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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>
04 Jan 1997 13:36:49 yearsecs    308209
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.93  222.72  -51.80  141.91
    1.00  -66.01  237.72  -53.43  152.04
    2.00  -66.84  252.72  -56.12  161.82
    3.00  -67.66  267.72  -59.15  171.45
    4.00  -67.29  282.72  -61.52  182.36
    5.00  -67.99  297.72  -65.25  192.21
    6.00  -67.97  312.72  -68.78  203.75
    7.00  -68.42  327.72  -72.93  216.00
    8.00  -69.55  342.72  -77.62  229.28
    9.00  -69.90  357.72  -81.42  252.18
   10.00  -69.47   12.72  -83.05  294.80
   11.00  -69.10   27.72  -81.40  340.01
   12.00  -68.99   42.72  -77.73    8.49
   13.00  -69.13   57.72  -73.70   27.20
   14.00  -69.53   72.72  -69.98   42.07
   15.00  -70.17   87.72  -66.77   55.22
   16.00  -70.79  102.72  -63.96   66.81
   17.00  -70.88  117.72  -61.17   76.58
   18.00  -71.00  132.72  -59.03   85.93
   19.00  -70.31  147.72  -56.67   94.48
   20.00  -69.44  162.72  -54.64  103.30
   21.00  -68.65  177.72  -53.16  112.54
   22.00  -68.04  192.72  -52.37  122.04
   23.00  -67.13  207.72  -51.90  131.74
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.11  222.72  -56.70  140.12
    1.00  -72.26  237.72  -59.15  148.44
    2.00  -73.04  252.72  -61.63  156.57
    3.00  -78.46  267.72  -68.20  156.69
    4.00  -80.33  282.72  -71.57  158.14
    5.00  -80.73  297.72  -73.98  161.26
    6.00  -80.07  312.72  -76.18  167.23
    7.00  -79.11  327.72  -78.72  174.32
    8.00  -79.16  342.72  -81.65  173.97
    9.00  -79.16  357.72  -84.45  165.78
   10.00  -78.92   12.72  -86.54  136.23
   11.00  -78.98   27.72  -85.58   91.16
   12.00  -79.22   42.72  -82.71   77.50
   13.00  -79.03   57.72  -79.59   73.43
   14.00  -78.84   72.72  -76.37   74.65
   15.00  -78.65   87.72  -73.27   78.25
   16.00  -78.46  102.72  -70.43   83.08
   17.00  -78.26  117.72  -67.93   88.63
   18.00  -79.33  132.72  -66.97   96.72
   19.00  -79.59  147.72  -65.82  103.24
   20.00  -78.81  162.72  -64.05  108.92
   21.00  -77.00  177.72  -61.60  114.99
   22.00  -74.17  192.72  -58.53  122.31
   23.00  -72.42  207.72  -57.09  130.90
</PRE>


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