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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>
01 Apr 1997 14:32:44 yearsecs   7828364
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.39  217.85  -50.87  138.78
    1.00  -65.54  232.85  -52.44  148.92
    2.00  -66.46  247.85  -55.12  158.72
    3.00  -67.40  262.85  -58.13  168.34
    4.00  -67.15  277.85  -60.48  179.06
    5.00  -68.00  292.85  -64.20  188.66
    6.00  -68.17  307.85  -67.76  199.51
    7.00  -68.87  322.85  -72.04  210.43
    8.00  -70.33  337.85  -76.98  220.92
    9.00  -70.54  352.85  -80.86  240.24
   10.00  -69.82    7.85  -83.04  278.46
   11.00  -69.23   22.85  -82.30  327.12
   12.00  -68.95   37.85  -78.97    0.61
   13.00  -68.96   52.85  -74.90   21.44
   14.00  -69.26   67.85  -71.03   37.19
   15.00  -69.83   82.85  -67.65   50.85
   16.00  -70.39   97.85  -64.63   62.83
   17.00  -70.43  112.85  -61.60   72.86
   18.00  -70.50  127.85  -59.20   82.42
   19.00  -69.76  142.85  -56.59   91.04
   20.00  -68.82  157.85  -54.34   99.90
   21.00  -68.02  172.85  -52.69  109.23
   22.00  -67.43  187.85  -51.75  118.85
   23.00  -66.55  202.85  -51.12  128.62
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.96  217.85  -58.14  136.56
    1.00  -74.11  232.85  -60.40  144.42
    2.00  -74.93  247.85  -62.71  151.93
    3.00  -79.84  262.85  -68.66  152.06
    4.00  -81.57  277.85  -71.68  153.22
    5.00  -82.01  292.85  -73.83  155.64
    6.00  -81.55  307.85  -75.78  160.11
    7.00  -81.08  322.85  -78.03  163.59
    8.00  -80.87  337.85  -80.47  163.41
    9.00  -80.75  352.85  -82.81  157.16
   10.00  -80.43    7.85  -84.72  140.57
   11.00  -80.38   22.85  -84.83  110.55
   12.00  -80.50   37.85  -83.00   90.89
   13.00  -80.24   52.85  -80.51   81.56
   14.00  -79.99   67.85  -77.65   79.41
   15.00  -79.75   82.85  -74.73   80.88
   16.00  -79.51   97.85  -71.95   84.31
   17.00  -79.26  112.85  -69.43   88.87
   18.00  -80.18  127.85  -68.25   96.37
   19.00  -80.37  142.85  -66.96  102.35
   20.00  -79.65  157.85  -65.18  107.54
   21.00  -78.05  172.85  -62.83  113.09
   22.00  -75.53  187.85  -59.92  119.81
   23.00  -74.03  202.85  -58.53  127.89
</PRE>


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