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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>
16 Jun 1997 12:39:21 yearsecs  14387961
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.09  245.76  -51.76  159.23
    1.00  -63.44  260.76  -54.28  170.01
    2.00  -64.06  275.76  -57.37  180.71
    3.00  -64.67  290.76  -60.85  191.49
    4.00  -64.40  305.76  -63.99  203.83
    5.00  -65.66  320.76  -68.83  215.06
    6.00  -65.97  335.76  -72.89  230.22
    7.00  -65.90  350.76  -76.31  251.29
    8.00  -66.58    5.76  -79.46  280.09
    9.00  -65.99   20.76  -78.89  318.38
   10.00  -65.57   35.76  -75.75  349.13
   11.00  -65.38   50.76  -71.59   10.31
   12.00  -65.41   65.76  -67.52   26.61
   13.00  -65.66   80.76  -63.93   40.90
   14.00  -66.14   95.76  -60.86   54.21
   15.00  -66.84  110.76  -58.41   66.66
   16.00  -67.76  125.76  -56.75   78.21
   17.00  -68.88  140.76  -55.93   89.03
   18.00  -68.88  155.76  -54.55   98.60
   19.00  -68.20  170.76  -52.96  107.94
   20.00  -66.91  185.76  -51.25  117.42
   21.00  -65.83  200.76  -50.34  127.28
   22.00  -64.69  215.76  -50.05  137.52
   23.00  -63.56  230.76  -50.36  148.26
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.91  245.76  -60.65  152.65
    1.00  -74.02  260.76  -63.58  160.05
    2.00  -74.98  275.76  -66.67  166.84
    3.00  -76.36  290.76  -70.31  171.59
    4.00  -78.67  305.76  -74.41  170.90
    5.00  -79.31  320.76  -77.43  172.20
    6.00  -79.12  335.76  -80.29  174.84
    7.00  -78.50  350.76  -83.37  176.97
    8.00  -79.32    5.76  -85.54  151.98
    9.00  -79.02   20.76  -86.34  109.04
   10.00  -79.08   35.76  -84.13   81.04
   11.00  -78.90   50.76  -81.08   72.73
   12.00  -78.58   65.76  -77.77   71.87
   13.00  -78.39   80.76  -74.52   75.02
   14.00  -78.49   95.76  -71.67   80.54
   15.00  -78.10  110.76  -68.84   85.39
   16.00  -77.97  125.76  -66.58   91.50
   17.00  -76.63  140.76  -63.62   96.51
   18.00  -76.48  155.76  -62.17  103.74
   19.00  -77.04  170.76  -61.89  111.57
   20.00  -76.45  185.76  -60.88  118.88
   21.00  -74.62  200.76  -59.08  126.69
   22.00  -73.80  215.76  -58.84  135.09
   23.00  -73.03  230.76  -59.19  143.91
</PRE>


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