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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>
24 Mar 1997 12:48:34 yearsecs   7130914
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.67  241.81  -49.91  157.04
    1.00  -62.26  256.81  -52.58  167.87
    2.00  -62.85  271.81  -55.58  178.79
    3.00  -63.44  286.81  -58.93  189.81
    4.00  -62.90  301.81  -61.70  202.51
    5.00  -64.11  316.81  -66.46  213.93
    6.00  -64.73  331.81  -70.80  228.08
    7.00  -64.89  346.81  -74.50  247.19
    8.00  -65.21    1.81  -77.57  273.49
    9.00  -64.88   16.81  -77.92  308.67
   10.00  -64.47   31.81  -75.34  340.53
   11.00  -64.28   46.81  -71.37    3.34
   12.00  -64.31   61.81  -67.32   20.60
   13.00  -64.57   76.81  -63.71   35.49
   14.00  -65.06   91.81  -60.63   49.33
   15.00  -65.76  106.81  -58.10   62.34
   16.00  -66.70  121.81  -56.28   74.40
   17.00  -67.85  136.81  -55.34   85.63
   18.00  -67.86  151.81  -53.83   95.46
   19.00  -67.19  166.81  -52.14  104.99
   20.00  -65.77  181.81  -50.16  114.61
   21.00  -64.66  196.81  -49.08  124.65
   22.00  -63.35  211.81  -48.48  135.04
   23.00  -62.17  226.81  -48.63  145.92
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.44  241.81  -59.77  150.71
    1.00  -73.40  256.81  -62.49  158.54
    2.00  -74.34  271.81  -65.51  165.74
    3.00  -75.25  286.81  -68.79  172.12
    4.00  -77.57  301.81  -73.12  173.13
    5.00  -78.51  316.81  -76.44  174.90
    6.00  -78.19  331.81  -79.39  180.03
    7.00  -77.58  346.81  -82.60  185.76
    8.00  -78.34    1.81  -85.61  169.40
    9.00  -78.15   16.81  -87.45  121.00
   10.00  -78.10   31.81  -85.37   74.66
   11.00  -77.87   46.81  -81.99   65.32
   12.00  -77.52   61.81  -78.36   65.36
   13.00  -77.38   76.81  -74.85   69.72
   14.00  -77.40   91.81  -71.71   75.77
   15.00  -76.96  106.81  -68.59   81.13
   16.00  -76.80  121.81  -66.08   87.71
   17.00  -75.44  136.81  -62.89   93.11
   18.00  -75.24  151.81  -61.24  100.68
   19.00  -75.85  166.81  -60.87  108.93
   20.00  -75.33  181.81  -59.81  116.58
   21.00  -73.64  196.81  -58.02  124.57
   22.00  -73.14  211.81  -57.99  133.07
   23.00  -72.32  226.81  -58.18  142.00
</PRE>


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