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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>
17 Apr 1997 14:40:54 yearsecs   9211254
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.83  216.40  -45.43  138.96
    1.00  -60.51  231.40  -47.55  149.83
    2.00  -61.19  246.40  -50.08  160.68
    3.00  -61.88  261.40  -52.95  171.59
    4.00  -60.94  276.40  -54.67  183.96
    5.00  -61.95  291.40  -58.53  195.04
    6.00  -63.07  306.40  -62.94  206.18
    7.00  -63.73  321.40  -67.28  218.89
    8.00  -64.21  336.40  -71.45  234.42
    9.00  -63.63  351.40  -74.24  256.73
   10.00  -63.15    6.40  -75.88  285.98
   11.00  -62.96   21.40  -75.33  318.84
   12.00  -63.00   36.40  -72.52  346.60
   13.00  -63.26   51.40  -68.87    7.36
   14.00  -63.74   66.40  -65.41   24.23
   15.00  -64.45   81.40  -62.43   39.40
   16.00  -65.38   96.40  -59.92   53.59
   17.00  -66.53  111.40  -57.98   66.75
   18.00  -66.51  126.40  -55.37   77.42
   19.00  -65.86  141.40  -52.77   87.21
   20.00  -64.28  156.40  -49.82   96.67
   21.00  -63.16  171.40  -47.85  106.83
   22.00  -61.60  186.40  -45.93  117.21
   23.00  -60.45  201.40  -45.08  127.95
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.81  216.40  -58.89  135.44
    1.00  -74.44  231.40  -60.58  143.40
    2.00  -75.29  246.40  -62.87  150.79
    3.00  -75.98  261.40  -65.33  157.78
    4.00  -77.68  276.40  -68.85  162.03
    5.00  -78.73  291.40  -71.94  165.65
    6.00  -78.84  306.40  -74.61  170.47
    7.00  -78.49  321.40  -77.33  176.23
    8.00  -78.98  336.40  -80.42  175.72
    9.00  -78.93  351.40  -83.39  172.79
   10.00  -78.64    6.40  -86.17  157.10
   11.00  -78.26   21.40  -87.03  101.08
   12.00  -77.92   36.40  -84.42   68.56
   13.00  -77.77   51.40  -80.89   64.78
   14.00  -77.57   66.40  -77.30   66.93
   15.00  -77.07   81.40  -73.67   70.39
   16.00  -76.90   96.40  -70.46   76.33
   17.00  -75.91  111.40  -66.92   81.10
   18.00  -75.69  126.40  -64.42   88.17
   19.00  -75.96  141.40  -62.90   96.04
   20.00  -75.48  156.40  -61.13  103.27
   21.00  -74.27  171.40  -59.06  110.60
   22.00  -74.22  186.40  -58.61  118.84
   23.00  -73.35  201.40  -57.81  127.16
</PRE>


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