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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>
11 Dec 1997 22:03:32 yearsecs  29801012
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.51  103.56  -55.29   55.71
    1.00  -63.05  118.56  -53.03   68.38
    2.00  -63.60  133.56  -51.35   80.07
    3.00  -64.14  148.56  -50.30   91.10
    4.00  -63.80  163.56  -48.89  101.50
    5.00  -65.11  178.56  -49.57  112.28
    6.00  -65.51  193.56  -49.86  122.47
    7.00  -65.44  208.56  -50.30  132.52
    8.00  -66.13  223.56  -52.06  142.40
    9.00  -65.49  238.56  -53.05  152.87
   10.00  -65.14  253.56  -54.72  163.59
   11.00  -64.89  268.56  -56.85  174.61
   12.00  -64.92  283.56  -59.61  185.71
   13.00  -65.18  298.56  -63.01  196.92
   14.00  -65.66  313.56  -67.02  208.54
   15.00  -66.37  328.56  -71.43  221.40
   16.00  -67.30  343.56  -75.95  237.02
   17.00  -68.46  358.56  -80.27  259.10
   18.00  -68.49   13.56  -82.00  298.50
   19.00  -67.80   28.56  -79.81  339.02
   20.00  -66.45   43.56  -74.78    3.05
   21.00  -65.35   58.56  -69.41   19.12
   22.00  -64.15   73.56  -64.04   31.77
   23.00  -62.96   88.56  -59.05   43.43
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.50  103.56  -63.51   66.88
    1.00  -71.68  118.56  -61.81   78.17
    2.00  -72.70  133.56  -60.61   88.22
    3.00  -73.76  148.56  -60.05   97.67
    4.00  -76.57  163.56  -61.77  107.71
    5.00  -77.62  178.56  -62.22  115.63
    6.00  -76.96  193.56  -61.36  122.85
    7.00  -76.21  208.56  -60.90  130.51
    8.00  -77.20  223.56  -62.63  137.60
    9.00  -76.84  238.56  -63.47  145.28
   10.00  -76.83  253.56  -65.06  152.69
   11.00  -76.72  268.56  -66.95  160.18
   12.00  -76.37  283.56  -69.05  168.10
   13.00  -76.24  298.56  -71.70  175.57
   14.00  -76.44  313.56  -74.87  181.86
   15.00  -76.03  328.56  -78.01  190.28
   16.00  -75.89  343.56  -81.55  197.99
   17.00  -74.26  358.56  -84.81  224.08
   18.00  -74.05   13.56  -87.98  282.47
   19.00  -74.86   28.56  -86.31   24.24
   20.00  -74.27   43.56  -81.83   35.78
   21.00  -72.23   58.56  -76.23   38.42
   22.00  -71.50   73.56  -71.55   47.95
   23.00  -70.62   88.56  -66.99   56.77
</PRE>


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