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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>
12 Sep 1997 15:04:00 yearsecs  21999840
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.78  208.23  -48.68  132.51
    1.00  -63.73  223.23  -49.76  142.91
    2.00  -64.53  238.23  -52.12  153.11
    3.00  -65.32  253.23  -54.84  163.23
    4.00  -65.09  268.23  -56.97  174.20
    5.00  -66.23  283.23  -60.69  184.00
    6.00  -66.47  298.23  -64.06  194.87
    7.00  -66.33  313.23  -67.52  207.13
    8.00  -67.02  328.23  -71.90  219.70
    9.00  -66.54  343.23  -75.20  238.46
   10.00  -66.11  358.23  -77.93  264.42
   11.00  -65.92   13.23  -79.16  299.49
   12.00  -65.95   28.23  -77.78  335.36
   13.00  -66.21   43.23  -74.59    2.07
   14.00  -66.69   58.23  -71.01   21.57
   15.00  -67.40   73.23  -67.71   37.63
   16.00  -68.33   88.23  -64.87   51.96
   17.00  -69.39  103.23  -62.50   64.86
   18.00  -69.30  118.23  -59.52   74.88
   19.00  -68.68  133.23  -56.62   84.01
   20.00  -67.49  148.23  -53.76   92.88
   21.00  -66.43  163.23  -51.57  102.30
   22.00  -65.36  178.23  -49.83  112.11
   23.00  -64.34  193.23  -48.70  122.20
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.86  208.23  -56.55  131.30
    1.00  -72.95  223.23  -58.50  139.64
    2.00  -73.93  238.23  -60.75  147.53
    3.00  -76.30  253.23  -64.55  153.21
    4.00  -78.72  268.23  -68.47  156.40
    5.00  -79.41  283.23  -71.08  160.77
    6.00  -78.81  298.23  -73.14  167.88
    7.00  -78.23  313.23  -75.63  174.96
    8.00  -78.67  328.23  -78.75  176.75
    9.00  -78.67  343.23  -81.80  177.44
   10.00  -78.82  358.23  -84.71  168.59
   11.00  -78.59   13.23  -86.91  136.06
   12.00  -78.42   28.23  -85.89   84.07
   13.00  -78.20   43.23  -82.81   68.56
   14.00  -78.27   58.23  -79.38   68.81
   15.00  -77.90   73.23  -75.89   70.60
   16.00  -77.89   88.23  -72.73   75.87
   17.00  -76.89  103.23  -69.16   79.35
   18.00  -76.88  118.23  -66.67   86.19
   19.00  -77.09  133.23  -64.87   93.50
   20.00  -76.32  148.23  -62.60   99.83
   21.00  -74.40  163.23  -59.60  106.19
   22.00  -73.18  178.23  -57.71  114.04
   23.00  -72.15  193.23  -56.48  122.51
</PRE>


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