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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 Jul 1997 23:45:10 yearsecs  18315910
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.74   73.73  -61.10   28.14
    1.00  -62.31   88.73  -58.26   42.67
    2.00  -62.89  103.73  -55.67   56.31
    3.00  -63.46  118.73  -53.44   68.91
    4.00  -62.94  133.73  -50.65   79.71
    5.00  -64.15  148.73  -50.30   91.23
    6.00  -64.71  163.73  -49.80  101.96
    7.00  -64.78  178.73  -49.23  112.33
    8.00  -65.31  193.73  -49.66  122.58
    9.00  -65.17  208.73  -50.05  132.67
   10.00  -64.73  223.73  -50.76  142.96
   11.00  -64.47  238.73  -52.13  153.49
   12.00  -64.47  253.73  -54.14  164.16
   13.00  -64.71  268.73  -56.71  174.90
   14.00  -65.18  283.73  -59.87  185.57
   15.00  -65.87  298.73  -63.66  196.11
   16.00  -66.80  313.73  -68.04  206.75
   17.00  -67.95  328.73  -72.80  218.11
   18.00  -67.97  343.73  -76.56  235.48
   19.00  -67.28  358.73  -79.17  262.75
   20.00  -65.87   13.73  -79.12  300.79
   21.00  -64.74   28.73  -76.28  334.99
   22.00  -63.42   43.73  -71.16  357.91
   23.00  -62.24   58.73  -65.60   13.99
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.13   73.73  -72.84   52.99
    1.00  -74.09   88.73  -69.94   65.03
    2.00  -75.01  103.73  -67.54   75.39
    3.00  -75.91  118.73  -65.73   84.70
    4.00  -78.18  133.73  -65.82   95.33
    5.00  -79.16  148.73  -65.33  103.14
    6.00  -78.82  163.73  -64.01  109.38
    7.00  -78.38  178.73  -62.99  115.99
    8.00  -78.92  193.73  -63.38  123.00
    9.00  -78.65  208.73  -63.37  129.89
   10.00  -78.63  223.73  -64.03  136.78
   11.00  -78.42  238.73  -64.95  143.81
   12.00  -78.09  253.73  -66.16  151.07
   13.00  -77.95  268.73  -67.94  158.08
   14.00  -77.99  283.73  -70.21  164.53
   15.00  -77.56  298.73  -72.54  171.90
   16.00  -77.40  313.73  -75.38  178.36
   17.00  -76.06  328.73  -78.07  190.18
   18.00  -75.84  343.73  -81.58  198.37
   19.00  -76.43  358.73  -85.44  197.56
   20.00  -75.94   13.73  -89.34  199.19
   21.00  -74.30   28.73  -85.97   16.51
   22.00  -73.81   43.73  -81.51   32.74
   23.00  -73.04   58.73  -76.79   41.82
</PRE>


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