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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>
31 Aug 1997 12:26:32 yearsecs  20953592
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.88  246.77  -54.45  158.34
    1.00  -65.56  261.77  -56.34  169.14
    2.00  -66.45  276.77  -59.67  179.06
    3.00  -67.34  291.77  -63.41  188.81
    4.00  -67.00  306.77  -66.51  200.70
    5.00  -67.71  321.77  -70.83  212.03
    6.00  -67.65  336.77  -74.58  227.53
    7.00  -67.81  351.77  -78.28  248.19
    8.00  -68.57    6.77  -81.63  278.69
    9.00  -68.64   21.77  -81.77  323.12
   10.00  -68.35   36.77  -78.60  356.93
   11.00  -68.16   51.77  -74.38   17.92
   12.00  -68.19   66.77  -70.26   33.56
   13.00  -68.45   81.77  -66.58   47.07
   14.00  -68.93   96.77  -63.47   59.50
   15.00  -69.64  111.77  -61.03   71.05
   16.00  -70.42  126.77  -59.28   81.66
   17.00  -70.91  141.77  -57.86   91.32
   18.00  -70.89  156.77  -56.50  100.39
   19.00  -70.31  171.77  -55.04  109.30
   20.00  -69.41  186.77  -53.74  118.39
   21.00  -68.54  201.77  -53.04  127.78
   22.00  -67.77  216.77  -53.07  137.47
   23.00  -66.89  231.77  -53.58  147.61
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.80  246.77  -59.77  154.17
    1.00  -72.85  261.77  -62.72  162.05
    2.00  -73.69  276.77  -65.81  169.54
    3.00  -78.38  291.77  -71.79  166.78
    4.00  -80.20  306.77  -75.21  165.40
    5.00  -80.67  321.77  -77.83  165.62
    6.00  -80.06  336.77  -80.43  168.77
    7.00  -79.31  351.77  -83.33  169.27
    8.00  -79.54    6.77  -85.46  148.12
    9.00  -79.43   21.77  -85.85  108.49
   10.00  -79.41   36.77  -83.78   83.10
   11.00  -79.31   51.77  -80.84   75.51
   12.00  -79.48   66.77  -77.77   76.64
   13.00  -79.26   81.77  -74.72   78.67
   14.00  -79.14   96.77  -71.91   82.83
   15.00  -78.90  111.77  -69.31   87.63
   16.00  -78.88  126.77  -67.26   93.54
   17.00  -78.64  141.77  -65.43   99.49
   18.00  -79.33  156.77  -64.93  106.77
   19.00  -79.29  171.77  -64.13  113.26
   20.00  -78.42  186.77  -62.89  119.74
   21.00  -76.62  201.77  -61.13  126.98
   22.00  -74.30  216.77  -59.39  135.47
   23.00  -72.75  231.77  -59.02  144.66
</PRE>


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