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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>
10 Oct 1997 12:43:14 yearsecs  24410594
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.37  236.81  -45.15  155.07
    1.00  -57.57  251.81  -47.41  166.68
    2.00  -57.74  266.81  -50.01  178.57
    3.00  -57.88  281.81  -52.85  190.84
    4.00  -57.98  296.81  -55.98  203.52
    5.00  -58.46  311.81  -59.92  216.50
    6.00  -60.11  326.81  -65.24  229.58
    7.00  -61.38  341.81  -70.03  245.92
    8.00  -60.40  356.81  -71.90  270.34
    9.00  -60.14   11.81  -72.73  299.36
   10.00  -60.20   26.81  -71.18  328.39
   11.00  -60.40   41.81  -67.83  351.63
   12.00  -60.74   56.81  -64.19    9.83
   13.00  -61.26   71.81  -60.97   25.63
   14.00  -61.95   86.81  -58.27   40.45
   15.00  -62.82  101.81  -56.00   54.63
   16.00  -63.88  116.81  -54.22   67.86
   17.00  -65.14  131.81  -53.18   80.02
   18.00  -65.47  146.81  -51.83   90.67
   19.00  -64.21  161.81  -49.40  100.43
   20.00  -62.68  176.81  -47.17  110.55
   21.00  -61.47  191.81  -45.83  121.07
   22.00  -59.58  206.81  -44.51  131.95
   23.00  -58.40  221.81  -44.51  143.30
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.22  236.81  -59.95  147.25
    1.00  -74.06  251.81  -62.42  155.00
    2.00  -74.86  266.81  -65.17  162.23
    3.00  -75.30  281.81  -67.94  169.43
    4.00  -75.97  296.81  -71.19  175.45
    5.00  -77.12  311.81  -74.85  178.66
    6.00  -77.39  326.81  -78.13  183.01
    7.00  -76.54  341.81  -81.31  192.74
    8.00  -76.51  356.81  -84.96  196.40
    9.00  -76.80   11.81  -88.44  168.20
   10.00  -76.34   26.81  -87.08   51.25
   11.00  -76.02   41.81  -83.02   48.80
   12.00  -75.82   56.81  -78.96   54.17
   13.00  -75.65   71.81  -75.06   60.78
   14.00  -75.65   86.81  -71.55   68.30
   15.00  -75.48  101.81  -68.30   75.43
   16.00  -75.79  116.81  -65.92   83.54
   17.00  -75.97  131.81  -63.98   91.26
   18.00  -75.60  146.81  -62.02   98.41
   19.00  -74.75  161.81  -60.04  105.63
   20.00  -74.46  176.81  -59.05  113.64
   21.00  -73.77  191.81  -58.12  121.79
   22.00  -73.88  206.81  -58.50  130.11
   23.00  -73.09  221.81  -58.53  138.77
</PRE>


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