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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>
28 Oct 1997 20:53:00 yearsecs  25995180
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.98  116.08  -47.96   61.75
    1.00  -58.52  131.08  -46.32   74.61
    2.00  -59.06  146.08  -45.25   86.59
    3.00  -59.61  161.08  -44.74   98.16
    4.00  -59.29  176.08  -43.76  109.29
    5.00  -60.25  191.08  -44.61  120.47
    6.00  -61.87  206.08  -46.70  131.21
    7.00  -63.06  221.08  -48.93  141.60
    8.00  -63.08  236.08  -50.52  152.24
    9.00  -62.04  251.08  -51.53  163.72
   10.00  -61.19  266.08  -53.09  175.66
   11.00  -61.14  281.08  -55.72  187.52
   12.00  -61.27  296.08  -58.91  199.61
   13.00  -61.61  311.08  -62.74  212.17
   14.00  -62.17  326.08  -67.02  226.02
   15.00  -62.94  341.08  -71.37  242.58
   16.00  -63.93  356.08  -75.40  264.35
   17.00  -65.15   11.08  -78.28  294.76
   18.00  -65.27   26.08  -77.36  330.06
   19.00  -64.29   41.08  -72.91  355.47
   20.00  -62.68   56.08  -66.87   11.80
   21.00  -61.56   71.08  -61.53   25.36
   22.00  -59.89   86.08  -55.94   37.06
   23.00  -58.75  101.08  -51.51   49.28
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.61  116.08  -63.12   78.01
    1.00  -73.33  131.08  -61.54   87.53
    2.00  -74.14  146.08  -60.65   96.65
    3.00  -74.67  161.08  -60.01  105.19
    4.00  -75.91  176.08  -60.55  113.76
    5.00  -76.99  191.08  -61.40  121.62
    6.00  -77.08  206.08  -61.70  129.05
    7.00  -76.40  221.08  -61.70  136.82
    8.00  -76.69  236.08  -63.10  144.18
    9.00  -77.05  251.08  -64.96  151.21
   10.00  -76.93  266.08  -66.76  158.65
   11.00  -76.85  281.08  -68.98  165.92
   12.00  -76.58  296.08  -71.44  173.52
   13.00  -76.42  311.08  -74.34  180.81
   14.00  -76.31  326.08  -77.56  187.88
   15.00  -75.96  341.08  -80.97  196.39
   16.00  -76.01  356.08  -84.73  202.22
   17.00  -75.55   11.08  -88.61  222.83
   18.00  -75.26   26.08  -87.15   27.33
   19.00  -75.00   41.08  -82.88   39.36
   20.00  -74.54   56.08  -78.50   46.87
   21.00  -73.43   71.08  -73.75   52.19
   22.00  -73.34   86.08  -69.95   61.49
   23.00  -72.34  101.08  -65.73   68.54
</PRE>


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