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    <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>
02 May 1997 15:01:06 yearsecs  10508466
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.44  211.79  -47.60  135.18
    1.00  -62.98  226.79  -49.40  145.65
    2.00  -63.54  241.79  -51.65  156.12
    3.00  -64.08  256.79  -54.24  166.64
    4.00  -63.73  271.79  -56.37  178.02
    5.00  -65.03  286.79  -60.34  188.04
    6.00  -65.45  301.79  -63.99  199.11
    7.00  -65.40  316.79  -67.60  211.85
    8.00  -66.08  331.79  -72.00  225.44
    9.00  -65.50  346.79  -75.07  245.92
   10.00  -65.03    1.79  -77.38  273.75
   11.00  -64.84   16.79  -77.88  308.64
   12.00  -64.87   31.79  -75.83  341.01
   13.00  -65.13   46.79  -72.39    4.83
   14.00  -65.62   61.79  -68.83   23.04
   15.00  -66.32   76.79  -65.65   38.63
   16.00  -67.25   91.79  -62.94   52.85
   17.00  -68.41  106.79  -60.79   65.90
   18.00  -68.44  121.79  -58.06   76.26
   19.00  -67.75  136.79  -55.23   85.54
   20.00  -66.40  151.79  -52.34   94.60
   21.00  -65.29  166.79  -50.22  104.29
   22.00  -64.08  181.79  -48.47  114.31
   23.00  -62.90  196.79  -47.34  124.63
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.93  211.79  -55.81  133.61
    1.00  -72.07  226.79  -57.94  142.11
    2.00  -73.07  241.79  -60.34  150.22
    3.00  -74.10  256.79  -63.10  157.74
    4.00  -76.83  271.79  -67.51  161.55
    5.00  -77.86  286.79  -70.63  166.12
    6.00  -77.23  301.79  -72.92  174.18
    7.00  -76.50  316.79  -75.60  183.03
    8.00  -77.14  331.79  -79.15  185.87
    9.00  -77.18  346.79  -82.58  189.09
   10.00  -77.28    1.79  -86.06  183.91
   11.00  -77.13   16.79  -88.54  118.05
   12.00  -76.78   31.79  -85.74   56.60
   13.00  -76.65   46.79  -81.85   55.65
   14.00  -76.81   61.79  -78.11   61.59
   15.00  -76.40   76.79  -74.32   65.99
   16.00  -76.26   91.79  -70.92   72.45
   17.00  -74.68  106.79  -66.68   76.35
   18.00  -74.47  121.79  -63.94   83.97
   19.00  -75.23  136.79  -62.69   92.85
   20.00  -74.65  151.79  -60.66  100.18
   21.00  -72.64  166.79  -57.63  107.27
   22.00  -71.88  181.79  -56.31  115.78
   23.00  -71.02  196.79  -55.39  124.61
</PRE>


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