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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 Jan 1997 13:51:28 yearsecs    913888
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.84  220.20  -42.83  142.44
    1.00  -57.18  235.20  -44.76  153.89
    2.00  -57.52  250.20  -47.12  165.43
    3.00  -57.85  265.20  -49.83  177.19
    4.00  -58.18  280.20  -52.82  189.26
    5.00  -58.92  295.20  -56.52  201.25
    6.00  -60.85  310.20  -61.81  212.31
    7.00  -62.44  325.20  -67.05  224.69
    8.00  -62.06  340.20  -70.32  242.79
    9.00  -61.38  355.20  -72.67  266.39
   10.00  -61.03   10.20  -73.72  295.61
   11.00  -60.90   25.20  -72.32  325.73
   12.00  -60.98   40.20  -69.03  350.03
   13.00  -61.28   55.20  -65.33    8.81
   14.00  -61.80   70.20  -62.05   24.87
   15.00  -62.53   85.20  -59.32   39.84
   16.00  -63.48  100.20  -57.06   54.12
   17.00  -64.65  115.20  -55.32   67.44
   18.00  -64.90  130.20  -53.16   78.68
   19.00  -63.53  145.20  -49.99   88.38
   20.00  -61.88  160.20  -47.12   98.36
   21.00  -60.70  175.20  -45.22  108.94
   22.00  -58.85  190.20  -43.20  119.72
   23.00  -57.75  205.20  -42.62  130.91
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -79.19  220.20  -64.38  134.83
    1.00  -80.09  235.20  -66.20  140.52
    2.00  -80.96  250.20  -68.23  145.26
    3.00  -81.62  265.20  -70.26  149.21
    4.00  -82.51  280.20  -72.50  151.13
    5.00  -82.99  295.20  -74.48  152.47
    6.00  -82.74  310.20  -76.31  155.13
    7.00  -81.87  325.20  -78.38  159.43
    8.00  -81.52  340.20  -80.64  158.65
    9.00  -81.42  355.20  -82.67  150.76
   10.00  -80.84   10.20  -84.45  134.79
   11.00  -80.38   25.20  -84.65  106.29
   12.00  -80.01   40.20  -82.88   85.34
   13.00  -79.67   55.20  -80.12   77.48
   14.00  -79.47   70.20  -77.07   77.07
   15.00  -79.15   85.20  -74.02   79.24
   16.00  -79.21  100.20  -71.37   84.21
   17.00  -79.38  115.20  -69.19   90.02
   18.00  -79.30  130.20  -67.23   95.66
   19.00  -78.87  145.20  -65.34  101.27
   20.00  -78.88  160.20  -64.27  107.85
   21.00  -78.64  175.20  -63.35  114.46
   22.00  -78.99  190.20  -63.45  121.40
   23.00  -78.76  205.20  -63.38  128.24
</PRE>


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