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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>
09 Aug 1997 21:56:58 yearsecs  19087018
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.80  100.40  -58.43   56.02
    1.00  -64.13  115.40  -54.74   67.04
    2.00  -65.19  130.40  -53.43   79.07
    3.00  -66.25  145.40  -52.77   90.20
    4.00  -66.06  160.40  -51.37  100.24
    5.00  -67.01  175.40  -51.58  110.61
    6.00  -67.12  190.40  -51.44  120.48
    7.00  -66.93  205.40  -51.60  130.25
    8.00  -67.56  220.40  -53.15  139.88
    9.00  -67.23  235.40  -54.29  149.87
   10.00  -67.23  250.40  -56.15  159.95
   11.00  -66.91  265.40  -58.12  170.54
   12.00  -66.89  280.40  -60.73  181.18
   13.00  -67.12  295.40  -64.00  191.80
   14.00  -67.58  310.40  -67.89  202.59
   15.00  -68.28  325.40  -72.22  214.12
   16.00  -69.21  340.40  -76.76  227.50
   17.00  -70.17  355.40  -81.15  246.44
   18.00  -69.94   10.40  -83.42  286.24
   19.00  -69.40   25.40  -82.13  334.73
   20.00  -68.35   40.40  -77.68    3.02
   21.00  -67.33   55.40  -72.49   19.97
   22.00  -66.33   70.40  -67.32   32.87
   23.00  -65.49   85.40  -62.60   44.61
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.17  100.40  -63.86   64.18
    1.00  -71.24  115.40  -61.92   75.61
    2.00  -72.26  130.40  -60.58   85.91
    3.00  -76.28  145.40  -62.83   98.39
    4.00  -78.64  160.40  -64.02  107.74
    5.00  -79.04  175.40  -63.75  114.75
    6.00  -78.35  190.40  -62.79  121.42
    7.00  -77.77  205.40  -62.37  128.57
    8.00  -78.26  220.40  -63.48  135.47
    9.00  -77.95  235.40  -64.22  142.73
   10.00  -78.04  250.40  -65.75  149.61
   11.00  -77.83  265.40  -67.39  156.79
   12.00  -77.90  280.40  -69.63  163.30
   13.00  -77.64  295.40  -71.98  170.31
   14.00  -77.65  310.40  -74.82  176.20
   15.00  -77.32  325.40  -77.80  182.91
   16.00  -77.53  340.40  -81.16  185.64
   17.00  -77.08  355.40  -84.60  189.85
   18.00  -77.36   10.40  -87.78  162.43
   19.00  -77.03   25.40  -87.24   68.03
   20.00  -76.00   40.40  -83.40   48.02
   21.00  -73.98   55.40  -78.35   43.60
   22.00  -72.17   70.40  -72.95   47.58
   23.00  -70.72   85.40  -67.85   54.73
</PRE>


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