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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 13:43:28 yearsecs   1691008
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.10  223.45  -50.14  142.96
    1.00  -65.21  238.45  -52.78  152.94
    2.00  -66.20  253.45  -55.66  162.78
    3.00  -67.21  268.45  -58.88  172.40
    4.00  -67.03  283.45  -61.44  183.20
    5.00  -67.97  298.45  -65.40  192.77
    6.00  -68.25  313.45  -69.19  203.80
    7.00  -69.08  328.45  -73.63  215.08
    8.00  -70.71  343.45  -78.69  225.98
    9.00  -70.62  358.45  -82.21  250.54
   10.00  -69.82   13.45  -83.45  296.79
   11.00  -69.15   28.45  -81.32  341.94
   12.00  -68.80   43.45  -77.34    8.97
   13.00  -68.76   58.45  -73.12   26.90
   14.00  -69.00   73.45  -69.28   41.41
   15.00  -69.53   88.45  -65.99   54.47
   16.00  -70.08  103.45  -63.12   66.11
   17.00  -70.08  118.45  -60.26   76.00
   18.00  -70.13  133.45  -58.06   85.51
   19.00  -69.34  148.45  -55.62   94.25
   20.00  -68.36  163.45  -53.51  103.28
   21.00  -67.58  178.45  -52.06  112.76
   22.00  -67.01  193.45  -51.35  122.46
   23.00  -65.55  208.45  -50.40  132.43
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.10  223.45  -54.86  141.32
    1.00  -70.37  238.45  -57.50  150.10
    2.00  -71.23  253.45  -60.14  158.73
    3.00  -77.23  268.45  -67.33  159.26
    4.00  -79.30  283.45  -71.04  161.15
    5.00  -79.74  298.45  -73.65  164.88
    6.00  -79.01  313.45  -75.97  171.89
    7.00  -77.92  328.45  -78.63  180.81
    8.00  -78.00  343.45  -81.87  182.47
    9.00  -78.00  358.45  -85.10  177.39
   10.00  -77.75   13.45  -87.79  140.74
   11.00  -77.81   28.45  -86.21   75.57
   12.00  -78.08   43.45  -82.77   67.47
   13.00  -77.87   58.45  -79.25   66.51
   14.00  -77.66   73.45  -75.74   69.67
   15.00  -77.45   88.45  -72.42   74.55
   16.00  -77.24  103.45  -69.40   80.29
   17.00  -77.02  118.45  -66.76   86.55
   18.00  -78.20  133.45  -65.87   95.23
   19.00  -78.49  148.45  -64.70  102.24
   20.00  -77.62  163.45  -62.82  108.37
   21.00  -75.62  178.45  -60.18  114.89
   22.00  -72.49  193.45  -56.83  122.66
   23.00  -70.55  208.45  -55.28  131.67
</PRE>


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