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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
24 Apr 1997 14:59:16 yearsecs   9817156
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.24  211.99  -48.39  135.19
    1.00  -64.51  226.99  -50.86  145.29
    2.00  -65.36  241.99  -53.35  155.32
    3.00  -67.38  256.99  -57.22  164.34
    4.00  -67.14  271.99  -59.43  174.94
    5.00  -68.01  286.99  -62.99  184.47
    6.00  -68.20  301.99  -66.40  195.02
    7.00  -68.91  316.99  -70.60  205.35
    8.00  -70.44  331.99  -75.57  214.59
    9.00  -70.76  346.99  -79.61  230.36
   10.00  -70.04    1.99  -82.38  261.38
   11.00  -69.40   16.99  -82.97  308.97
   12.00  -69.07   31.99  -80.50  349.77
   13.00  -69.05   46.99  -76.62   14.59
   14.00  -69.31   61.99  -72.69   31.94
   15.00  -69.85   76.99  -69.17   46.35
   16.00  -70.40   91.99  -65.97   58.76
   17.00  -70.42  106.99  -62.72   69.03
   18.00  -70.48  121.99  -60.06   78.74
   19.00  -69.71  136.99  -57.20   87.34
   20.00  -68.76  151.99  -54.73   96.12
   21.00  -67.93  166.99  -52.87  105.39
   22.00  -66.85  181.99  -51.24  114.93
   23.00  -64.80  196.99  -49.22  124.77
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.24  211.99  -53.21  134.30
    1.00  -69.51  226.99  -55.54  143.39
    2.00  -70.36  241.99  -57.90  152.31
    3.00  -76.59  256.99  -65.27  154.71
    4.00  -78.73  271.99  -68.98  157.96
    5.00  -79.16  286.99  -71.49  162.82
    6.00  -78.34  301.99  -73.57  170.72
    7.00  -77.12  316.99  -75.93  180.70
    8.00  -77.13  331.99  -79.19  186.03
    9.00  -77.17  346.99  -82.63  189.19
   10.00  -76.95    1.99  -86.19  188.68
   11.00  -77.07   16.99  -88.60  115.70
   12.00  -77.41   31.99  -85.58   65.40
   13.00  -77.23   46.99  -81.90   60.26
   14.00  -77.05   61.99  -78.15   62.90
   15.00  -76.87   76.99  -74.54   67.83
   16.00  -76.68   91.99  -71.18   73.75
   17.00  -76.49  106.99  -68.17   80.17
   18.00  -77.74  121.99  -66.88   89.45
   19.00  -78.07  136.99  -65.37   96.61
   20.00  -77.20  151.99  -63.16  102.53
   21.00  -75.12  166.99  -60.13  108.62
   22.00  -71.85  181.99  -56.27  115.89
   23.00  -69.80  196.99  -54.17  124.75
</PRE>


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