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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>
10 Jun 1997 17:14:20 yearsecs  13886060
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.30  173.73  -48.91  108.77
    1.00  -65.50  188.73  -49.82  119.23
    2.00  -66.31  203.73  -50.92  129.22
    3.00  -67.34  218.73  -52.81  138.86
    4.00  -67.03  233.73  -53.91  148.85
    5.00  -67.77  248.73  -56.41  158.45
    6.00  -67.76  263.73  -58.60  168.61
    7.00  -68.15  278.73  -61.51  178.51
    8.00  -69.34  293.73  -65.51  187.23
    9.00  -70.07  308.73  -69.51  196.48
   10.00  -69.67  323.73  -72.89  209.26
   11.00  -69.15  338.73  -76.30  225.68
   12.00  -68.88  353.73  -79.66  248.27
   13.00  -68.84    8.73  -82.12  283.57
   14.00  -69.04   23.73  -81.98  329.30
   15.00  -69.46   38.73  -79.26    3.79
   16.00  -69.81   53.73  -75.48   25.05
   17.00  -69.52   68.73  -71.04   38.65
   18.00  -69.13   83.73  -66.76   50.03
   19.00  -68.89   98.73  -62.98   60.85
   20.00  -68.28  113.73  -59.31   70.58
   21.00  -67.63  128.73  -56.18   80.08
   22.00  -67.14  143.73  -53.84   89.67
   23.00  -65.77  158.73  -51.19   98.98
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.30  173.73  -53.95  110.19
    1.00  -70.51  188.73  -54.83  119.72
    2.00  -71.31  203.73  -55.85  128.73
    3.00  -77.24  218.73  -62.39  135.22
    4.00  -79.27  233.73  -65.32  140.73
    5.00  -79.66  248.73  -66.99  146.66
    6.00  -78.87  263.73  -68.00  154.23
    7.00  -77.67  278.73  -69.20  163.08
    8.00  -77.64  293.73  -71.68  169.61
    9.00  -77.47  308.73  -74.40  176.20
   10.00  -77.03  323.73  -77.33  183.67
   11.00  -77.52  338.73  -80.78  185.40
   12.00  -77.83  353.73  -84.13  182.23
   13.00  -77.70    8.73  -87.24  162.87
   14.00  -77.55   23.73  -87.29   82.81
   15.00  -77.39   38.73  -83.95   61.94
   16.00  -77.23   53.73  -80.23   61.49
   17.00  -77.04   68.73  -76.54   65.25
   18.00  -78.24   83.73  -73.84   75.46
   19.00  -78.57   98.73  -71.19   81.86
   20.00  -77.74  113.73  -68.08   85.86
   21.00  -75.79  128.73  -64.21   89.48
   22.00  -72.73  143.73  -59.49   94.06
   23.00  -70.77  158.73  -56.24  101.51
</PRE>


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