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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>
21 Oct 1997 12:09:44 yearsecs  25358984
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.10  243.38  -49.58  158.48
    1.00  -62.30  258.38  -52.87  169.02
    2.00  -63.05  273.38  -56.04  179.82
    3.00  -67.88  288.38  -63.16  185.64
    4.00  -67.43  303.38  -66.07  197.35
    5.00  -68.02  318.38  -70.23  208.39
    6.00  -67.88  333.38  -73.92  223.15
    7.00  -68.35  348.38  -77.99  241.08
    8.00  -69.13    3.38  -81.74  268.17
    9.00  -69.44   18.38  -82.96  313.53
   10.00  -69.21   33.38  -80.33  353.09
   11.00  -69.00   48.38  -76.18   16.21
   12.00  -69.01   63.38  -72.01   32.44
   13.00  -69.25   78.38  -68.23   46.06
   14.00  -69.72   93.38  -65.01   58.45
   15.00  -70.42  108.38  -62.45   69.94
   16.00  -71.02  123.38  -60.38   80.25
   17.00  -70.88  138.38  -58.21   89.24
   18.00  -71.37  153.38  -57.25   98.65
   19.00  -70.73  168.38  -55.63  107.38
   20.00  -69.92  183.38  -54.30  116.36
   21.00  -69.01  198.38  -53.42  125.63
   22.00  -65.37  213.38  -50.53  135.77
   23.00  -62.98  228.38  -49.57  146.78
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.10  243.38  -54.21  155.87
    1.00  -67.30  258.38  -57.37  165.34
    2.00  -68.05  273.38  -60.46  174.94
    3.00  -74.87  288.38  -68.80  173.75
    4.00  -77.14  303.38  -73.18  175.12
    5.00  -77.49  318.38  -76.37  179.74
    6.00  -76.44  333.38  -79.29  190.28
    7.00  -75.43  348.38  -82.62  203.85
    8.00  -75.74    3.38  -86.59  209.16
    9.00  -75.93   18.38  -89.37   48.98
   10.00  -75.80   33.38  -85.27   42.77
   11.00  -76.03   48.38  -81.26   51.56
   12.00  -76.48   63.38  -77.58   60.50
   13.00  -76.37   78.38  -73.93   66.59
   14.00  -76.26   93.38  -70.59   73.20
   15.00  -76.14  108.38  -67.63   80.09
   16.00  -76.02  123.38  -65.14   87.17
   17.00  -75.88  138.38  -63.13   94.43
   18.00  -77.18  153.38  -63.04  103.18
   19.00  -77.40  168.38  -62.36  110.60
   20.00  -76.35  183.38  -60.81  117.64
   21.00  -74.01  198.38  -58.42  125.43
   22.00  -70.37  213.38  -55.35  134.70
   23.00  -67.98  228.38  -54.25  144.91
</PRE>


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