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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>
12 Aug 1997 21:18:04 yearsecs  19343884
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.38  110.00  -57.06   64.30
    1.00  -64.75  125.00  -53.77   74.81
    2.00  -65.80  140.00  -52.86   86.21
    3.00  -66.84  155.00  -52.54   96.99
    4.00  -66.61  170.00  -51.40  106.91
    5.00  -67.47  185.00  -51.81  117.00
    6.00  -67.52  200.00  -51.98  126.71
    7.00  -67.44  215.00  -52.63  136.40
    8.00  -68.18  230.00  -54.59  145.88
    9.00  -68.03  245.00  -56.16  155.79
   10.00  -67.53  260.00  -57.81  166.26
   11.00  -67.33  275.00  -60.12  176.85
   12.00  -67.38  290.00  -63.06  187.47
   13.00  -67.65  305.00  -66.64  198.23
   14.00  -68.14  320.00  -70.73  209.55
   15.00  -68.85  335.00  -75.12  222.35
   16.00  -69.74  350.00  -79.54  238.86
   17.00  -70.53    5.00  -83.36  267.38
   18.00  -70.36   20.00  -83.86  319.96
   19.00  -69.82   35.00  -80.57  358.39
   20.00  -68.84   50.00  -75.58   17.73
   21.00  -67.88   65.00  -70.43   31.16
   22.00  -67.01   80.00  -65.57   42.74
   23.00  -66.19   95.00  -61.10   53.68
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.52  110.00  -62.23   71.15
    1.00  -71.58  125.00  -60.69   81.92
    2.00  -72.55  140.00  -59.70   91.75
    3.00  -77.06  155.00  -62.80  103.86
    4.00  -79.25  170.00  -64.16  112.46
    5.00  -79.59  185.00  -64.11  119.20
    6.00  -78.92  200.00  -63.43  125.84
    7.00  -78.27  215.00  -63.22  132.94
    8.00  -78.63  230.00  -64.45  139.64
    9.00  -78.42  245.00  -65.53  146.66
   10.00  -78.57  260.00  -67.30  153.13
   11.00  -78.39  275.00  -69.16  159.92
   12.00  -78.48  290.00  -71.56  165.80
   13.00  -78.21  305.00  -74.05  172.24
   14.00  -78.15  320.00  -76.95  177.38
   15.00  -77.85  335.00  -80.02  182.62
   16.00  -78.00  350.00  -83.29  181.76
   17.00  -77.71    5.00  -86.56  172.52
   18.00  -78.18   20.00  -87.25  106.00
   19.00  -77.87   35.00  -84.75   68.88
   20.00  -76.86   50.00  -81.08   58.08
   21.00  -74.91   65.00  -76.34   54.09
   22.00  -72.81   80.00  -71.00   56.20
   23.00  -71.26   95.00  -66.07   62.53
</PRE>


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