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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 14:54:00 yearsecs  15605640
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.50  216.86  -50.90  138.08
    1.00  -65.64  231.86  -52.42  148.21
    2.00  -66.54  246.86  -55.05  158.00
    3.00  -67.45  261.86  -58.03  167.61
    4.00  -67.18  276.86  -60.33  178.33
    5.00  -68.01  291.86  -64.00  187.93
    6.00  -68.17  306.86  -67.52  198.76
    7.00  -68.85  321.86  -71.77  209.62
    8.00  -70.26  336.86  -76.68  220.10
    9.00  -70.07  351.86  -80.25  240.59
   10.00  -69.47    6.86  -82.58  276.55
   11.00  -68.98   21.86  -82.14  323.84
   12.00  -68.78   36.86  -79.04  358.35
   13.00  -68.85   51.86  -75.06   19.97
   14.00  -69.19   66.86  -71.23   36.13
   15.00  -69.80   81.86  -67.87   50.03
   16.00  -70.39   96.86  -64.85   62.15
   17.00  -70.46  111.86  -61.81   72.26
   18.00  -70.55  126.86  -59.39   81.86
   19.00  -69.82  141.86  -56.76   90.47
   20.00  -68.92  156.86  -54.50   99.32
   21.00  -68.16  171.86  -52.87  108.63
   22.00  -67.56  186.86  -51.89  118.22
   23.00  -66.67  201.86  -51.21  127.96
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.89  216.86  -58.98  135.67
    1.00  -75.01  231.86  -61.15  143.28
    2.00  -75.82  246.86  -63.39  150.50
    3.00  -80.46  261.86  -69.03  150.48
    4.00  -82.11  276.86  -71.89  151.44
    5.00  -82.55  291.86  -73.92  153.53
    6.00  -82.14  306.86  -75.77  157.44
    7.00  -81.52  321.86  -77.89  161.34
    8.00  -81.75  336.86  -80.09  158.28
    9.00  -81.59  351.86  -82.16  152.26
   10.00  -81.25    6.86  -83.86  138.47
   11.00  -81.15   21.86  -84.10  114.84
   12.00  -81.22   36.86  -82.66   96.64
   13.00  -80.95   51.86  -80.52   86.34
   14.00  -80.68   66.86  -77.91   82.90
   15.00  -80.42   81.86  -75.17   83.37
   16.00  -80.17   96.86  -72.51   86.07
   17.00  -79.91  111.86  -70.06   90.08
   18.00  -80.75  126.86  -68.84   97.15
   19.00  -80.91  141.86  -67.54  102.79
   20.00  -80.16  156.86  -65.73  107.63
   21.00  -78.64  171.86  -63.47  112.94
   22.00  -76.27  186.86  -60.69  119.41
   23.00  -74.87  201.86  -59.35  127.25
</PRE>


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