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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>
21 Jan 1997 13:31:24 yearsecs   1776684
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.98  226.56  -49.38  145.49
    1.00  -63.36  241.56  -51.45  156.05
    2.00  -63.97  256.56  -54.10  166.55
    3.00  -64.57  271.56  -57.07  177.11
    4.00  -64.29  286.56  -59.64  188.69
    5.00  -65.57  301.56  -64.04  198.77
    6.00  -65.90  316.56  -67.98  210.80
    7.00  -65.77  331.56  -71.67  225.82
    8.00  -66.18  346.56  -75.64  244.07
    9.00  -65.87    1.56  -78.22  271.80
   10.00  -65.46   16.56  -78.58  308.00
   11.00  -65.27   31.56  -76.33  341.09
   12.00  -65.30   46.56  -72.65    4.84
   13.00  -65.56   61.56  -68.83   22.68
   14.00  -66.04   76.56  -65.40   37.89
   15.00  -66.74   91.56  -62.47   51.81
   16.00  -67.67  106.56  -60.10   64.70
   17.00  -68.80  121.56  -58.47   76.51
   18.00  -68.81  136.56  -56.34   86.27
   19.00  -68.13  151.56  -54.12   95.45
   20.00  -66.83  166.56  -51.79  104.69
   21.00  -65.75  181.56  -50.14  114.44
   22.00  -64.60  196.56  -49.01  124.48
   23.00  -63.45  211.56  -48.56  134.86
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.25  226.56  -55.26  143.23
    1.00  -70.46  241.56  -57.94  151.97
    2.00  -71.50  256.56  -60.80  160.38
    3.00  -73.01  271.56  -64.38  167.57
    4.00  -75.96  286.56  -69.27  170.47
    5.00  -76.93  301.56  -72.71  174.97
    6.00  -76.10  316.56  -75.35  184.43
    7.00  -75.23  331.56  -78.38  195.56
    8.00  -75.88  346.56  -82.30  199.42
    9.00  -76.08    1.56  -86.14  202.86
   10.00  -76.30   16.56  -89.44  112.39
   11.00  -76.19   31.56  -85.82   47.70
   12.00  -75.91   46.56  -81.71   49.89
   13.00  -75.78   61.56  -77.71   56.25
   14.00  -76.01   76.56  -74.14   64.44
   15.00  -75.63   91.56  -70.50   70.61
   16.00  -75.55  106.56  -67.47   77.98
   17.00  -74.01  121.56  -63.55   83.18
   18.00  -73.88  136.56  -61.40   91.19
   19.00  -74.61  151.56  -60.63  100.02
   20.00  -73.90  166.56  -58.92  107.75
   21.00  -71.63  181.56  -56.06  115.59
   22.00  -70.56  196.56  -54.93  124.48
   23.00  -69.52  211.56  -54.43  133.77
</PRE>


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