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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>
27 Aug 1997 18:17:24 yearsecs  20629044
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.46  155.77  -50.06   96.32
    1.00  -65.93  170.77  -50.67  107.21
    2.00  -66.99  185.77  -51.33  117.44
    3.00  -67.87  200.77  -52.35  127.19
    4.00  -67.41  215.77  -52.66  136.91
    5.00  -67.99  230.77  -54.49  146.46
    6.00  -67.82  245.77  -56.07  156.44
    7.00  -68.04  260.77  -58.38  166.34
    8.00  -69.00  275.77  -61.70  175.47
    9.00  -69.31  290.77  -64.87  185.22
   10.00  -69.11  305.77  -68.03  196.21
   11.00  -68.93  320.77  -71.56  208.48
   12.00  -68.97  335.77  -75.41  222.86
   13.00  -69.24  350.77  -79.31  241.93
   14.00  -69.73    5.77  -82.69  272.62
   15.00  -70.44   20.77  -83.87  322.80
   16.00  -71.14   35.77  -81.65    5.51
   17.00  -71.34   50.77  -77.69   27.34
   18.00  -71.49   65.77  -73.63   41.83
   19.00  -70.76   80.77  -69.04   51.44
   20.00  -69.98   95.77  -64.71   60.64
   21.00  -69.20  110.77  -60.79   69.77
   22.00  -67.35  125.77  -56.33   77.80
   23.00  -65.60  140.77  -52.58   86.60
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.46  155.77  -55.13   98.93
    1.00  -70.93  170.77  -55.71  108.90
    2.00  -71.99  185.77  -56.35  118.14
    3.00  -77.81  200.77  -62.31  126.34
    4.00  -79.90  215.77  -64.88  132.49
    5.00  -80.42  230.77  -66.20  138.37
    6.00  -79.86  245.77  -66.87  145.16
    7.00  -78.98  260.77  -67.73  152.77
    8.00  -79.09  275.77  -69.78  158.71
    9.00  -79.09  290.77  -72.05  164.37
   10.00  -78.91  305.77  -74.52  170.02
   11.00  -79.02  320.77  -77.36  173.61
   12.00  -79.06  335.77  -80.29  175.22
   13.00  -78.65  350.77  -83.34  175.62
   14.00  -78.26    5.77  -86.36  163.09
   15.00  -77.84   20.77  -87.49   99.05
   16.00  -77.45   35.77  -84.67   63.50
   17.00  -77.10   50.77  -80.94   59.98
   18.00  -77.82   65.77  -77.54   68.03
   19.00  -77.70   80.77  -74.16   72.41
   20.00  -77.12   95.77  -70.73   76.63
   21.00  -75.26  110.77  -66.46   79.54
   22.00  -72.35  125.77  -61.32   83.31
   23.00  -70.60  140.77  -57.67   90.45
</PRE>


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