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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>
27 Dec 1997 12:01:00 yearsecs  31147260
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.66  246.03  -48.58  161.16
    1.00  -61.01  261.03  -52.09  171.89
    2.00  -61.87  276.03  -55.44  182.89
    3.00  -67.31  291.03  -63.22  188.32
    4.00  -67.21  306.03  -66.51  199.77
    5.00  -68.25  321.03  -71.08  210.22
    6.00  -68.69  336.03  -75.25  223.93
    7.00  -69.74  351.03  -79.79  240.50
    8.00  -69.82    6.03  -82.82  273.04
    9.00  -69.60   21.03  -82.92  322.21
   10.00  -68.96   36.03  -79.44  357.41
   11.00  -68.42   51.03  -74.86   17.77
   12.00  -68.18   66.03  -70.45   32.83
   13.00  -68.22   81.03  -66.54   45.99
   14.00  -68.54   96.03  -63.25   58.28
   15.00  -69.14  111.03  -60.67   69.86
   16.00  -69.73  126.03  -58.69   80.43
   17.00  -69.77  141.03  -56.80   89.91
   18.00  -69.85  156.03  -55.50   99.32
   19.00  -69.08  171.03  -53.84  108.40
   20.00  -68.29  186.03  -52.62  117.78
   21.00  -67.55  201.03  -52.04  127.37
   22.00  -64.08  216.03  -49.48  137.83
   23.00  -61.60  231.03  -48.54  149.17
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.66  246.03  -53.24  158.54
    1.00  -66.01  261.03  -56.62  168.25
    2.00  -66.87  276.03  -59.90  178.08
    3.00  -74.10  291.03  -68.74  176.78
    4.00  -76.54  306.03  -73.36  178.16
    5.00  -76.49  321.03  -76.51  184.90
    6.00  -76.03  336.03  -79.77  193.66
    7.00  -74.82  351.03  -83.09  210.72
    8.00  -75.08    6.03  -87.12  224.94
    9.00  -75.22   21.03  -88.49   12.50
   10.00  -75.04   36.03  -84.30   35.59
   11.00  -75.23   51.03  -80.23   47.60
   12.00  -75.67   66.03  -76.51   57.92
   13.00  -75.51   81.03  -72.77   64.94
   14.00  -75.36   96.03  -69.36   72.18
   15.00  -75.19  111.03  -66.36   79.55
   16.00  -75.03  126.03  -63.85   87.02
   17.00  -74.85  141.03  -61.85   94.64
   18.00  -76.22  156.03  -61.89  103.66
   19.00  -76.49  171.03  -61.32  111.42
   20.00  -75.38  186.03  -59.79  118.83
   21.00  -72.92  201.03  -57.38  126.99
   22.00  -69.08  216.03  -54.27  136.66
   23.00  -66.60  231.03  -53.22  147.24
</PRE>


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