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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>
11 May 1997 21:34:51 yearsecs  11309691
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.23  103.20  -58.29   58.84
    1.00  -65.42  118.20  -55.58   70.49
    2.00  -66.38  133.20  -54.28   82.00
    3.00  -67.36  148.20  -53.64   92.78
    4.00  -67.17  163.20  -52.32  102.60
    5.00  -68.10  178.20  -52.58  112.71
    6.00  -68.38  193.20  -52.71  122.35
    7.00  -69.22  208.20  -53.97  131.74
    8.00  -70.97  223.20  -56.61  140.46
    9.00  -72.18  238.20  -59.13  148.78
   10.00  -70.91  253.20  -59.82  158.86
   11.00  -69.98  268.20  -61.25  169.32
   12.00  -69.47  283.20  -63.49  179.85
   13.00  -69.32  298.20  -66.47  190.38
   14.00  -69.49  313.20  -70.12  201.07
   15.00  -69.96  328.20  -74.25  212.46
   16.00  -70.46  343.20  -78.44  226.61
   17.00  -70.45  358.20  -82.00  250.80
   18.00  -70.49   13.20  -84.17  294.93
   19.00  -69.70   28.20  -81.95  342.94
   20.00  -68.74   43.20  -77.34    8.41
   21.00  -67.83   58.20  -72.24   24.22
   22.00  -67.25   73.20  -67.57   37.29
   23.00  -66.38   88.20  -62.89   48.47
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.63  103.20  -65.56   70.38
    1.00  -73.71  118.20  -63.80   80.88
    2.00  -74.45  133.20  -62.36   90.03
    3.00  -79.42  148.20  -65.63  103.23
    4.00  -81.13  163.20  -66.35  111.09
    5.00  -81.48  178.20  -66.18  117.10
    6.00  -80.82  193.20  -65.33  122.85
    7.00  -79.78  208.20  -64.49  129.29
    8.00  -79.61  223.20  -64.96  135.87
    9.00  -79.12  238.20  -65.54  142.84
   10.00  -79.69  253.20  -67.46  148.45
   11.00  -80.52  268.20  -69.81  152.67
   12.00  -81.38  283.20  -72.25  155.30
   13.00  -80.97  298.20  -74.15  160.51
   14.00  -80.67  313.20  -76.41  164.69
   15.00  -80.39  328.20  -78.91  167.35
   16.00  -80.12  343.20  -81.55  166.89
   17.00  -79.86  358.20  -84.11  158.97
   18.00  -80.70   13.20  -84.70  129.78
   19.00  -80.87   28.20  -83.92  104.20
   20.00  -80.11   43.20  -82.31   84.22
   21.00  -78.44   58.20  -79.41   69.86
   22.00  -75.74   73.20  -74.78   61.81
   23.00  -73.97   88.20  -69.97   64.41
</PRE>


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