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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>
24 Jun 1997 00:42:25 yearsecs  15036145
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.07   58.45  -66.72   14.98
    1.00  -63.46   73.45  -63.26   30.54
    2.00  -64.06   88.45  -60.31   44.96
    3.00  -64.64  103.45  -57.61   58.27
    4.00  -64.35  118.45  -54.42   69.58
    5.00  -65.60  133.45  -53.44   81.54
    6.00  -65.87  148.45  -52.09   92.03
    7.00  -65.72  163.45  -50.84  102.17
    8.00  -66.47  178.45  -50.94  112.51
    9.00  -66.42  193.45  -50.77  122.44
   10.00  -65.83  208.45  -50.67  132.40
   11.00  -65.57  223.45  -51.52  142.51
   12.00  -65.56  238.45  -53.10  152.76
   13.00  -65.78  253.45  -55.28  163.07
   14.00  -66.24  268.45  -58.02  173.32
   15.00  -66.92  283.45  -61.34  183.34
   16.00  -67.83  298.45  -65.28  193.00
   17.00  -68.94  313.45  -69.75  202.42
   18.00  -68.93  328.45  -73.52  215.44
   19.00  -68.25  343.45  -76.73  234.29
   20.00  -66.94  358.45  -78.79  263.02
   21.00  -65.83   13.45  -79.06  300.11
   22.00  -64.68   28.45  -76.26  334.37
   23.00  -63.54   43.45  -71.38  357.70
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.65   58.45  -78.45   54.02
    1.00  -76.60   73.45  -75.21   65.29
    2.00  -77.39   88.45  -72.38   74.36
    3.00  -78.44  103.45  -70.29   83.30
    4.00  -80.33  118.45  -69.50   93.36
    5.00  -81.40  133.45  -68.73  100.69
    6.00  -81.32  148.45  -67.41  105.80
    7.00  -80.93  163.45  -66.14  111.01
    8.00  -81.49  178.45  -66.19  117.20
    9.00  -81.18  193.45  -65.70  122.97
   10.00  -81.15  208.45  -65.90  128.91
   11.00  -80.94  223.45  -66.27  134.97
   12.00  -80.61  238.45  -66.93  141.24
   13.00  -80.39  253.45  -68.08  147.42
   14.00  -80.43  268.45  -69.77  152.97
   15.00  -80.04  283.45  -71.50  159.16
   16.00  -79.87  298.45  -73.71  164.43
   17.00  -78.66  313.45  -75.84  173.33
   18.00  -78.43  328.45  -78.75  178.07
   19.00  -78.92  343.45  -81.83  175.60
   20.00  -78.46  358.45  -84.92  172.17
   21.00  -76.95   13.45  -88.58  152.16
   22.00  -76.31   28.45  -86.65   50.08
   23.00  -75.71   43.45  -82.49   46.85
</PRE>


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