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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>
27 Mar 1997 20:34:21 yearsecs   7418061
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.11  123.18  -53.39   72.89
    1.00  -63.88  138.18  -51.08   83.60
    2.00  -64.76  153.18  -50.55   94.67
    3.00  -65.63  168.18  -50.49  105.36
    4.00  -65.41  183.18  -49.78  115.48
    5.00  -66.50  198.18  -50.92  125.56
    6.00  -66.70  213.18  -51.80  135.38
    7.00  -66.56  228.18  -52.90  145.35
    8.00  -67.24  243.18  -55.22  155.07
    9.00  -66.79  258.18  -56.88  165.63
   10.00  -66.40  273.18  -58.98  176.54
   11.00  -66.18  288.18  -61.65  187.70
   12.00  -66.22  303.18  -64.99  199.10
   13.00  -66.48  318.18  -68.88  211.22
   14.00  -66.96  333.18  -73.10  225.10
   15.00  -67.67  348.18  -77.35  242.77
   16.00  -68.60    3.18  -81.19  269.28
   17.00  -69.63   18.18  -83.17  312.99
   18.00  -69.50   33.18  -80.67  353.62
   19.00  -68.90   48.18  -76.14   15.67
   20.00  -67.75   63.18  -70.79   29.09
   21.00  -66.71   78.18  -65.71   40.60
   22.00  -65.67   93.18  -60.97   51.42
   23.00  -64.71  108.18  -56.72   62.10
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.61  123.18  -61.97   82.15
    1.00  -73.66  138.18  -61.00   91.85
    2.00  -74.62  153.18  -60.52  100.90
    3.00  -77.29  168.18  -62.25  110.44
    4.00  -79.54  183.18  -64.09  118.39
    5.00  -80.13  198.18  -64.66  124.93
    6.00  -79.58  213.18  -64.46  131.53
    7.00  -79.09  228.18  -64.76  138.45
    8.00  -79.73  243.18  -66.52  144.26
    9.00  -79.50  258.18  -67.85  150.81
   10.00  -79.69  273.18  -69.85  156.34
   11.00  -79.53  288.18  -71.90  162.20
   12.00  -79.38  303.18  -74.28  167.54
   13.00  -79.13  318.18  -76.90  172.53
   14.00  -79.13  333.18  -79.79  174.71
   15.00  -78.76  348.18  -82.80  175.68
   16.00  -78.77    3.18  -85.59  162.22
   17.00  -77.96   18.18  -87.60  113.12
   18.00  -78.00   33.18  -85.12   71.88
   19.00  -78.01   48.18  -81.67   66.41
   20.00  -77.20   63.18  -77.92   64.07
   21.00  -75.36   78.18  -73.34   62.96
   22.00  -74.04   93.18  -68.90   67.44
   23.00  -72.94  108.18  -64.86   73.91
</PRE>


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