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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 May 1997 23:24:15 yearsecs  12698655
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.41   76.03  -60.13   29.82
    1.00  -62.00   91.03  -57.39   44.28
    2.00  -62.60  106.03  -54.89   57.87
    3.00  -63.18  121.03  -52.75   70.41
    4.00  -62.52  136.03  -49.92   81.10
    5.00  -63.62  151.03  -49.57   92.57
    6.00  -64.10  166.03  -49.05  103.34
    7.00  -64.61  181.03  -49.01  113.88
    8.00  -65.02  196.03  -49.41  124.12
    9.00  -65.00  211.03  -50.02  134.25
   10.00  -65.07  226.03  -51.29  144.43
   11.00  -64.54  241.03  -52.48  155.07
   12.00  -64.49  256.03  -54.49  165.81
   13.00  -64.68  271.03  -57.09  176.61
   14.00  -65.12  286.03  -60.27  187.36
   15.00  -65.79  301.03  -64.11  198.03
   16.00  -66.69  316.03  -68.52  208.93
   17.00  -67.35  331.03  -72.88  221.87
   18.00  -67.09  346.03  -76.34  241.07
   19.00  -67.11    1.03  -79.39  268.08
   20.00  -65.64   16.03  -78.81  306.65
   21.00  -64.50   31.03  -75.54  339.13
   22.00  -63.11   46.03  -70.15    0.50
   23.00  -61.93   61.03  -64.60   15.94
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.21   76.03  -67.81   41.80
    1.00  -69.19   91.03  -65.04   55.71
    2.00  -70.20  106.03  -62.71   68.05
    3.00  -71.15  121.03  -60.88   78.97
    4.00  -73.82  136.03  -61.40   90.83
    5.00  -74.82  151.03  -60.88   99.90
    6.00  -74.72  166.03  -59.77  107.89
    7.00  -74.07  181.03  -58.54  115.84
    8.00  -74.78  196.03  -59.17  124.12
    9.00  -75.10  211.03  -59.89  132.11
   10.00  -75.17  226.03  -60.84  140.06
   11.00  -74.91  241.03  -61.94  148.28
   12.00  -74.56  256.03  -63.39  156.79
   13.00  -74.45  271.03  -65.48  165.15
   14.00  -74.49  286.03  -68.08  173.26
   15.00  -74.00  301.03  -70.69  182.64
   16.00  -73.86  316.03  -73.94  191.75
   17.00  -72.35  331.03  -76.64  207.30
   18.00  -72.09  346.03  -80.31  223.02
   19.00  -72.72    1.03  -84.47  243.36
   20.00  -72.02   16.03  -85.89  305.16
   21.00  -69.91   31.03  -81.59  350.42
   22.00  -69.28   46.03  -77.12   14.06
   23.00  -68.11   61.03  -71.75   27.82
</PRE>


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