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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 May 1997 18:42:30 yearsecs  11817750
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.65  146.59  -47.91   88.33
    1.00  -62.22  161.59  -47.39   99.50
    2.00  -62.80  176.59  -47.30  110.42
    3.00  -63.35  191.59  -47.70  121.02
    4.00  -62.77  206.59  -47.61  131.48
    5.00  -63.92  221.59  -49.79  141.72
    6.00  -64.40  236.59  -51.81  152.02
    7.00  -64.23  251.59  -53.62  162.78
    8.00  -64.21  266.59  -55.91  173.74
    9.00  -65.50  281.59  -59.73  183.62
   10.00  -65.94  296.59  -63.23  194.37
   11.00  -64.90  311.59  -65.86  208.05
   12.00  -64.74  326.59  -69.50  222.45
   13.00  -64.89  341.59  -73.32  239.78
   14.00  -65.31  356.59  -76.86  262.86
   15.00  -65.97   11.59  -79.19  295.32
   16.00  -66.87   26.59  -79.11  333.00
   17.00  -66.88   41.59  -75.77    1.11
   18.00  -66.69   56.59  -71.47   19.81
   19.00  -67.31   71.59  -68.05   35.98
   20.00  -65.88   86.59  -62.74   46.28
   21.00  -64.71  101.59  -58.08   56.86
   22.00  -63.35  116.59  -53.70   67.16
   23.00  -62.17  131.59  -50.11   77.56
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.89  146.59  -54.33   92.07
    1.00  -68.96  161.59  -54.23  102.36
    2.00  -70.00  176.59  -54.55  112.18
    3.00  -71.01  191.59  -55.33  121.49
    4.00  -73.86  206.59  -58.48  129.99
    5.00  -75.02  221.59  -60.38  137.77
    6.00  -74.37  236.59  -60.99  146.30
    7.00  -73.36  251.59  -61.77  155.59
    8.00  -73.72  266.59  -64.18  163.72
    9.00  -74.26  281.59  -67.10  171.26
   10.00  -74.81  296.59  -70.35  178.24
   11.00  -74.49  311.59  -73.32  187.25
   12.00  -74.07  326.59  -76.58  197.60
   13.00  -73.95  341.59  -80.26  208.80
   14.00  -74.07  356.59  -84.21  223.23
   15.00  -73.60   11.59  -87.30  273.58
   16.00  -73.49   26.59  -85.94    0.93
   17.00  -71.88   41.59  -80.72   18.66
   18.00  -71.69   56.59  -76.35   34.58
   19.00  -72.52   71.59  -72.92   49.56
   20.00  -71.93   86.59  -68.64   58.33
   21.00  -69.77  101.59  -63.22   64.34
   22.00  -69.05  116.59  -59.56   73.50
   23.00  -67.90  131.59  -56.05   82.23
</PRE>


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