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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>
03 Oct 1997 19:13:32 yearsecs  23829212
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.60  140.07  -51.62   85.43
    1.00  -64.10  155.07  -49.74   95.66
    2.00  -65.10  170.07  -49.86  106.47
    3.00  -66.09  185.07  -50.43  116.85
    4.00  -65.89  200.07  -50.38  126.82
    5.00  -66.90  215.07  -52.12  136.57
    6.00  -67.06  230.07  -53.55  146.41
    7.00  -66.91  245.07  -55.15  156.55
    8.00  -67.58  260.07  -57.86  166.27
    9.00  -67.18  275.07  -60.00  177.06
   10.00  -66.83  290.07  -62.60  188.26
   11.00  -66.58  305.07  -65.75  200.03
   12.00  -66.61  320.07  -69.48  212.67
   13.00  -66.87  335.07  -73.50  227.42
   14.00  -67.36  350.07  -77.50  246.61
   15.00  -68.06    5.07  -80.92  275.40
   16.00  -68.99   20.07  -82.34  318.50
   17.00  -69.98   35.07  -80.71  359.14
   18.00  -69.80   50.07  -76.49   20.84
   19.00  -69.24   65.07  -71.76   34.62
   20.00  -68.15   80.07  -66.71   45.06
   21.00  -67.13   95.07  -62.05   55.22
   22.00  -66.14  110.07  -57.83   65.28
   23.00  -65.25  125.07  -54.27   75.32
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.94  140.07  -58.08   90.32
    1.00  -72.00  155.07  -57.74  100.07
    2.00  -73.00  170.07  -57.83  109.31
    3.00  -76.50  185.07  -60.94  118.54
    4.00  -78.83  200.07  -63.35  125.89
    5.00  -79.30  215.07  -64.26  132.49
    6.00  -78.65  230.07  -64.47  139.66
    7.00  -78.07  245.07  -65.22  147.12
    8.00  -78.62  260.07  -67.35  153.09
    9.00  -78.30  275.07  -69.11  160.14
   10.00  -78.49  290.07  -71.58  165.80
   11.00  -78.24  305.07  -74.08  172.18
   12.00  -78.13  320.07  -76.96  177.48
   13.00  -77.89  335.07  -80.04  182.37
   14.00  -77.93  350.07  -83.32  182.43
   15.00  -77.60    5.07  -86.63  174.19
   16.00  -77.75   20.07  -87.66  101.29
   17.00  -77.16   35.07  -84.88   60.37
   18.00  -77.36   50.07  -81.16   61.69
   19.00  -77.19   65.07  -77.47   64.65
   20.00  -76.25   80.07  -73.47   66.93
   21.00  -74.28   95.07  -68.70   69.10
   22.00  -72.67  110.07  -64.25   74.56
   23.00  -71.39  125.07  -60.49   81.73
</PRE>


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