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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>
22 Jul 1997 12:06:48 yearsecs  17496408
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.18  253.67  -49.24  167.29
    1.00  -60.48  268.67  -52.88  178.19
    2.00  -61.29  283.67  -56.36  189.46
    3.00  -67.67  298.67  -65.19  193.41
    4.00  -67.37  313.67  -68.51  205.67
    5.00  -68.15  328.67  -72.94  217.59
    6.00  -68.42  343.67  -76.93  234.09
    7.00  -68.48  358.67  -80.30  259.29
    8.00  -69.17   13.67  -82.74  298.23
    9.00  -69.32   28.67  -81.46  342.95
   10.00  -68.96   43.67  -77.45    9.79
   11.00  -68.64   58.67  -72.95   26.82
   12.00  -68.57   73.67  -68.80   40.60
   13.00  -68.75   88.67  -65.18   53.10
   14.00  -69.17  103.67  -62.19   64.83
   15.00  -69.84  118.67  -59.98   75.84
   16.00  -69.88  133.67  -57.78   85.40
   17.00  -69.73  148.67  -55.99   94.65
   18.00  -70.72  163.67  -55.87  104.49
   19.00  -70.06  178.67  -54.55  113.48
   20.00  -69.26  193.67  -53.59  122.68
   21.00  -67.73  208.67  -52.53  132.27
   22.00  -63.79  223.67  -49.86  143.20
   23.00  -61.21  238.67  -49.08  154.93
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.18  253.67  -53.87  164.31
    1.00  -65.48  268.67  -57.39  174.17
    2.00  -66.29  283.67  -60.84  184.25
    3.00  -73.66  298.67  -69.96  182.08
    4.00  -76.12  313.67  -74.73  183.04
    5.00  -76.49  328.67  -78.23  188.09
    6.00  -75.34  343.67  -81.40  201.75
    7.00  -74.23  358.67  -84.83  224.61
    8.00  -74.56   13.67  -88.50  276.35
    9.00  -74.76   28.67  -86.23   23.02
   10.00  -74.62   43.67  -81.98   38.45
   11.00  -74.87   58.67  -77.99   50.17
   12.00  -75.36   73.67  -74.43   60.62
   13.00  -75.25   88.67  -70.85   68.10
   14.00  -75.13  103.67  -67.65   75.61
   15.00  -75.00  118.67  -64.92   83.16
   16.00  -74.88  133.67  -62.71   90.80
   17.00  -74.73  148.67  -61.00   98.57
   18.00  -76.15  163.67  -61.34  107.49
   19.00  -76.40  178.67  -60.97  115.26
   20.00  -75.26  193.67  -59.63  122.86
   21.00  -72.73  208.67  -57.44  131.38
   22.00  -68.79  223.67  -54.58  141.57
   23.00  -66.21  238.67  -53.73  152.58
</PRE>


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