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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>
19 Jul 1997 02:22:46 yearsecs  17202166
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.81   36.25  -71.08  345.09
    1.00  -62.39   51.25  -67.82    5.87
    2.00  -62.97   66.25  -64.52   22.82
    3.00  -63.55   81.25  -61.44   37.84
    4.00  -63.05   96.25  -57.43   50.22
    5.00  -64.27  111.25  -55.66   63.98
    6.00  -64.86  126.25  -53.69   75.81
    7.00  -64.98  141.25  -51.89   86.51
    8.00  -65.50  156.25  -51.09   97.15
    9.00  -64.98  171.25  -49.70  107.25
   10.00  -64.57  186.25  -48.90  117.45
   11.00  -64.38  201.25  -48.93  127.67
   12.00  -64.41  216.25  -49.82  137.91
   13.00  -64.67  231.25  -51.46  148.17
   14.00  -65.16  246.25  -53.72  158.41
   15.00  -65.86  261.25  -56.53  168.52
   16.00  -66.80  276.25  -59.88  178.32
   17.00  -67.95  291.25  -63.82  187.58
   18.00  -67.97  306.25  -67.20  198.64
   19.00  -67.29  321.25  -70.35  212.42
   20.00  -65.88  336.25  -72.93  230.98
   21.00  -64.78  351.25  -75.33  254.42
   22.00  -63.48    6.25  -76.22  285.33
   23.00  -62.30   21.25  -74.57  318.40
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.46   36.25  -80.88    3.27
    1.00  -71.47   51.25  -77.67   28.41
    2.00  -72.44   66.25  -74.28   45.37
    3.00  -73.39   81.25  -71.15   58.62
    4.00  -75.97   96.25  -69.79   73.82
    5.00  -77.03  111.25  -67.89   83.29
    6.00  -76.51  126.25  -65.20   89.33
    7.00  -75.93  141.25  -62.89   95.94
    8.00  -76.90  156.25  -62.56  104.33
    9.00  -76.74  171.25  -61.57  111.66
   10.00  -76.77  186.25  -61.20  119.18
   11.00  -76.58  201.25  -61.07  126.73
   12.00  -76.25  216.25  -61.27  134.43
   13.00  -76.14  231.25  -62.17  142.17
   14.00  -76.23  246.25  -63.69  149.75
   15.00  -75.80  261.25  -65.16  157.96
   16.00  -75.66  276.25  -67.29  165.87
   17.00  -74.20  291.25  -68.85  176.71
   18.00  -73.98  306.25  -71.81  185.65
   19.00  -74.62  321.25  -75.62  192.28
   20.00  -74.00  336.25  -78.93  204.44
   21.00  -72.05  351.25  -81.61  230.11
   22.00  -71.41    6.25  -84.40  266.99
   23.00  -70.44   21.25  -83.82  324.44
</PRE>


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