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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 Feb 1997 13:04:37 yearsecs   3416677
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.47  235.71  -50.84  151.81
    1.00  -63.58  250.71  -52.89  162.54
    2.00  -64.30  265.71  -55.85  173.01
    3.00  -65.02  280.71  -59.14  183.47
    4.00  -64.77  295.71  -62.00  195.22
    5.00  -65.96  310.71  -66.57  205.62
    6.00  -66.24  325.71  -70.59  218.76
    7.00  -66.11  340.71  -74.21  236.07
    8.00  -66.65  355.71  -78.00  258.31
    9.00  -66.26   10.71  -79.48  292.81
   10.00  -65.85   25.71  -78.09  329.80
   11.00  -65.66   40.71  -74.62  357.25
   12.00  -65.69   55.71  -70.59   16.69
   13.00  -65.95   70.71  -66.82   32.39
   14.00  -66.43   85.71  -63.54   46.48
   15.00  -67.14  100.71  -60.80   59.58
   16.00  -68.07  115.71  -58.74   71.69
   17.00  -69.16  130.71  -57.45   82.84
   18.00  -69.10  145.71  -55.64   92.34
   19.00  -68.46  160.71  -53.78  101.55
   20.00  -67.23  175.71  -51.79  110.87
   21.00  -66.16  190.71  -50.48  120.61
   22.00  -65.06  205.71  -49.78  130.65
   23.00  -63.99  220.71  -49.79  141.09
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.37  235.71  -58.12  147.81
    1.00  -72.49  250.71  -60.89  155.91
    2.00  -73.48  265.71  -63.85  163.53
    3.00  -75.51  280.71  -67.92  168.44
    4.00  -78.07  295.71  -72.29  169.19
    5.00  -78.85  310.71  -75.40  171.75
    6.00  -78.20  325.71  -78.13  178.68
    7.00  -77.61  340.71  -81.24  185.12
    8.00  -78.45  355.71  -84.39  174.70
    9.00  -78.17   10.71  -87.12  149.26
   10.00  -78.32   25.71  -86.39   88.30
   11.00  -78.12   40.71  -83.40   68.56
   12.00  -77.90   55.71  -79.89   66.17
   13.00  -77.70   70.71  -76.37   68.92
   14.00  -77.80   85.71  -73.19   74.63
   15.00  -77.42  100.71  -70.03   79.56
   16.00  -77.38  115.71  -67.48   86.00
   17.00  -76.21  130.71  -64.34   91.05
   18.00  -76.14  145.71  -62.66   98.40
   19.00  -76.49  160.71  -61.86  106.22
   20.00  -75.75  175.71  -60.39  113.50
   21.00  -73.76  190.71  -58.11  121.17
   22.00  -72.63  205.71  -57.22  129.70
   23.00  -71.63  220.71  -57.05  138.71
</PRE>


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