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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>
04 Jul 1997 14:04:55 yearsecs  15948295
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.64  228.50  -51.14  146.28
    1.00  -64.11  243.50  -52.40  157.05
    2.00  -65.11  258.50  -55.43  167.14
    3.00  -66.12  273.50  -58.79  177.05
    4.00  -65.91  288.50  -61.48  188.27
    5.00  -66.90  303.50  -65.65  198.29
    6.00  -67.02  318.50  -69.43  210.48
    7.00  -66.80  333.50  -73.04  225.80
    8.00  -67.29  348.50  -77.09  244.28
    9.00  -67.24    3.50  -79.88  273.41
   10.00  -66.83   18.50  -80.02  312.93
   11.00  -66.63   33.50  -77.48  346.95
   12.00  -66.67   48.50  -73.68   10.20
   13.00  -66.92   63.50  -69.82   27.50
   14.00  -67.41   78.50  -66.36   42.23
   15.00  -68.11   93.50  -63.41   55.65
   16.00  -69.04  108.50  -61.08   67.99
   17.00  -70.03  123.50  -59.38   79.16
   18.00  -69.83  138.50  -57.14   88.38
   19.00  -69.28  153.50  -55.13   97.39
   20.00  -68.19  168.50  -53.06  106.47
   21.00  -67.17  183.50  -51.53  115.97
   22.00  -66.18  198.50  -50.62  125.77
   23.00  -65.30  213.50  -50.47  135.86
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.63  228.50  -57.68  143.34
    1.00  -72.67  243.50  -60.17  151.53
    2.00  -73.65  258.50  -62.94  159.22
    3.00  -77.10  273.50  -67.98  161.85
    4.00  -79.35  288.50  -71.84  162.84
    5.00  -79.80  303.50  -74.51  166.13
    6.00  -79.18  318.50  -76.97  172.33
    7.00  -78.76  333.50  -79.82  176.94
    8.00  -79.19  348.50  -82.76  172.01
    9.00  -78.92    3.50  -85.53  160.09
   10.00  -79.14   18.50  -86.35  116.67
   11.00  -78.86   33.50  -84.67   81.13
   12.00  -78.84   48.50  -81.58   72.67
   13.00  -78.59   63.50  -78.27   71.47
   14.00  -78.59   78.50  -75.07   75.09
   15.00  -78.25   93.50  -71.93   78.97
   16.00  -78.38  108.50  -69.42   85.13
   17.00  -77.83  123.50  -66.75   90.27
   18.00  -78.01  138.50  -65.16   97.20
   19.00  -77.80  153.50  -63.64  103.82
   20.00  -76.86  168.50  -61.81  110.35
   21.00  -74.96  183.50  -59.39  117.40
   22.00  -73.35  198.50  -57.76  125.53
   23.00  -72.08  213.50  -57.03  134.33
</PRE>


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