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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>
21 Sep 1997 01:11:32 yearsecs  22727492
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.51   52.09  -71.37   12.16
    1.00  -64.95   67.09  -66.65   27.05
    2.00  -65.96   82.09  -63.92   42.58
    3.00  -66.97   97.09  -61.42   56.54
    4.00  -66.71  112.09  -58.03   67.48
    5.00  -67.53  127.09  -56.31   78.88
    6.00  -67.56  142.09  -54.44   88.88
    7.00  -67.51  157.09  -53.06   98.72
    8.00  -68.04  172.09  -52.74  108.74
    9.00  -68.13  187.09  -52.46  118.43
   10.00  -67.77  202.09  -52.30  128.04
   11.00  -67.58  217.09  -52.91  137.73
   12.00  -67.62  232.09  -54.28  147.50
   13.00  -67.87  247.09  -56.29  157.28
   14.00  -68.36  262.09  -58.86  166.94
   15.00  -69.06  277.09  -61.99  176.28
   16.00  -69.92  292.09  -65.65  185.16
   17.00  -70.64  307.09  -69.56  194.12
   18.00  -70.50  322.09  -73.11  205.72
   19.00  -69.95  337.09  -76.50  221.34
   20.00  -68.99  352.09  -79.40  245.00
   21.00  -68.05    7.09  -81.14  280.68
   22.00  -67.20   22.09  -80.12  322.47
   23.00  -66.36   37.09  -76.33  352.82
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.32   52.09  -77.30   28.69
    1.00  -72.35   67.09  -73.98   45.71
    2.00  -73.27   82.09  -70.85   58.81
    3.00  -77.70   97.09  -70.89   78.79
    4.00  -79.77  112.09  -69.93   89.83
    5.00  -80.11  127.09  -68.28   95.95
    6.00  -79.46  142.09  -66.17  100.74
    7.00  -78.82  157.09  -64.40  106.42
    8.00  -79.16  172.09  -63.99  113.33
    9.00  -78.98  187.09  -63.46  119.99
   10.00  -79.11  202.09  -63.67  126.76
   11.00  -78.92  217.09  -63.96  133.59
   12.00  -79.05  232.09  -65.00  140.21
   13.00  -78.80  247.09  -66.07  147.12
   14.00  -78.73  262.09  -67.69  153.76
   15.00  -78.46  277.09  -69.52  160.65
   16.00  -78.57  292.09  -71.96  166.36
   17.00  -78.29  307.09  -74.48  172.68
   18.00  -78.80  322.09  -77.56  174.92
   19.00  -78.55  337.09  -80.54  178.46
   20.00  -77.59  352.09  -83.80  185.22
   21.00  -75.70    7.09  -87.57  212.31
   22.00  -73.60   22.09  -86.99  344.35
   23.00  -72.08   37.09  -82.12   12.96
</PRE>


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