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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>
10 Jan 1997 14:03:28 yearsecs    828208
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.10  217.19  -43.81  139.88
    1.00  -58.61  232.19  -45.81  151.08
    2.00  -59.11  247.19  -48.22  162.32
    3.00  -59.62  262.19  -50.99  173.68
    4.00  -59.40  277.19  -53.40  185.83
    5.00  -60.29  292.19  -57.16  197.38
    6.00  -61.88  307.19  -62.04  208.37
    7.00  -63.08  322.19  -66.89  220.66
    8.00  -63.12  337.19  -70.63  237.26
    9.00  -62.53  352.19  -73.30  259.76
   10.00  -62.07    7.19  -74.76  288.63
   11.00  -61.88   22.19  -73.95  320.22
   12.00  -61.91   37.19  -70.98  346.63
   13.00  -62.17   52.19  -67.29    6.66
   14.00  -62.65   67.19  -63.89   23.24
   15.00  -63.36   82.19  -61.00   38.38
   16.00  -64.29   97.19  -58.59   52.70
   17.00  -65.45  112.19  -56.71   66.05
   18.00  -65.57  127.19  -54.28   77.11
   19.00  -64.51  142.19  -51.30   86.85
   20.00  -62.87  157.19  -48.34   96.60
   21.00  -61.71  172.19  -46.35  107.00
   22.00  -59.99  187.19  -44.33  117.60
   23.00  -58.88  202.19  -43.58  128.60
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.45  217.19  -54.71  137.28
    1.00  -70.26  232.19  -56.74  146.28
    2.00  -71.16  247.19  -59.25  154.94
    3.00  -71.72  262.19  -61.81  163.59
    4.00  -73.03  277.19  -65.34  170.83
    5.00  -74.30  292.19  -69.11  177.01
    6.00  -74.44  307.19  -72.32  184.94
    7.00  -73.48  322.19  -75.17  196.85
    8.00  -73.66  337.19  -78.99  206.78
    9.00  -73.92  352.19  -82.99  218.97
   10.00  -73.58    7.19  -86.50  252.77
   11.00  -73.29   22.19  -86.68  341.64
   12.00  -73.09   37.19  -82.87   19.73
   13.00  -73.01   52.19  -78.60   36.22
   14.00  -73.01   67.19  -74.47   48.07
   15.00  -72.73   82.19  -70.39   57.42
   16.00  -72.95   97.19  -67.11   67.38
   17.00  -72.63  112.19  -63.82   75.75
   18.00  -72.35  127.19  -61.11   84.13
   19.00  -71.99  142.19  -58.90   92.50
   20.00  -71.58  157.19  -57.16  101.05
   21.00  -70.41  172.19  -55.13  109.59
   22.00  -70.36  187.19  -54.69  118.77
   23.00  -69.23  202.19  -53.73  127.99
</PRE>


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