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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>
30 Aug 1997 16:00:48 yearsecs  20880048
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.58  195.06  -44.01  123.34
    1.00  -60.23  210.06  -45.35  134.25
    2.00  -60.89  225.06  -47.24  145.05
    3.00  -61.55  240.06  -49.57  155.81
    4.00  -60.71  255.06  -50.89  167.49
    5.00  -61.71  270.06  -54.24  178.36
    6.00  -62.89  285.06  -58.08  189.01
    7.00  -63.64  300.06  -61.97  200.14
    8.00  -64.05  315.06  -65.96  212.42
    9.00  -63.44  330.06  -69.19  228.37
   10.00  -63.00  345.06  -72.31  248.01
   11.00  -62.80    0.06  -74.85  273.46
   12.00  -62.84   15.06  -75.69  305.15
   13.00  -63.10   30.06  -74.07  335.95
   14.00  -63.58   45.06  -71.00  359.93
   15.00  -64.29   60.06  -67.76   18.74
   16.00  -65.22   75.06  -64.88   35.03
   17.00  -66.37   90.06  -62.44   49.98
   18.00  -66.37  105.06  -59.08   61.80
   19.00  -65.66  120.06  -55.51   72.09
   20.00  -64.07  135.06  -51.66   81.50
   21.00  -62.95  150.06  -48.95   91.53
   22.00  -61.36  165.06  -46.31  101.71
   23.00  -60.22  180.06  -44.61  112.41
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.63  195.06  -54.97  123.57
    1.00  -71.27  210.06  -56.06  132.49
    2.00  -72.15  225.06  -57.88  141.06
    3.00  -72.82  240.06  -59.92  149.40
    4.00  -74.66  255.06  -63.35  156.13
    5.00  -75.82  270.06  -66.44  162.44
    6.00  -75.83  285.06  -68.91  170.00
    7.00  -75.16  300.06  -71.29  179.20
    8.00  -75.63  315.06  -74.77  185.39
    9.00  -75.60  330.06  -78.18  193.02
   10.00  -75.43  345.06  -81.78  201.98
   11.00  -75.12    0.06  -85.56  215.88
   12.00  -74.86   15.06  -88.95  288.20
   13.00  -74.82   30.06  -85.88   26.04
   14.00  -74.71   45.06  -81.63   40.17
   15.00  -74.26   60.06  -77.25   48.15
   16.00  -74.22   75.06  -73.32   57.38
   17.00  -73.26   90.06  -68.96   63.72
   18.00  -73.08  105.06  -65.59   72.33
   19.00  -73.39  120.06  -63.20   81.43
   20.00  -72.91  135.06  -60.62   89.29
   21.00  -71.50  150.06  -57.66   96.76
   22.00  -71.37  165.06  -56.45  105.65
   23.00  -70.23  180.06  -54.68  114.37
</PRE>


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