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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>
28 Dec 1997 15:17:04 yearsecs  31245424
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.70  198.80  -50.16  125.98
    1.00  -65.83  213.80  -51.00  135.96
    2.00  -66.70  228.80  -53.10  145.71
    3.00  -67.58  243.80  -55.60  155.28
    4.00  -67.28  258.80  -57.41  165.66
    5.00  -68.04  273.80  -60.52  175.24
    6.00  -68.10  288.80  -63.43  185.63
    7.00  -68.62  303.80  -67.17  195.64
    8.00  -69.92  318.80  -71.85  204.51
    9.00  -70.64  333.80  -76.18  215.71
   10.00  -70.37  348.80  -79.76  234.53
   11.00  -69.78    3.80  -82.45  267.03
   12.00  -69.49   18.80  -82.99  314.94
   13.00  -69.49   33.80  -80.52  354.86
   14.00  -69.76   48.80  -76.82   19.21
   15.00  -70.31   63.80  -73.13   36.48
   16.00  -70.85   78.80  -69.62   50.19
   17.00  -70.88   93.80  -66.00   60.97
   18.00  -70.94  108.80  -62.87   71.02
   19.00  -70.20  123.80  -59.51   79.56
   20.00  -69.28  138.80  -56.56   88.11
   21.00  -68.40  153.80  -54.21   97.07
   22.00  -67.76  168.80  -52.61  106.51
   23.00  -66.87  183.80  -51.23  116.13
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.07  198.80  -56.47  125.77
    1.00  -73.21  213.80  -58.15  134.18
    2.00  -74.01  228.80  -59.95  142.24
    3.00  -79.16  243.80  -66.07  145.24
    4.00  -80.95  258.80  -69.08  148.42
    5.00  -81.37  273.80  -71.07  152.53
    6.00  -80.80  288.80  -72.70  158.63
    7.00  -79.94  303.80  -74.62  165.70
    8.00  -80.06  318.80  -77.23  168.31
    9.00  -80.11  333.80  -79.90  168.77
   10.00  -79.86  348.80  -82.60  166.50
   11.00  -79.85    3.80  -84.87  151.29
   12.00  -80.02   18.80  -85.40  117.97
   13.00  -79.80   33.80  -84.06   89.46
   14.00  -79.57   48.80  -81.41   77.94
   15.00  -79.35   63.80  -78.35   75.64
   16.00  -79.13   78.80  -75.25   77.38
   17.00  -78.90   93.80  -72.28   81.09
   18.00  -79.87  108.80  -70.47   88.95
   19.00  -80.09  123.80  -68.65   94.72
   20.00  -79.31  138.80  -66.34   99.18
   21.00  -77.56  153.80  -63.38  103.73
   22.00  -74.88  168.80  -59.79  109.47
   23.00  -73.26  183.80  -57.66  117.22
</PRE>


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