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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>
26 Jun 1997 17:24:07 yearsecs  15269047
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.68  171.71  -49.37  107.48
    1.00  -66.31  186.71  -50.64  117.97
    2.00  -67.07  201.71  -51.59  127.84
    3.00  -67.77  216.71  -53.07  137.43
    4.00  -67.29  231.71  -53.94  147.39
    5.00  -67.86  246.71  -56.22  157.04
    6.00  -67.69  261.71  -58.22  167.29
    7.00  -67.97  276.71  -60.98  177.33
    8.00  -69.02  291.71  -64.83  186.31
    9.00  -69.39  306.71  -68.48  196.38
   10.00  -69.25  321.71  -72.06  208.54
   11.00  -69.00  336.71  -75.67  223.82
   12.00  -69.01  351.71  -79.33  244.29
   13.00  -69.27    6.71  -82.35  276.70
   14.00  -69.78   21.71  -83.04  324.67
   15.00  -70.53   36.71  -80.84    4.43
   16.00  -71.27   51.71  -77.37   28.10
   17.00  -71.52   66.71  -73.40   42.68
   18.00  -71.84   81.71  -69.75   54.77
   19.00  -71.49   96.71  -65.90   64.13
   20.00  -70.53  111.71  -61.91   72.27
   21.00  -69.55  126.71  -58.41   80.68
   22.00  -67.22  141.71  -54.13   88.39
   23.00  -65.63  156.71  -51.19   97.54
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.68  171.71  -54.41  109.04
    1.00  -71.31  186.71  -55.66  118.60
    2.00  -72.49  201.71  -56.96  127.42
    3.00  -78.30  216.71  -63.33  133.73
    4.00  -80.36  231.71  -66.21  138.81
    5.00  -80.91  246.71  -67.88  144.02
    6.00  -80.42  261.71  -68.98  150.51
    7.00  -79.60  276.71  -70.26  157.89
    8.00  -79.73  291.71  -72.56  162.80
    9.00  -79.82  306.71  -75.06  166.90
   10.00  -79.71  321.71  -77.69  170.44
   11.00  -79.82  336.71  -80.45  170.30
   12.00  -79.75  351.71  -83.14  165.67
   13.00  -79.25    6.71  -85.71  150.54
   14.00  -78.71   21.71  -86.57  103.93
   15.00  -78.10   36.71  -84.30   70.32
   16.00  -77.41   51.71  -80.76   62.30
   17.00  -76.58   66.71  -76.81   62.36
   18.00  -77.08   81.71  -73.61   70.56
   19.00  -76.68   96.71  -70.23   75.87
   20.00  -76.71  111.71  -67.54   82.84
   21.00  -75.06  126.71  -63.78   87.41
   22.00  -72.22  141.71  -59.18   92.44
   23.00  -70.63  156.71  -56.25  100.20
</PRE>


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