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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>
25 Jun 1997 00:30:20 yearsecs  15121820
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.78   61.30  -64.33   16.00
    1.00  -63.04   76.30  -62.06   32.53
    2.00  -63.86   91.30  -59.43   47.12
    3.00  -68.13  106.30  -60.62   65.15
    4.00  -67.73  121.30  -57.42   75.14
    5.00  -68.34  136.30  -55.89   85.71
    6.00  -68.22  151.30  -54.23   95.34
    7.00  -68.56  166.30  -53.54  105.19
    8.00  -69.62  181.30  -54.04  115.01
    9.00  -70.32  196.30  -54.69  124.32
   10.00  -69.90  211.30  -54.78  133.53
   11.00  -69.56  226.30  -55.54  142.94
   12.00  -69.48  241.30  -57.02  152.45
   13.00  -69.64  256.30  -59.13  161.96
   14.00  -70.04  271.30  -61.82  171.27
   15.00  -70.68  286.30  -65.10  180.12
   16.00  -71.05  301.30  -68.56  189.30
   17.00  -70.87  316.30  -71.95  200.25
   18.00  -71.50  331.30  -76.15  210.51
   19.00  -70.84  346.30  -79.50  229.09
   20.00  -70.00    1.30  -82.22  259.84
   21.00  -69.20   16.30  -82.78  306.72
   22.00  -65.78   31.30  -76.98  341.32
   23.00  -63.52   46.30  -70.59    1.47
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.78   61.30  -70.27   24.98
    1.00  -68.04   76.30  -67.58   41.68
    2.00  -68.86   91.30  -64.66   55.31
    3.00  -75.50  106.30  -67.47   77.73
    4.00  -77.73  121.30  -66.97   89.13
    5.00  -78.11  136.30  -65.48   96.36
    6.00  -76.91  151.30  -62.94  101.93
    7.00  -75.85  166.30  -60.90  108.67
    8.00  -76.18  181.30  -60.68  116.54
    9.00  -76.35  196.30  -60.77  124.23
   10.00  -76.15  211.30  -60.95  131.93
   11.00  -76.31  226.30  -61.95  139.52
   12.00  -76.69  241.30  -63.60  146.78
   13.00  -76.53  256.30  -65.14  154.44
   14.00  -76.38  271.30  -67.08  162.12
   15.00  -76.21  286.30  -69.41  169.78
   16.00  -76.05  301.30  -72.12  177.41
   17.00  -75.87  316.30  -75.17  185.14
   18.00  -77.21  331.30  -79.06  185.36
   19.00  -77.53  346.30  -82.49  186.17
   20.00  -76.54    1.30  -86.08  195.57
   21.00  -74.29   16.30  -88.37  307.24
   22.00  -70.78   31.30  -82.40  354.55
   23.00  -68.52   46.30  -76.28   12.09
</PRE>


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