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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>
11 Aug 1997 14:48:18 yearsecs  19234098
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.36  217.21  -43.08  140.04
    1.00  -57.77  232.21  -44.99  151.38
    2.00  -58.18  247.21  -47.32  162.78
    3.00  -58.58  262.21  -50.02  174.35
    4.00  -58.77  277.21  -52.81  186.34
    5.00  -59.55  292.21  -56.48  198.11
    6.00  -61.35  307.21  -61.55  209.03
    7.00  -62.68  322.21  -66.52  221.28
    8.00  -62.87  337.21  -70.40  237.69
    9.00  -62.21  352.21  -72.99  260.25
   10.00  -61.78    7.21  -74.45  288.91
   11.00  -61.57   22.21  -73.58  320.20
   12.00  -61.58   37.21  -70.56  346.32
   13.00  -61.82   52.21  -66.84    6.19
   14.00  -62.28   67.21  -63.42   22.69
   15.00  -62.97   82.21  -60.54   37.81
   16.00  -63.88   97.21  -58.14   52.15
   17.00  -65.02  112.21  -56.26   65.57
   18.00  -65.21  127.21  -53.91   76.81
   19.00  -63.92  142.21  -50.69   86.49
   20.00  -62.25  157.21  -47.69   96.34
   21.00  -61.08  172.21  -45.70  106.85
   22.00  -59.29  187.21  -43.62  117.55
   23.00  -58.21  202.21  -42.92  128.64
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.55  217.21  -59.66  135.61
    1.00  -75.37  232.21  -61.53  143.21
    2.00  -76.19  247.21  -63.76  150.29
    3.00  -76.68  262.21  -66.03  157.15
    4.00  -77.50  277.21  -68.84  162.76
    5.00  -78.61  292.21  -72.01  166.28
    6.00  -78.96  307.21  -74.80  170.30
    7.00  -78.42  322.21  -77.48  176.73
    8.00  -78.66  337.21  -80.57  177.79
    9.00  -78.65  352.21  -83.63  174.91
   10.00  -78.14    7.21  -86.67  161.10
   11.00  -77.75   22.21  -87.39   91.50
   12.00  -77.46   37.21  -84.32   63.07
   13.00  -77.23   52.21  -80.60   61.14
   14.00  -77.13   67.21  -76.93   65.10
   15.00  -76.86   82.21  -73.37   70.01
   16.00  -77.02   97.21  -70.39   77.00
   17.00  -76.99  112.21  -67.70   83.64
   18.00  -76.61  127.21  -65.17   89.95
   19.00  -75.88  142.21  -62.74   96.36
   20.00  -75.53  157.21  -61.12  103.73
   21.00  -74.87  172.21  -59.63  111.30
   22.00  -75.01  187.21  -59.40  119.40
   23.00  -74.32  202.21  -58.81  127.51
</PRE>


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