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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>
30 Oct 1997 12:00:56 yearsecs  26136056
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.19  244.53  -45.98  161.14
    1.00  -57.52  259.53  -48.58  172.83
    2.00  -57.84  274.53  -51.46  184.82
    3.00  -58.14  289.53  -54.61  197.13
    4.00  -58.43  304.53  -58.14  209.89
    5.00  -59.08  319.53  -62.42  223.27
    6.00  -60.83  334.53  -67.80  237.43
    7.00  -61.87  349.53  -72.13  256.44
    8.00  -62.80    4.53  -75.35  282.41
    9.00  -62.05   19.53  -74.46  314.83
   10.00  -61.64   34.53  -71.29  342.26
   11.00  -61.46   49.53  -67.11    2.58
   12.00  -61.51   64.53  -63.13   18.88
   13.00  -61.77   79.53  -59.74   33.60
   14.00  -62.25   94.53  -56.91   47.69
   15.00  -62.96  109.53  -54.59   61.15
   16.00  -63.88  124.53  -52.93   73.68
   17.00  -65.02  139.53  -52.12   85.34
   18.00  -65.26  154.53  -50.97   95.85
   19.00  -63.90  169.53  -48.68  105.73
   20.00  -62.22  184.53  -46.56  115.95
   21.00  -61.02  199.53  -45.57  126.58
   22.00  -59.19  214.53  -44.66  137.69
   23.00  -58.10  229.53  -45.01  149.23
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.23  244.53  -60.79  151.67
    1.00  -74.12  259.53  -63.49  159.24
    2.00  -74.98  274.53  -66.47  166.18
    3.00  -75.48  289.53  -69.46  173.02
    4.00  -76.26  304.53  -72.89  178.34
    5.00  -77.56  319.53  -76.64  179.83
    6.00  -78.41  334.53  -80.00  179.16
    7.00  -77.23  349.53  -83.22  188.84
    8.00  -76.95    4.53  -86.78  186.15
    9.00  -77.09   19.53  -88.34   94.10
   10.00  -76.54   34.53  -85.04   52.69
   11.00  -76.16   49.53  -81.00   52.97
   12.00  -75.90   64.53  -77.01   58.26
   13.00  -75.68   79.53  -73.23   64.75
   14.00  -75.64   94.53  -69.89   72.14
   15.00  -75.43  109.53  -66.83   79.24
   16.00  -75.71  124.53  -64.69   87.26
   17.00  -75.86  139.53  -62.99   94.98
   18.00  -75.44  154.53  -61.22  102.26
   19.00  -74.60  169.53  -59.47  109.73
   20.00  -74.33  184.53  -58.74  117.83
   21.00  -73.66  199.53  -58.09  126.09
   22.00  -73.81  214.53  -58.78  134.41
   23.00  -73.05  229.53  -59.11  143.19
</PRE>


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