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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>
11 Apr 1997 00:29:45 yearsecs   8641785
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.16   63.42  -61.67   15.90
    1.00  -60.84   78.42  -58.85   31.25
    2.00  -61.51   93.42  -56.30   45.74
    3.00  -62.19  108.42  -53.98   59.39
    4.00  -61.28  123.42  -50.36   70.59
    5.00  -62.33  138.42  -49.44   82.73
    6.00  -63.35  153.42  -49.10   94.13
    7.00  -63.92  168.42  -48.75  104.95
    8.00  -64.44  183.42  -48.80  115.49
    9.00  -63.80  198.42  -48.28  125.75
   10.00  -63.38  213.42  -48.62  136.16
   11.00  -63.19  228.42  -49.77  146.74
   12.00  -63.23  243.42  -51.57  157.45
   13.00  -63.49  258.42  -53.95  168.25
   14.00  -63.97  273.42  -56.87  179.03
   15.00  -64.68  288.42  -60.36  189.68
   16.00  -65.61  303.42  -64.51  200.19
   17.00  -66.35  318.42  -68.83  211.66
   18.00  -66.24  333.42  -72.54  226.93
   19.00  -66.10  348.42  -75.99  247.08
   20.00  -64.54    3.42  -77.08  277.94
   21.00  -63.43   18.42  -76.17  312.47
   22.00  -61.91   33.42  -71.89  340.70
   23.00  -60.75   48.42  -66.50    0.36
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.32   63.42  -71.31   30.71
    1.00  -68.98   78.42  -67.97   45.49
    2.00  -69.91   93.42  -65.18   58.83
    3.00  -70.64  108.42  -62.66   70.31
    4.00  -72.88  123.42  -62.19   82.64
    5.00  -74.09  138.42  -61.39   92.43
    6.00  -73.90  153.42  -59.78  100.47
    7.00  -73.07  168.42  -57.98  108.40
    8.00  -73.63  183.42  -58.04  117.08
    9.00  -73.54  198.42  -57.94  125.47
   10.00  -73.54  213.42  -58.46  133.87
   11.00  -73.30  228.42  -59.25  142.42
   12.00  -73.08  243.42  -60.53  151.15
   13.00  -73.11  258.42  -62.47  159.79
   14.00  -73.08  273.42  -64.74  168.54
   15.00  -72.62  288.42  -67.09  178.17
   16.00  -72.58  303.42  -70.19  187.41
   17.00  -71.35  318.42  -72.81  200.61
   18.00  -71.24  333.42  -76.51  213.33
   19.00  -71.85  348.42  -80.76  227.23
   20.00  -71.34    3.42  -83.84  258.88
   21.00  -69.64   18.42  -83.17  313.77
   22.00  -69.32   33.42  -80.43  353.50
   23.00  -67.98   48.42  -75.12   13.33
</PRE>


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