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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
01 Aug 1997 01:25:40 yearsecs  18321940
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.57   49.88  -69.67    6.04
    1.00  -63.63   64.88  -65.68   22.54
    2.00  -64.38   79.88  -62.72   37.94
    3.00  -65.12   94.88  -59.99   51.97
    4.00  -64.87  109.88  -56.55   63.61
    5.00  -66.05  124.88  -55.13   75.93
    6.00  -66.32  139.88  -53.41   86.50
    7.00  -66.19  154.88  -51.88   96.57
    8.00  -66.61  169.88  -51.40  106.83
    9.00  -66.35  184.88  -50.70  116.76
   10.00  -65.94  199.88  -50.42  126.69
   11.00  -65.74  214.88  -50.99  136.70
   12.00  -65.78  229.88  -52.34  146.80
   13.00  -66.03  244.88  -54.34  156.94
   14.00  -66.52  259.88  -56.90  167.03
   15.00  -67.22  274.88  -60.00  176.89
   16.00  -68.15  289.88  -63.70  186.31
   17.00  -69.23  304.88  -67.93  195.33
   18.00  -69.16  319.88  -71.53  207.18
   19.00  -68.53  334.88  -74.83  223.10
   20.00  -67.31  349.88  -77.42  246.42
   21.00  -66.25    4.88  -79.02  278.58
   22.00  -65.15   19.88  -78.01  315.99
   23.00  -64.10   34.88  -74.22  345.48
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.29   49.88  -78.71   30.57
    1.00  -73.39   64.88  -75.37   47.82
    2.00  -74.36   79.88  -72.23   60.68
    3.00  -76.43   94.88  -70.41   74.37
    4.00  -78.85  109.88  -69.56   86.79
    5.00  -79.60  124.88  -68.10   94.13
    6.00  -79.02  139.88  -65.97   99.21
    7.00  -78.81  154.88  -64.54  105.44
    8.00  -79.19  169.88  -64.10  112.37
    9.00  -78.90  184.88  -63.40  118.97
   10.00  -79.01  199.88  -63.53  125.78
   11.00  -78.79  214.88  -63.73  132.65
   12.00  -78.57  229.88  -64.38  139.63
   13.00  -78.35  244.88  -65.45  146.69
   14.00  -78.42  259.88  -67.17  153.33
   15.00  -78.04  274.88  -68.89  160.60
   16.00  -78.00  289.88  -71.24  167.05
   17.00  -76.90  304.88  -73.34  176.51
   18.00  -76.84  319.88  -76.42  182.99
   19.00  -77.14  334.88  -79.84  186.82
   20.00  -76.43  349.88  -83.24  196.08
   21.00  -74.55    4.88  -86.59  231.84
   22.00  -73.47   19.88  -87.20  330.86
   23.00  -72.52   34.88  -83.07   11.90
</PRE>


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