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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>
23 Jul 1997 13:35:52 yearsecs  17588152
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.76  234.76  -51.93  150.58
    1.00  -65.02  249.76  -54.07  160.98
    2.00  -66.08  264.76  -57.27  170.84
    3.00  -67.16  279.76  -60.85  180.41
    4.00  -67.09  294.76  -63.83  191.37
    5.00  -68.17  309.76  -68.22  201.01
    6.00  -68.66  324.76  -72.36  212.66
    7.00  -69.92  339.76  -77.16  224.45
    8.00  -70.14  354.76  -80.98  245.35
    9.00  -69.79    9.76  -83.21  284.53
   10.00  -69.07   24.76  -81.86  332.21
   11.00  -68.45   39.76  -77.96    2.29
   12.00  -68.14   54.76  -73.53   21.31
   13.00  -68.14   69.76  -69.40   36.16
   14.00  -68.42   84.76  -65.81   49.41
   15.00  -68.99   99.76  -62.85   61.76
   16.00  -69.56  114.76  -60.39   72.93
   17.00  -69.58  129.76  -58.00   82.65
   18.00  -69.63  144.76  -56.27   92.14
   19.00  -68.83  159.76  -54.22  101.13
   20.00  -68.00  174.76  -52.60  110.47
   21.00  -67.27  189.76  -51.59  120.07
   22.00  -66.71  204.76  -51.36  129.86
   23.00  -65.88  219.76  -51.49  139.94
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.05  234.76  -56.81  147.99
    1.00  -71.31  249.76  -59.72  156.39
    2.00  -72.20  264.76  -62.61  164.60
    3.00  -77.93  279.76  -69.54  162.97
    4.00  -79.92  294.76  -73.14  163.18
    5.00  -80.38  309.76  -75.77  165.33
    6.00  -79.74  324.76  -78.25  170.65
    7.00  -79.03  339.76  -81.08  175.24
    8.00  -78.75  354.76  -84.10  172.41
    9.00  -78.70    9.76  -86.53  147.33
   10.00  -78.42   24.76  -86.46   91.94
   11.00  -78.43   39.76  -83.55   71.95
   12.00  -78.66   54.76  -80.20   70.95
   13.00  -78.42   69.76  -76.85   71.98
   14.00  -78.19   84.76  -73.60   75.62
   15.00  -77.96   99.76  -70.59   80.58
   16.00  -77.73  114.76  -67.92   86.29
   17.00  -77.49  129.76  -65.65   92.50
   18.00  -78.60  144.76  -65.12  100.74
   19.00  -78.88  159.76  -64.30  107.66
   20.00  -78.07  174.76  -62.78  114.00
   21.00  -76.17  189.76  -60.56  120.88
   22.00  -73.20  204.76  -57.76  129.08
   23.00  -71.38  219.76  -56.74  138.24
</PRE>


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