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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>
29 May 1997 17:58:31 yearsecs  12851911
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.45  159.31  -51.84   99.68
    1.00  -66.44  174.31  -51.05  109.74
    2.00  -67.16  189.31  -51.48  119.77
    3.00  -67.88  204.31  -52.48  129.45
    4.00  -67.41  219.31  -52.91  139.21
    5.00  -67.98  234.31  -54.86  148.78
    6.00  -67.82  249.31  -56.54  158.80
    7.00  -68.11  264.31  -58.99  168.68
    8.00  -69.11  279.31  -62.44  177.71
    9.00  -69.46  294.31  -65.74  187.42
   10.00  -69.24  309.31  -68.98  198.60
   11.00  -69.04  324.31  -72.55  211.32
   12.00  -69.08  339.31  -76.39  226.58
   13.00  -69.35  354.31  -80.21  247.63
   14.00  -69.86    9.31  -83.24  282.89
   15.00  -70.61   24.31  -83.60  334.97
   16.00  -71.33   39.31  -80.89   12.52
   17.00  -71.55   54.31  -76.87   31.86
   18.00  -71.83   69.31  -72.96   45.70
   19.00  -71.09   84.31  -68.45   54.79
   20.00  -70.20   99.31  -64.13   63.49
   21.00  -69.36  114.31  -60.28   72.37
   22.00  -68.68  129.31  -57.15   81.46
   23.00  -67.71  144.31  -54.36   90.45
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.83  159.31  -58.28  103.06
    1.00  -73.79  174.31  -58.46  112.02
    2.00  -74.43  189.31  -58.80  120.46
    3.00  -79.36  204.31  -63.96  127.70
    4.00  -81.04  219.31  -66.17  133.26
    5.00  -81.38  234.31  -67.34  138.73
    6.00  -80.76  249.31  -67.99  145.24
    7.00  -79.84  264.31  -68.83  152.64
    8.00  -79.89  279.31  -70.82  158.12
    9.00  -79.84  294.31  -73.03  163.29
   10.00  -79.72  309.31  -75.47  167.94
   11.00  -79.85  324.31  -78.18  170.03
   12.00  -80.16  339.31  -80.87  167.67
   13.00  -80.08  354.31  -83.40  161.00
   14.00  -80.01    9.31  -85.24  139.87
   15.00  -79.95   24.31  -85.14  105.61
   16.00  -79.91   39.31  -83.08   85.21
   17.00  -79.94   54.31  -80.27   79.35
   18.00  -80.67   69.31  -77.47   82.91
   19.00  -80.82   84.31  -74.89   85.45
   20.00  -80.06   99.31  -72.05   86.46
   21.00  -78.40  114.31  -68.53   87.50
   22.00  -75.78  129.31  -64.12   89.76
   23.00  -74.11  144.31  -60.79   95.65
</PRE>


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