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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>
18 Aug 1997 01:22:28 yearsecs  19790548
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.95   50.55  -71.15    9.24
    1.00  -64.27   65.55  -66.26   24.31
    2.00  -65.35   80.55  -63.64   40.17
    3.00  -66.42   95.55  -61.21   54.49
    4.00  -66.25  110.55  -57.85   65.77
    5.00  -67.20  125.55  -56.21   77.51
    6.00  -67.33  140.55  -54.37   87.70
    7.00  -67.19  155.55  -52.85   97.54
    8.00  -67.59  170.55  -52.36  107.60
    9.00  -67.41  185.55  -51.75  117.35
   10.00  -67.01  200.55  -51.50  127.09
   11.00  -66.83  215.55  -52.08  136.91
   12.00  -66.87  230.55  -53.43  146.80
   13.00  -67.14  245.55  -55.42  156.73
   14.00  -67.62  260.55  -57.98  166.56
   15.00  -68.33  275.55  -61.09  176.11
   16.00  -69.27  290.55  -64.79  185.14
   17.00  -70.23  305.55  -68.88  193.88
   18.00  -70.00  320.55  -72.34  205.75
   19.00  -69.47  335.55  -75.74  221.18
   20.00  -68.43  350.55  -78.56  244.27
   21.00  -67.42    5.55  -80.32  278.01
   22.00  -66.47   20.55  -79.45  318.08
   23.00  -65.64   35.55  -75.87  348.88
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.70   50.55  -78.05   28.63
    1.00  -72.72   65.55  -74.69   45.83
    2.00  -73.70   80.55  -71.57   59.10
    3.00  -77.49   95.55  -71.04   77.58
    4.00  -79.54  110.55  -69.98   88.72
    5.00  -80.23  125.55  -68.56   95.64
    6.00  -79.80  140.55  -66.63  100.61
    7.00  -79.20  155.55  -64.88  106.11
    8.00  -79.60  170.55  -64.50  112.92
    9.00  -79.31  185.55  -63.81  119.37
   10.00  -79.50  200.55  -64.04  126.02
   11.00  -79.19  215.55  -64.16  132.76
   12.00  -79.20  230.55  -65.03  139.40
   13.00  -78.92  245.55  -66.02  146.30
   14.00  -78.88  260.55  -67.62  152.85
   15.00  -78.55  275.55  -69.36  159.82
   16.00  -78.71  290.55  -71.79  165.38
   17.00  -78.25  305.55  -74.18  172.30
   18.00  -78.45  320.55  -77.16  176.18
   19.00  -78.10  335.55  -80.17  181.20
   20.00  -77.12  350.55  -83.46  189.87
   21.00  -75.24    5.55  -87.05  220.94
   22.00  -73.52   20.55  -87.17  335.29
   23.00  -72.19   35.55  -82.62   10.93
</PRE>


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