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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>
30 May 1997 02:25:27 yearsecs  12882327
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.98   33.51  -73.18  341.87
    1.00  -64.10   48.51  -70.69    5.22
    2.00  -64.94   63.51  -67.59   23.48
    3.00  -67.46   78.51  -66.41   42.35
    4.00  -67.09   93.51  -62.37   53.93
    5.00  -67.77  108.51  -59.80   66.24
    6.00  -67.68  123.51  -57.01   76.60
    7.00  -67.78  138.51  -55.07   86.70
    8.00  -68.52  153.51  -54.36   96.95
    9.00  -68.79  168.51  -53.66  106.70
   10.00  -68.52  183.51  -52.89  116.20
   11.00  -68.33  198.51  -52.75  125.73
   12.00  -68.37  213.51  -53.42  135.24
   13.00  -68.63  228.51  -54.86  144.73
   14.00  -69.11  243.51  -56.95  154.11
   15.00  -69.82  258.51  -59.60  163.23
   16.00  -70.58  273.51  -62.66  172.03
   17.00  -70.99  288.51  -65.80  181.05
   18.00  -71.01  303.51  -69.03  190.87
   19.00  -70.42  318.51  -72.15  203.07
   20.00  -69.54  333.51  -75.28  218.82
   21.00  -68.68  348.51  -78.31  240.23
   22.00  -66.38    3.51  -78.99  275.18
   23.00  -64.35   18.51  -77.21  312.69
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.98   33.51  -78.98  349.87
    1.00  -69.10   48.51  -76.25   16.69
    2.00  -69.94   63.51  -72.86   35.13
    3.00  -75.71   78.51  -73.49   64.32
    4.00  -77.95   93.51  -71.74   78.09
    5.00  -78.21  108.51  -69.28   84.73
    6.00  -77.61  123.51  -66.56   89.90
    7.00  -76.76  138.51  -63.96   95.56
    8.00  -77.12  153.51  -62.97  103.19
    9.00  -77.12  168.51  -62.07  110.50
   10.00  -77.15  183.51  -61.63  117.90
   11.00  -77.16  198.51  -61.61  125.30
   12.00  -77.46  213.51  -62.35  132.58
   13.00  -77.28  228.51  -63.05  139.97
   14.00  -77.20  243.51  -64.28  147.35
   15.00  -77.01  258.51  -65.81  154.87
   16.00  -77.01  273.51  -67.91  162.03
   17.00  -76.81  288.51  -70.21  169.46
   18.00  -77.65  303.51  -73.48  173.56
   19.00  -77.60  318.51  -76.44  179.30
   20.00  -76.54  333.51  -79.35  189.79
   21.00  -74.34  348.51  -82.23  212.18
   22.00  -71.38    3.51  -83.89  258.95
   23.00  -69.35   18.51  -82.84  313.89
</PRE>


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