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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>
31 Aug 1997 03:46:54 yearsecs  20922414
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -55.52   14.58  -67.25  306.17
    1.00  -56.89   29.58  -66.38  331.69
    2.00  -57.71   44.58  -63.44  352.61
    3.00  -66.10   59.58  -69.99   21.73
    4.00  -67.37   74.58  -67.33   38.77
    5.00  -68.39   89.58  -64.61   53.13
    6.00  -68.65  104.58  -61.49   64.68
    7.00  -67.34  119.58  -57.32   73.53
    8.00  -67.75  134.58  -55.50   84.08
    9.00  -68.01  149.58  -54.17   94.09
   10.00  -67.88  164.58  -52.96  103.80
   11.00  -68.18  179.58  -52.64  113.62
   12.00  -68.08  194.58  -52.43  123.22
   13.00  -68.19  209.58  -53.03  132.77
   14.00  -68.54  224.58  -54.42  142.24
   15.00  -68.43  239.58  -55.86  151.98
   16.00  -68.30  254.58  -57.70  161.96
   17.00  -68.06  269.58  -59.81  172.32
   18.00  -69.45  284.58  -63.74  180.81
   19.00  -69.35  299.58  -66.81  191.29
   20.00  -68.36  314.58  -69.56  204.50
   21.00  -65.46  329.58  -70.90  224.27
   22.00  -60.94  344.58  -70.19  250.37
   23.00  -57.93  359.59  -69.65  277.50
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.52   14.58  -73.06  304.84
    1.00  -61.89   29.58  -72.71  334.17
    2.00  -62.71   44.58  -70.04  358.03
    3.00  -71.10   59.58  -75.01   35.19
    4.00  -73.86   74.58  -73.18   55.89
    5.00  -74.01   89.58  -69.68   65.29
    6.00  -73.65  104.58  -66.20   73.12
    7.00  -72.34  119.58  -62.27   79.68
    8.00  -72.75  134.58  -60.52   88.85
    9.00  -73.01  149.58  -59.20   97.62
   10.00  -72.88  164.58  -58.00  106.11
   11.00  -73.18  179.58  -57.68  114.80
   12.00  -73.76  194.58  -58.12  123.33
   13.00  -73.65  209.58  -58.39  131.69
   14.00  -73.54  224.58  -59.17  140.13
   15.00  -73.43  239.58  -60.42  148.68
   16.00  -73.30  254.58  -62.11  157.37
   17.00  -73.06  269.58  -64.10  166.34
   18.00  -74.45  284.58  -67.79  172.54
   19.00  -74.69  299.58  -70.87  180.13
   20.00  -73.36  314.58  -73.28  192.36
   21.00  -70.46  329.58  -74.97  212.28
   22.00  -65.94  344.58  -74.97  241.73
   23.00  -62.93  359.59  -74.92  272.38
</PRE>


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