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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>
30 Jun 1997 11:30:26 yearsecs  15593426
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.67  261.33  -48.05  174.77
    1.00  -58.12  276.33  -52.05  186.09
    2.00  -59.05  291.33  -55.83  197.84
    3.00  -67.15  306.33  -66.53  200.10
    4.00  -67.58  321.33  -70.61  211.90
    5.00  -68.25  336.33  -74.97  225.48
    6.00  -68.30  351.33  -78.62  245.97
    7.00  -68.19    6.33  -81.19  278.38
    8.00  -68.48   21.33  -81.64  321.67
    9.00  -68.64   36.33  -79.03  356.99
   10.00  -68.45   51.33  -74.81   18.21
   11.00  -68.68   66.33  -70.87   34.35
   12.00  -68.94   81.33  -67.18   47.75
   13.00  -69.04   96.33  -63.67   59.37
   14.00  -68.90  111.33  -60.38   69.74
   15.00  -68.75  126.33  -57.66   79.59
   16.00  -68.60  141.33  -55.58   89.17
   17.00  -68.39  156.33  -54.01   98.69
   18.00  -69.78  171.33  -54.53  108.84
   19.00  -70.05  186.33  -54.39  118.20
   20.00  -68.79  201.33  -53.27  127.49
   21.00  -66.02  216.33  -51.36  137.61
   22.00  -61.69  231.33  -48.66  149.36
   23.00  -58.87  246.33  -47.87  161.77
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.67  261.33  -52.75  171.68
    1.00  -63.12  276.33  -56.63  182.01
    2.00  -64.05  291.33  -60.41  192.67
    3.00  -72.15  306.33  -70.53  190.25
    4.00  -74.88  321.33  -75.78  191.39
    5.00  -75.22  336.33  -79.54  198.25
    6.00  -74.54  351.33  -83.05  213.23
    7.00  -73.19    6.33  -86.00  254.07
    8.00  -73.48   21.33  -87.00  339.16
    9.00  -73.64   36.33  -83.49   22.76
   10.00  -73.45   51.33  -79.14   37.66
   11.00  -73.68   66.33  -75.19   49.93
   12.00  -74.19   81.33  -71.75   60.99
   13.00  -74.04   96.33  -68.23   69.25
   14.00  -73.90  111.33  -65.15   77.37
   15.00  -73.75  126.33  -62.59   85.42
   16.00  -73.60  141.33  -60.59   93.52
   17.00  -73.39  156.33  -59.04  101.72
   18.00  -74.78  171.33  -59.58  110.78
   19.00  -75.05  186.33  -59.44  118.93
   20.00  -73.79  201.33  -58.25  127.08
   21.00  -71.02  216.33  -56.16  136.31
   22.00  -66.69  231.33  -53.34  147.40
   23.00  -63.87  246.33  -52.56  159.20
</PRE>


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