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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>
20 Jan 1997 13:45:12 yearsecs   1691112
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.10  223.03  -50.10  142.67
    1.00  -65.24  238.03  -52.75  152.63
    2.00  -66.22  253.03  -55.62  162.47
    3.00  -67.22  268.03  -58.82  172.09
    4.00  -67.03  283.03  -61.36  182.89
    5.00  -67.96  298.03  -65.30  192.48
    6.00  -68.22  313.03  -69.06  203.53
    7.00  -69.01  328.03  -73.47  214.85
    8.00  -70.59  343.03  -78.49  225.93
    9.00  -70.54  358.03  -82.04  250.03
   10.00  -69.77   13.03  -83.39  295.41
   11.00  -69.13   28.03  -81.37  340.86
   12.00  -68.80   43.03  -77.45    8.35
   13.00  -68.76   58.03  -73.25   26.49
   14.00  -69.02   73.03  -69.41   41.09
   15.00  -69.55   88.03  -66.11   54.19
   16.00  -70.10  103.03  -63.23   65.86
   17.00  -70.10  118.03  -60.36   75.76
   18.00  -70.15  133.03  -58.14   85.27
   19.00  -69.37  148.03  -55.69   94.00
   20.00  -68.39  163.03  -53.56  103.02
   21.00  -67.61  178.03  -52.10  112.49
   22.00  -67.04  193.03  -51.37  122.19
   23.00  -65.55  208.03  -50.38  132.15
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.10  223.03  -54.82  141.06
    1.00  -70.37  238.03  -57.46  149.84
    2.00  -71.24  253.03  -60.08  158.47
    3.00  -77.23  268.03  -67.28  159.06
    4.00  -79.30  283.03  -70.97  160.99
    5.00  -79.74  298.03  -73.58  164.75
    6.00  -79.01  313.03  -75.89  171.77
    7.00  -77.92  328.03  -78.54  180.69
    8.00  -78.00  343.03  -81.78  182.45
    9.00  -78.01  358.03  -85.01  177.74
   10.00  -77.75   13.03  -87.75  143.09
   11.00  -77.81   28.03  -86.29   76.33
   12.00  -78.08   43.03  -82.87   67.57
   13.00  -77.87   58.03  -79.34   66.44
   14.00  -77.66   73.03  -75.83   69.53
   15.00  -77.45   88.03  -72.50   74.38
   16.00  -77.24  103.03  -69.47   80.11
   17.00  -77.02  118.03  -66.82   86.36
   18.00  -78.20  133.03  -65.92   95.05
   19.00  -78.49  148.03  -64.74  102.05
   20.00  -77.62  163.03  -62.85  108.17
   21.00  -75.62  178.03  -60.19  114.67
   22.00  -72.49  193.03  -56.83  122.41
   23.00  -70.55  208.03  -55.26  131.41
</PRE>


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