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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>
31 Aug 1997 03:51:52 yearsecs  20922712
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.11   13.35  -68.05  303.78
    1.00  -57.53   28.35  -67.50  330.00
    2.00  -58.40   43.35  -64.75  351.73
    3.00  -66.65   58.35  -70.93   21.60
    4.00  -67.30   73.35  -67.58   37.54
    5.00  -68.26   88.35  -64.77   51.93
    6.00  -68.71  103.35  -61.80   63.89
    7.00  -67.81  118.35  -58.00   73.21
    8.00  -68.15  133.35  -56.08   83.62
    9.00  -68.36  148.35  -54.64   93.53
   10.00  -68.20  163.35  -53.35  103.14
   11.00  -68.26  178.35  -52.74  112.85
   12.00  -68.11  193.35  -52.45  122.44
   13.00  -68.23  208.35  -53.00  131.99
   14.00  -68.61  223.35  -54.38  141.44
   15.00  -68.60  238.35  -55.87  151.09
   16.00  -68.45  253.35  -57.66  161.03
   17.00  -68.21  268.35  -59.74  171.33
   18.00  -69.61  283.35  -63.63  179.77
   19.00  -69.41  298.35  -66.58  190.33
   20.00  -68.57  313.35  -69.43  203.09
   21.00  -65.74  328.35  -70.83  222.44
   22.00  -61.32  343.35  -70.30  248.12
   23.00  -58.42  358.35  -70.02  274.95
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.11   13.35  -73.79  302.12
    1.00  -62.53   28.35  -73.73  332.40
    2.00  -63.40   43.35  -71.24  357.37
    3.00  -71.65   58.35  -75.81   36.02
    4.00  -74.39   73.35  -73.86   56.93
    5.00  -74.57   88.35  -70.40   66.07
    6.00  -74.14  103.35  -66.87   73.40
    7.00  -72.81  118.35  -62.92   79.63
    8.00  -73.15  133.35  -61.08   88.60
    9.00  -73.36  148.35  -59.67   97.22
   10.00  -73.20  163.35  -58.39  105.58
   11.00  -73.46  178.35  -58.00  114.19
   12.00  -74.00  193.35  -58.35  122.65
   13.00  -73.87  208.35  -58.55  130.96
   14.00  -73.73  223.35  -59.26  139.35
   15.00  -73.60  238.35  -60.45  147.86
   16.00  -73.45  253.35  -62.08  156.51
   17.00  -73.21  268.35  -64.03  165.43
   18.00  -74.61  283.35  -67.69  171.58
   19.00  -74.86  298.35  -70.74  179.05
   20.00  -73.57  313.35  -73.14  190.99
   21.00  -70.74  328.35  -74.86  210.35
   22.00  -66.32  343.35  -75.03  239.14
   23.00  -63.42  358.35  -75.24  269.37
</PRE>


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