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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>
04 Apr 1997 22:23:27 yearsecs   8115807
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.78   95.25  -60.61   53.27
    1.00  -66.42  110.25  -58.09   65.77
    2.00  -67.16  125.25  -56.21   77.26
    3.00  -67.89  140.25  -54.97   87.92
    4.00  -67.43  155.25  -53.12   97.47
    5.00  -68.00  170.25  -52.78  107.54
    6.00  -67.83  185.25  -52.18  117.21
    7.00  -68.09  200.25  -52.55  126.84
    8.00  -69.09  215.25  -54.23  136.17
    9.00  -69.47  230.25  -55.82  145.46
   10.00  -69.30  245.25  -57.33  155.11
   11.00  -69.07  260.25  -59.21  165.06
   12.00  -69.09  275.25  -61.69  175.01
   13.00  -69.33  290.25  -64.77  184.84
   14.00  -69.80  305.25  -68.47  194.52
   15.00  -70.49  320.25  -72.64  204.27
   16.00  -71.16  335.25  -76.92  215.37
   17.00  -71.29  350.25  -80.82  232.59
   18.00  -71.44    5.25  -84.27  263.67
   19.00  -70.81   20.25  -84.32  321.68
   20.00  -69.99   35.25  -80.68  359.52
   21.00  -69.20   50.25  -75.87   19.14
   22.00  -68.56   65.25  -71.04   33.04
   23.00  -67.15   80.25  -65.65   43.22
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.78   95.25  -65.58   61.78
    1.00  -71.91  110.25  -63.51   73.44
    2.00  -72.67  125.25  -61.71   83.41
    3.00  -78.17  140.25  -65.14   98.20
    4.00  -80.06  155.25  -65.74  106.88
    5.00  -80.45  170.25  -65.37  113.35
    6.00  -79.73  185.25  -64.26  119.34
    7.00  -78.67  200.25  -63.19  125.99
    8.00  -78.71  215.25  -63.67  132.86
    9.00  -78.66  230.25  -64.49  139.73
   10.00  -78.38  245.25  -65.51  146.84
   11.00  -78.46  260.25  -67.24  153.43
   12.00  -78.76  275.25  -69.47  159.22
   13.00  -78.61  290.25  -71.68  165.54
   14.00  -78.45  305.25  -74.22  171.49
   15.00  -78.29  320.25  -77.05  176.81
   16.00  -78.13  335.25  -80.11  180.94
   17.00  -77.96  350.25  -83.35  182.07
   18.00  -79.08    5.25  -85.67  155.16
   19.00  -79.38   20.25  -86.01  112.32
   20.00  -78.60   35.25  -84.44   76.74
   21.00  -76.80   50.25  -81.00   57.68
   22.00  -73.96   65.25  -75.67   50.29
   23.00  -72.15   80.25  -70.39   54.58
</PRE>


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