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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>
28 Jul 1997 14:16:12 yearsecs  18022572
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.91  225.81  -52.06  144.00
    1.00  -65.99  240.81  -53.78  154.16
    2.00  -66.82  255.81  -56.56  163.96
    3.00  -67.65  270.81  -59.67  173.59
    4.00  -67.29  285.81  -62.13  184.57
    5.00  -68.00  300.81  -65.96  194.47
    6.00  -68.00  315.81  -69.57  206.24
    7.00  -68.48  330.81  -73.76  218.93
    8.00  -69.37  345.81  -78.24  233.99
    9.00  -69.61    0.81  -81.76  260.21
   10.00  -69.23   15.81  -82.82  305.13
   11.00  -68.90   30.81  -80.57  346.71
   12.00  -68.82   45.81  -76.72   12.32
   13.00  -68.99   60.81  -72.70   29.90
   14.00  -69.40   75.81  -69.04   44.32
   15.00  -70.06   90.81  -65.93   57.25
   16.00  -70.70  105.81  -63.23   68.69
   17.00  -70.80  120.81  -60.57   78.39
   18.00  -70.92  135.81  -58.56   87.72
   19.00  -70.24  150.81  -56.32   96.33
   20.00  -69.39  165.81  -54.41  105.23
   21.00  -68.63  180.81  -53.05  114.50
   22.00  -68.01  195.81  -52.38  124.01
   23.00  -67.11  210.81  -52.05  133.75
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.95  225.81  -56.80  142.04
    1.00  -72.10  240.81  -59.35  150.38
    2.00  -72.89  255.81  -61.91  158.52
    3.00  -78.35  270.81  -68.54  158.22
    4.00  -80.24  285.81  -71.96  159.40
    5.00  -80.64  300.81  -74.42  162.35
    6.00  -79.97  315.81  -76.69  168.26
    7.00  -79.18  330.81  -79.33  174.28
    8.00  -79.04  345.81  -82.27  174.13
    9.00  -79.05    0.81  -85.03  163.08
   10.00  -78.82   15.81  -86.74  125.54
   11.00  -78.87   30.81  -85.14   84.82
   12.00  -79.13   45.81  -82.10   75.48
   13.00  -78.94   60.81  -78.92   73.06
   14.00  -78.75   75.81  -75.70   75.01
   15.00  -78.56   90.81  -72.63   78.98
   16.00  -78.37  105.81  -69.84   84.04
   17.00  -78.17  120.81  -67.41   89.74
   18.00  -79.24  135.81  -66.58   97.85
   19.00  -79.51  150.81  -65.51  104.43
   20.00  -78.72  165.81  -63.81  110.24
   21.00  -76.90  180.81  -61.42  116.49
   22.00  -74.05  195.81  -58.42  124.01
   23.00  -72.27  210.81  -57.08  132.72
</PRE>


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