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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>
15 Aug 1997 13:59:30 yearsecs  19576770
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.06  228.18  -52.44  145.53
    1.00  -66.16  243.18  -54.24  155.69
    2.00  -67.01  258.18  -57.07  165.45
    3.00  -67.84  273.18  -60.24  175.02
    4.00  -67.51  288.18  -62.80  185.99
    5.00  -68.22  303.18  -66.69  195.87
    6.00  -68.24  318.18  -70.35  207.77
    7.00  -68.72  333.18  -74.55  220.75
    8.00  -69.83  348.18  -79.18  235.75
    9.00  -69.96    3.18  -82.52  264.69
   10.00  -69.54   18.18  -83.07  312.91
   11.00  -69.17   33.18  -80.34  352.54
   12.00  -69.06   48.18  -76.31   16.15
   13.00  -69.20   63.18  -72.25   32.76
   14.00  -69.59   78.18  -68.61   46.66
   15.00  -70.22   93.18  -65.52   59.24
   16.00  -70.83  108.18  -62.88   70.44
   17.00  -70.91  123.18  -60.30   80.00
   18.00  -71.02  138.18  -58.37   89.24
   19.00  -70.32  153.18  -56.20   97.84
   20.00  -69.46  168.18  -54.36  106.74
   21.00  -68.71  183.18  -53.09  116.02
   22.00  -68.12  198.18  -52.52  125.52
   23.00  -67.23  213.18  -52.31  135.27
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.48  228.18  -58.45  142.72
    1.00  -73.58  243.18  -60.95  150.60
    2.00  -74.34  258.18  -63.49  158.22
    3.00  -79.37  273.18  -69.61  157.07
    4.00  -81.11  288.18  -72.77  157.50
    5.00  -81.50  303.18  -75.08  159.57
    6.00  -80.90  318.18  -77.26  164.21
    7.00  -80.23  333.18  -79.78  168.07
    8.00  -80.07  348.18  -82.42  165.19
    9.00  -80.05    3.18  -84.63  150.76
   10.00  -79.82   18.18  -85.64  119.10
   11.00  -79.84   33.18  -84.13   90.58
   12.00  -80.04   48.18  -81.43   81.51
   13.00  -79.84   63.18  -78.54   78.31
   14.00  -79.64   78.18  -75.57   79.39
   15.00  -79.45   93.18  -72.72   82.64
   16.00  -79.25  108.18  -70.12   87.13
   17.00  -79.04  123.18  -67.84   92.38
   18.00  -80.01  138.18  -67.04   99.99
   19.00  -80.25  153.18  -66.06  106.24
   20.00  -79.53  168.18  -64.52  111.85
   21.00  -77.86  183.18  -62.37  117.92
   22.00  -75.25  198.18  -59.67  125.25
   23.00  -73.66  213.18  -58.56  133.70
</PRE>


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