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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>
06 Apr 1997 13:32:11 yearsecs   8256731
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.84  232.06  -48.88  149.83
    1.00  -63.06  247.06  -51.90  160.18
    2.00  -64.13  262.06  -55.10  170.46
    3.00  -65.15  277.06  -58.58  180.62
    4.00  -64.91  292.06  -61.33  192.21
    5.00  -66.08  307.06  -65.78  202.42
    6.00  -66.34  322.06  -69.75  215.03
    7.00  -66.20  337.06  -73.41  231.26
    8.00  -66.83  352.06  -77.45  251.29
    9.00  -66.37    7.06  -79.37  283.56
   10.00  -65.96   22.06  -78.71  321.49
   11.00  -65.77   37.06  -75.66  351.66
   12.00  -65.80   52.06  -71.72   12.72
   13.00  -66.06   67.06  -67.91   29.16
   14.00  -66.54   82.06  -64.56   43.61
   15.00  -67.25   97.06  -61.72   56.96
   16.00  -68.18  112.06  -59.53   69.30
   17.00  -68.27  127.06  -57.07   79.58
   18.00  -68.33  142.06  -55.23   89.43
   19.00  -68.55  157.06  -54.12   99.25
   20.00  -67.34  172.06  -52.04  108.50
   21.00  -65.35  187.06  -49.68  118.09
   22.00  -63.77  202.06  -48.37  128.26
   23.00  -62.35  217.06  -47.91  138.92
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.84  232.06  -53.55  147.82
    1.00  -68.06  247.06  -56.45  157.14
    2.00  -69.13  262.06  -59.53  166.19
    3.00  -71.75  277.06  -64.26  172.67
    4.00  -74.82  292.06  -69.47  175.80
    5.00  -75.63  307.06  -73.04  181.43
    6.00  -74.62  322.06  -75.80  192.75
    7.00  -74.11  337.06  -79.19  204.49
    8.00  -74.67  352.06  -83.29  212.85
    9.00  -74.49    7.06  -87.10  238.80
   10.00  -74.87   22.06  -88.03    6.53
   11.00  -74.76   37.06  -83.90   33.73
   12.00  -74.66   52.06  -79.67   44.81
   13.00  -74.53   67.06  -75.57   53.72
   14.00  -74.78   82.06  -72.01   63.18
   15.00  -74.43   97.06  -68.40   70.54
   16.00  -74.52  112.06  -65.58   78.85
   17.00  -73.27  127.06  -62.03   85.20
   18.00  -73.33  142.06  -60.25   93.67
   19.00  -73.80  157.06  -59.40  102.41
   20.00  -72.87  172.06  -57.62  110.40
   21.00  -70.35  187.06  -54.69  118.68
   22.00  -68.77  202.06  -53.28  127.94
   23.00  -67.35  217.06  -52.69  137.76
</PRE>


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