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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 23:44:08 yearsecs  18315848
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.74   73.98  -61.04   28.38
    1.00  -62.31   88.98  -58.21   42.89
    2.00  -62.89  103.98  -55.62   56.52
    3.00  -63.46  118.98  -53.40   69.11
    4.00  -62.94  133.98  -50.62   79.90
    5.00  -64.15  148.98  -50.28   91.41
    6.00  -64.71  163.98  -49.78  102.14
    7.00  -64.77  178.98  -49.22  112.50
    8.00  -65.28  193.98  -49.64  122.75
    9.00  -65.19  208.98  -50.08  132.84
   10.00  -64.74  223.98  -50.79  143.13
   11.00  -64.48  238.98  -52.17  153.66
   12.00  -64.47  253.98  -54.18  164.34
   13.00  -64.71  268.98  -56.76  175.08
   14.00  -65.18  283.98  -59.92  185.75
   15.00  -65.88  298.98  -63.72  196.30
   16.00  -66.80  313.98  -68.11  206.96
   17.00  -67.96  328.98  -72.87  218.36
   18.00  -67.97  343.98  -76.62  235.81
   19.00  -67.29  358.98  -79.22  263.26
   20.00  -65.88   13.98  -79.12  301.42
   21.00  -64.74   28.98  -76.23  335.48
   22.00  -63.43   43.98  -71.10  358.25
   23.00  -62.24   58.98  -65.54   14.25
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.15   73.98  -72.79   53.20
    1.00  -74.11   88.98  -69.90   65.21
    2.00  -75.03  103.98  -67.51   75.56
    3.00  -75.92  118.98  -65.71   84.85
    4.00  -78.20  133.98  -65.81   95.47
    5.00  -79.18  148.98  -65.33  103.27
    6.00  -78.84  163.98  -64.02  109.50
    7.00  -78.41  178.98  -63.01  116.11
    8.00  -78.93  193.98  -63.39  123.11
    9.00  -78.65  208.98  -63.37  130.01
   10.00  -78.63  223.98  -64.05  136.89
   11.00  -78.43  238.98  -64.97  143.92
   12.00  -78.10  253.98  -66.19  151.18
   13.00  -77.95  268.98  -67.98  158.18
   14.00  -77.99  283.98  -70.26  164.61
   15.00  -77.57  298.98  -72.59  171.97
   16.00  -77.41  313.98  -75.43  178.42
   17.00  -76.07  328.98  -78.13  190.25
   18.00  -75.85  343.98  -81.65  198.44
   19.00  -76.43  358.98  -85.50  197.45
   20.00  -75.95   13.98  -89.40  196.81
   21.00  -74.31   28.98  -85.91   17.18
   22.00  -73.82   43.98  -81.44   33.06
   23.00  -73.05   58.98  -76.73   42.07
</PRE>


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