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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>
27 Aug 1997 23:19:18 yearsecs  20647158
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.39   80.31  -64.83   41.84
    1.00  -66.54   95.31  -61.38   54.47
    2.00  -67.41  110.31  -59.08   67.05
    3.00  -68.27  125.31  -57.34   78.43
    4.00  -67.99  140.31  -55.08   88.04
    5.00  -68.75  155.31  -54.45   98.23
    6.00  -68.82  170.31  -53.61  107.86
    7.00  -69.34  185.31  -53.69  117.47
    8.00  -70.63  200.31  -55.07  126.74
    9.00  -70.47  215.31  -55.56  135.85
   10.00  -70.14  230.31  -56.44  145.17
   11.00  -69.78  245.31  -57.78  154.80
   12.00  -69.64  260.31  -59.71  164.56
   13.00  -69.73  275.31  -62.25  174.26
   14.00  -70.06  290.31  -65.40  183.73
   15.00  -70.63  305.31  -69.14  192.88
   16.00  -71.19  320.31  -73.17  202.46
   17.00  -71.24  335.31  -76.99  215.14
   18.00  -71.31  350.31  -80.85  232.57
   19.00  -70.59    5.31  -83.47  267.99
   20.00  -69.70   20.31  -83.09  320.04
   21.00  -68.94   35.31  -79.58  355.98
   22.00  -68.36   50.31  -75.00   16.72
   23.00  -67.52   65.31  -69.96   30.60
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.36   80.31  -70.55   55.17
    1.00  -73.49   95.31  -67.98   67.41
    2.00  -74.28  110.31  -65.68   77.48
    3.00  -79.35  125.31  -67.84   93.81
    4.00  -81.11  140.31  -67.86  102.55
    5.00  -81.53  155.31  -67.17  108.56
    6.00  -80.98  170.31  -65.90  113.73
    7.00  -80.16  185.31  -64.69  119.47
    8.00  -80.38  200.31  -64.94  125.79
    9.00  -80.66  215.31  -65.62  131.89
   10.00  -80.35  230.31  -66.11  138.24
   11.00  -80.27  245.31  -67.20  144.40
   12.00  -80.39  260.31  -68.80  150.05
   13.00  -80.13  275.31  -70.43  156.10
   14.00  -79.89  290.31  -72.43  161.88
   15.00  -79.65  305.31  -74.76  167.17
   16.00  -79.42  320.31  -77.37  171.62
   17.00  -79.18  335.31  -80.20  174.46
   18.00  -80.11  350.31  -82.75  163.66
   19.00  -80.32    5.31  -84.62  145.55
   20.00  -79.54   20.31  -85.84  112.81
   21.00  -77.76   35.31  -84.71   67.44
   22.00  -75.13   50.31  -80.38   46.52
   23.00  -73.53   65.31  -75.35   48.64
</PRE>


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