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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>
03 Apr 1997 20:50:31 yearsecs   8023831
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.01  118.23  -55.15   70.08
    1.00  -66.02  133.23  -53.90   81.72
    2.00  -66.83  148.23  -53.09   92.46
    3.00  -67.63  163.23  -52.79  102.81
    4.00  -67.23  178.23  -51.71  112.53
    5.00  -67.86  193.23  -52.19  122.35
    6.00  -67.74  208.23  -52.52  131.98
    7.00  -67.90  223.23  -53.70  141.60
    8.00  -68.81  238.23  -56.05  150.89
    9.00  -69.03  253.23  -58.15  160.48
   10.00  -68.79  268.23  -60.23  170.63
   11.00  -68.59  283.23  -62.75  181.06
   12.00  -68.63  298.23  -65.91  191.55
   13.00  -68.89  313.23  -69.65  202.35
   14.00  -69.37  328.23  -73.80  214.10
   15.00  -70.08  343.23  -78.15  228.08
   16.00  -70.80  358.23  -82.31  249.18
   17.00  -71.11   13.23  -84.85  293.91
   18.00  -71.19   28.23  -83.48  348.84
   19.00  -70.58   43.23  -79.14   14.96
   20.00  -69.73   58.23  -74.13   29.46
   21.00  -68.90   73.23  -69.24   40.98
   22.00  -68.01   88.23  -64.55   51.36
   23.00  -66.28  103.23  -59.38   60.28
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.01  118.23  -60.23   75.77
    1.00  -71.13  133.23  -59.09   86.36
    2.00  -71.94  148.23  -58.26   96.01
    3.00  -77.37  163.23  -62.59  108.09
    4.00  -79.40  178.23  -64.05  116.17
    5.00  -79.77  193.23  -64.25  122.81
    6.00  -79.01  208.23  -63.72  129.55
    7.00  -77.98  223.23  -63.37  136.97
    8.00  -78.08  238.23  -64.58  143.93
    9.00  -77.93  253.23  -65.97  151.06
   10.00  -77.70  268.23  -67.67  158.31
   11.00  -77.60  283.23  -69.87  165.21
   12.00  -77.92  298.23  -72.65  170.64
   13.00  -77.77  313.23  -75.44  176.78
   14.00  -77.67  328.23  -78.51  182.03
   15.00  -77.50  343.23  -81.79  186.18
   16.00  -77.46  358.23  -85.21  184.23
   17.00  -77.28   13.23  -88.24  147.83
   18.00  -78.30   28.23  -85.97   82.62
   19.00  -78.47   43.23  -82.78   70.93
   20.00  -77.62   58.23  -79.24   65.00
   21.00  -75.72   73.23  -74.76   61.75
   22.00  -73.01   88.23  -69.17   61.99
   23.00  -71.28  103.23  -64.31   67.98
</PRE>


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