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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>
04 Jul 1997 00:21:18 yearsecs  15898878
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.57   63.89  -65.87   21.45
    1.00  -64.78   78.89  -63.42   37.72
    2.00  -65.58   93.89  -60.70   51.84
    3.00  -67.58  108.89  -59.54   66.25
    4.00  -67.28  123.89  -56.54   76.44
    5.00  -68.06  138.89  -55.30   87.16
    6.00  -68.17  153.89  -53.97   96.99
    7.00  -69.01  168.89  -53.87  107.02
    8.00  -69.64  183.89  -54.01  116.63
    9.00  -69.65  198.89  -54.07  125.92
   10.00  -69.21  213.89  -54.26  135.29
   11.00  -68.82  228.89  -55.08  144.88
   12.00  -68.70  243.89  -56.62  154.62
   13.00  -68.84  258.89  -58.80  164.37
   14.00  -69.23  273.89  -61.57  173.93
   15.00  -69.87  288.89  -64.95  183.08
   16.00  -70.50  303.89  -68.71  192.17
   17.00  -70.59  318.89  -72.37  202.95
   18.00  -70.70  333.89  -76.24  215.59
   19.00  -70.00  348.89  -79.49  236.14
   20.00  -69.17    3.89  -81.86  269.34
   21.00  -68.40   18.89  -81.77  314.53
   22.00  -67.19   33.89  -78.03  348.81
   23.00  -65.14   48.89  -71.83    7.54
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.57   63.89  -71.43   31.78
    1.00  -69.78   78.89  -68.61   47.67
    2.00  -70.58   93.89  -65.70   60.44
    3.00  -76.71  108.89  -68.02   81.53
    4.00  -78.79  123.89  -67.54   92.20
    5.00  -79.19  138.89  -66.22   99.03
    6.00  -78.28  153.89  -64.09  104.47
    7.00  -77.24  168.89  -62.17  110.75
    8.00  -77.42  183.89  -61.90  118.15
    9.00  -77.50  198.89  -61.96  125.46
   10.00  -77.30  213.89  -62.20  132.82
   11.00  -77.43  228.89  -63.22  140.05
   12.00  -77.77  243.89  -64.83  146.91
   13.00  -77.60  258.89  -66.36  154.17
   14.00  -77.44  273.89  -68.29  161.38
   15.00  -77.27  288.89  -70.59  168.49
   16.00  -77.10  303.89  -73.26  175.45
   17.00  -76.92  318.89  -76.24  182.26
   18.00  -78.14  333.89  -79.82  180.70
   19.00  -78.41  348.89  -83.00  178.45
   20.00  -77.49    3.89  -86.44  177.90
   21.00  -75.43   18.89  -89.13    8.45
   22.00  -72.19   33.89  -83.06    7.85
   23.00  -70.14   48.89  -77.15   20.63
</PRE>


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