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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>
13 Mar 1997 01:18:56 yearsecs   6139136
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.58   55.00  -67.04   10.45
    1.00  -63.72   70.00  -64.45   27.70
    2.00  -64.60   85.00  -61.73   42.81
    3.00  -67.37  100.00  -61.18   59.38
    4.00  -67.02  115.00  -57.80   69.94
    5.00  -67.73  130.00  -56.09   81.02
    6.00  -67.66  145.00  -54.25   90.87
    7.00  -67.74  160.00  -53.09  100.74
    8.00  -68.54  175.00  -53.13  110.77
    9.00  -68.67  190.00  -52.98  120.34
   10.00  -68.38  205.00  -53.00  129.84
   11.00  -68.19  220.00  -53.71  139.43
   12.00  -68.22  235.00  -55.15  149.11
   13.00  -68.48  250.00  -57.22  158.78
   14.00  -68.97  265.00  -59.85  168.30
   15.00  -69.67  280.00  -63.05  177.44
   16.00  -70.45  295.00  -66.70  186.21
   17.00  -70.92  310.00  -70.46  195.55
   18.00  -70.91  325.00  -74.14  206.98
   19.00  -70.33  340.00  -77.53  223.31
   20.00  -69.43  355.00  -80.43  248.63
   21.00  -68.56   10.00  -81.93  287.81
   22.00  -65.94   25.00  -78.30  328.31
   23.00  -63.90   40.00  -72.72  353.30
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.58   55.00  -72.87   20.13
    1.00  -68.72   70.00  -69.92   37.75
    2.00  -69.60   85.00  -66.90   51.99
    3.00  -75.36  100.00  -68.56   74.22
    4.00  -77.68  115.00  -67.84   86.28
    5.00  -78.01  130.00  -66.10   93.43
    6.00  -77.06  145.00  -63.62   99.04
    7.00  -76.20  160.00  -61.61  105.66
    8.00  -76.22  175.00  -60.90  113.32
    9.00  -76.25  190.00  -60.65  121.01
   10.00  -76.37  205.00  -60.94  128.66
   11.00  -76.38  220.00  -61.61  136.28
   12.00  -76.72  235.00  -63.04  143.61
   13.00  -76.56  250.00  -64.40  151.27
   14.00  -76.52  265.00  -66.27  158.78
   15.00  -76.32  280.00  -68.41  166.48
   16.00  -76.39  295.00  -71.12  173.50
   17.00  -76.19  310.00  -73.99  181.08
   18.00  -77.14  325.00  -77.65  183.62
   19.00  -77.17  340.00  -81.01  187.97
   20.00  -76.12  355.00  -84.47  200.60
   21.00  -73.88   10.00  -87.29  261.27
   22.00  -70.94   25.00  -83.84  338.33
   23.00  -68.90   40.00  -78.37    4.04
</PRE>


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