66.01  240.75  -53.79  154.11
    3.00  -67.00  255.75  -56.71  163.77
    4.00  -66.74  270.75  -58.86  174.47
    5.00  -67.55  285.75  -62.34  184.20
    6.00  -67.56  300.75  -65.57  195.13
    7.00  -67.52  315.75  -69.16  207.12
    8.00  -68.28  330.75  -73.58  219.36
    9.00  -68.17  345.75  -77.22  237.69
   10.00  -67.83    0.75  -80.05  265.68
   11.00  -67.64   15.75  -81.05  305.39
   12.00  -67.67   30.75  -79.24  343.56
   13.00  -67.93   45.75  -75.81    9.69
   14.00  -68.41   60.75  -72.14   28.31
   15.00  -69.12   75.75  -68.79   43.61
   16.00  -69.97   90.75  -65.86   57.02
   17.00  -70.66  105.75  -63.21   68.59
   18.00  -70.54  120.75  -60.33   78.04
   19.00  -69.99  135.75  -57.63   86.81
   20.00  -69.03  150.75  -55.11   95.50
   21.00  -68.10  165.75  -53.11  104.65
   22.00  -67.26  180.75  -51.67  114.19
   23.00  -66.41  195.75  -50.79  123.95
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.50  210.75  -56.32  132.85
    1.00  -72.53  225.75  -58.29  141.28
    2.00  -73.43  240.75  -60.55  149.34
    3.00  -77.86  255.75  -66.20  152.33
    4.00  -79.91  270.75  -69.68  154.95
    5.00  -80.24  285.75  -71.95  159.37
    6.00  -79.60  300.75  -73.96  166.05
    7.00  -78.93  315.75  -76.38  172.79
    8.00  -79.06  330.75  -79.30  174.91
    9.00  -79.05  345.75  -82.26  174.09
   10.00  -79.17    0.75  -84.94  161.96
   11.00  -78.99   15.75  -86.56  125.69
   12.00  -79.13   30.75  -84.99   87.47
   13.00  -78.89   45.75  -82.16   73.62
   14.00  -78.82   60.75  -78.91   72.36
   15.00  -78.55   75.75  -75.63   74.14
   16.00  -78.64   90.75  -72.69   79.23
   17.00  -78.37  105.75  -69.86   84.02
   18.00  -78.90  120.75  -68.04   91.14
   19.00  -78.68  135.75  -66.07   96.96
   20.00  -77.75  150.75  -63.80  102.48
   21.00  -75.89  165.75  -60.97  108.40
   22.00  -73.78  180.75  -58.25  115.62
   23.00  -72.27  195.75  -56.63  123.98
</PRE>


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