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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>
23 May 1997 15:49:36 yearsecs  12325776
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.40  199.20  -50.86  126.23
    1.00  -66.42  214.20  -51.59  136.11
    2.00  -67.16  229.20  -53.56  145.79
    3.00  -67.89  244.20  -55.94  155.35
    4.00  -67.44  259.20  -57.61  165.80
    5.00  -68.02  274.20  -60.58  175.54
    6.00  -67.86  289.20  -63.32  186.24
    7.00  -68.14  304.20  -66.86  196.79
    8.00  -68.94  319.20  -71.18  207.12
    9.00  -69.44  334.20  -75.38  219.82
   10.00  -69.22  349.20  -78.93  239.50
   11.00  -69.01    4.20  -81.76  270.64
   12.00  -69.03   19.20  -82.45  315.88
   13.00  -69.28   34.20  -80.21  354.96
   14.00  -69.75   49.20  -76.70   19.67
   15.00  -70.46   64.20  -73.15   37.28
   16.00  -71.13   79.20  -69.76   51.17
   17.00  -71.26   94.20  -66.26   62.01
   18.00  -71.42  109.20  -63.24   72.01
   19.00  -70.78  124.20  -60.02   80.48
   20.00  -69.97  139.20  -57.20   88.94
   21.00  -69.19  154.20  -54.98   97.79
   22.00  -68.55  169.20  -53.39  107.06
   23.00  -67.63  184.20  -51.98  116.51
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.45  199.20  -56.86  125.98
    1.00  -73.53  214.20  -58.48  134.31
    2.00  -74.27  229.20  -60.23  142.30
    3.00  -79.31  244.20  -66.24  145.22
    4.00  -81.05  259.20  -69.20  148.37
    5.00  -81.43  274.20  -71.16  152.49
    6.00  -80.84  289.20  -72.78  158.63
    7.00  -79.94  304.20  -74.69  165.78
    8.00  -80.03  319.20  -77.30  168.53
    9.00  -80.00  334.20  -79.98  169.42
   10.00  -79.80  349.20  -82.69  166.72
   11.00  -79.84    4.20  -84.92  150.71
   12.00  -80.05   19.20  -85.36  117.10
   13.00  -79.86   34.20  -83.96   89.51
   14.00  -79.67   49.20  -81.31   78.53
   15.00  -79.48   64.20  -78.29   76.38
   16.00  -79.29   79.20  -75.23   78.16
   17.00  -79.10   94.20  -72.33   81.85
   18.00  -80.07  109.20  -70.56   89.61
   19.00  -80.31  124.20  -68.79   95.33
   20.00  -79.58  139.20  -66.55   99.73
   21.00  -77.89  154.20  -63.68  104.24
   22.00  -75.27  169.20  -60.16  109.87
   23.00  -73.65  184.20  -58.05  117.52
</PRE>


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