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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>
29 Jun 1997 16:47:42 yearsecs  15526062
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.35  183.62  -47.71  115.47
    1.00  -63.89  198.62  -48.36  125.89
    2.00  -64.53  213.62  -49.74  136.09
    3.00  -65.16  228.62  -51.64  146.17
    4.00  -64.97  243.62  -53.21  156.66
    5.00  -66.33  258.62  -56.53  166.29
    6.00  -66.76  273.62  -59.38  176.48
    7.00  -66.76  288.62  -62.24  187.28
    8.00  -67.55  303.62  -66.23  197.32
    9.00  -67.11  318.62  -69.53  210.41
   10.00  -66.84  333.62  -73.10  225.85
   11.00  -66.34  348.62  -76.25  246.84
   12.00  -66.21    3.62  -78.83  275.73
   13.00  -66.32   18.62  -79.44  313.14
   14.00  -66.66   33.62  -77.49  347.22
   15.00  -67.23   48.62  -74.27   11.67
   16.00  -68.02   63.62  -70.95   30.16
   17.00  -69.03   78.62  -67.96   45.75
   18.00  -68.91   93.62  -64.17   57.14
   19.00  -67.82  108.62  -59.83   66.38
   20.00  -66.75  123.62  -56.04   75.72
   21.00  -65.80  138.62  -53.02   85.26
   22.00  -64.75  153.62  -50.52   94.97
   23.00  -63.70  168.62  -48.52  105.02
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.23  183.62  -54.61  116.56
    1.00  -71.46  198.62  -55.86  125.68
    2.00  -72.50  213.62  -57.45  134.28
    3.00  -73.77  228.62  -59.70  142.27
    4.00  -76.63  243.62  -63.78  148.00
    5.00  -77.64  258.62  -66.36  153.98
    6.00  -76.91  273.62  -67.84  162.27
    7.00  -76.13  288.62  -69.76  171.09
    8.00  -77.12  303.62  -73.21  175.29
    9.00  -76.70  318.62  -76.08  183.02
   10.00  -76.89  333.62  -79.48  187.89
   11.00  -76.78  348.62  -82.97  192.72
   12.00  -76.46    3.62  -86.66  196.00
   13.00  -76.33   18.62  -89.12   76.81
   14.00  -76.54   33.62  -85.28   52.71
   15.00  -76.14   48.62  -81.24   52.47
   16.00  -76.02   63.62  -77.30   58.38
   17.00  -74.43   78.62  -72.58   60.14
   18.00  -74.23   93.62  -68.97   68.16
   19.00  -74.86  108.62  -66.49   77.65
   20.00  -74.32  123.62  -63.53   84.73
   21.00  -72.19  138.62  -59.50   90.61
   22.00  -71.30  153.62  -57.15   98.74
   23.00  -70.40  168.62  -55.29  107.39
</PRE>


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