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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>
17 Mar 1997 14:14:28 yearsecs   6531268
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.10  221.56  -49.01  141.92
    1.00  -63.41  236.56  -50.89  152.44
    2.00  -64.05  251.56  -53.44  162.87
    3.00  -64.68  266.56  -56.33  173.33
    4.00  -64.41  281.56  -58.76  184.76
    5.00  -65.66  296.56  -62.98  194.72
    6.00  -65.98  311.56  -66.80  206.31
    7.00  -65.86  326.56  -70.48  220.37
    8.00  -66.25  341.56  -74.55  236.87
    9.00  -65.97  356.56  -77.51  261.46
   10.00  -65.55   11.56  -78.74  295.60
   11.00  -65.36   26.56  -77.39  331.17
   12.00  -65.40   41.56  -74.09  358.05
   13.00  -65.65   56.56  -70.31   17.56
   14.00  -66.13   71.56  -66.80   33.55
   15.00  -66.84   86.56  -63.76   47.91
   16.00  -67.77  101.56  -61.25   61.17
   17.00  -68.89  116.56  -59.40   73.28
   18.00  -68.88  131.56  -57.05   83.12
   19.00  -68.21  146.56  -54.65   92.27
   20.00  -66.93  161.56  -52.18  101.41
   21.00  -65.85  176.56  -50.37  111.10
   22.00  -64.71  191.56  -49.04  121.09
   23.00  -63.58  206.56  -48.39  131.38
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.37  221.56  -56.86  139.32
    1.00  -72.52  236.56  -59.28  147.58
    2.00  -73.52  251.56  -61.91  155.42
    3.00  -75.09  266.56  -65.32  161.77
    4.00  -77.73  281.56  -69.69  164.19
    5.00  -78.62  296.56  -72.75  167.86
    6.00  -77.97  311.56  -75.20  175.41
    7.00  -77.31  326.56  -78.05  183.34
    8.00  -77.90  341.56  -81.45  183.12
    9.00  -77.94  356.56  -84.72  179.64
   10.00  -78.06   11.56  -87.32  146.98
   11.00  -77.89   26.56  -86.54   80.43
   12.00  -77.60   41.56  -83.25   63.44
   13.00  -77.42   56.56  -79.59   63.40
   14.00  -77.56   71.56  -76.11   68.58
   15.00  -77.17   86.56  -72.62   72.85
   16.00  -77.07  101.56  -69.60   79.04
   17.00  -75.69  116.56  -65.88   83.25
   18.00  -75.55  131.56  -63.61   90.57
   19.00  -76.11  146.56  -62.55   98.79
   20.00  -75.44  161.56  -60.75  105.94
   21.00  -73.43  176.56  -58.02  113.17
   22.00  -72.47  191.56  -56.80  121.57
   23.00  -71.56  206.56  -56.19  130.37
</PRE>


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