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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>
10 Jan 1997 14:05:30 yearsecs    828330
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.10  216.71  -43.77  139.52
    1.00  -58.61  231.71  -45.75  150.71
    2.00  -59.11  246.71  -48.15  161.95
    3.00  -59.62  261.71  -50.91  173.31
    4.00  -59.40  276.71  -53.31  185.43
    5.00  -60.29  291.71  -57.06  196.98
    6.00  -61.88  306.71  -61.92  207.95
    7.00  -63.08  321.71  -66.76  220.18
    8.00  -63.12  336.71  -70.52  236.66
    9.00  -62.52  351.71  -73.21  258.97
   10.00  -62.07    6.71  -74.73  287.62
   11.00  -61.88   21.71  -74.02  319.25
   12.00  -61.91   36.71  -71.10  345.90
   13.00  -62.17   51.71  -67.43    6.10
   14.00  -62.65   66.71  -64.01   22.77
   15.00  -63.36   81.71  -61.11   37.95
   16.00  -64.29   96.71  -58.69   52.30
   17.00  -65.45  111.71  -56.80   65.68
   18.00  -65.57  126.71  -54.35   76.77
   19.00  -64.51  141.71  -51.35   86.51
   20.00  -62.87  156.71  -48.37   96.25
   21.00  -61.71  171.71  -46.37  106.65
   22.00  -59.99  186.71  -44.33  117.25
   23.00  -58.88  201.71  -43.55  128.24
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.49  216.71  -54.71  136.97
    1.00  -70.30  231.71  -56.73  145.96
    2.00  -71.21  246.71  -59.23  154.61
    3.00  -71.77  261.71  -61.78  163.25
    4.00  -73.07  276.71  -65.30  170.48
    5.00  -74.35  291.71  -69.06  176.63
    6.00  -74.50  306.71  -72.25  184.52
    7.00  -73.55  321.71  -75.09  196.31
    8.00  -73.73  336.71  -78.91  206.05
    9.00  -74.00  351.71  -82.90  217.88
   10.00  -73.65    6.71  -86.44  250.21
   11.00  -73.35   21.71  -86.82  339.85
   12.00  -73.14   36.71  -83.05   19.40
   13.00  -73.06   51.71  -78.77   36.02
   14.00  -73.06   66.71  -74.63   47.88
   15.00  -72.77   81.71  -70.54   57.21
   16.00  -72.99   96.71  -67.24   67.16
   17.00  -72.66  111.71  -63.94   75.51
   18.00  -72.37  126.71  -61.21   83.89
   19.00  -72.01  141.71  -58.97   92.24
   20.00  -71.60  156.71  -57.22  100.78
   21.00  -70.43  171.71  -55.17  109.30
   22.00  -70.39  186.71  -54.73  118.47
   23.00  -69.26  201.71  -53.75  127.69
</PRE>


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