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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>
14 Aug 1997 12:30:46 yearsecs  19485046
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.90  247.48  -51.81  160.58
    1.00  -63.31  262.48  -54.43  171.38
    2.00  -63.90  277.48  -57.54  182.16
    3.00  -64.49  292.48  -61.05  193.05
    4.00  -64.21  307.48  -64.23  205.55
    5.00  -65.49  322.48  -69.12  217.00
    6.00  -65.83  337.48  -73.18  232.58
    7.00  -65.75  352.48  -76.51  254.53
    8.00  -66.41    7.48  -79.44  284.54
    9.00  -65.80   22.48  -78.48  322.38
   10.00  -65.38   37.48  -75.11  351.68
   11.00  -65.19   52.48  -70.90   12.00
   12.00  -65.23   67.48  -66.86   27.94
   13.00  -65.48   82.48  -63.31   42.09
   14.00  -65.97   97.48  -60.30   55.33
   15.00  -66.67  112.48  -57.92   67.71
   16.00  -67.61  127.48  -56.33   79.21
   17.00  -68.74  142.48  -55.60   90.02
   18.00  -68.75  157.48  -54.29   99.62
   19.00  -68.07  172.48  -52.76  109.00
   20.00  -66.77  187.48  -51.09  118.53
   21.00  -65.68  202.48  -50.25  128.43
   22.00  -64.52  217.48  -50.02  138.73
   23.00  -63.36  232.48  -50.37  149.55
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.66  247.48  -59.74  154.71
    1.00  -72.82  262.48  -62.80  162.49
    2.00  -73.82  277.48  -66.03  169.73
    3.00  -75.13  292.48  -69.77  175.33
    4.00  -77.79  307.48  -74.31  174.62
    5.00  -78.51  322.48  -77.56  176.39
    6.00  -78.11  337.48  -80.58  181.38
    7.00  -77.48  352.48  -83.90  186.19
    8.00  -78.42    7.48  -86.49  156.83
    9.00  -78.13   22.48  -87.02   95.65
   10.00  -78.22   37.48  -84.10   71.12
   11.00  -78.05   52.48  -80.67   66.82
   12.00  -77.72   67.48  -77.11   68.03
   13.00  -77.55   82.48  -73.72   72.51
   14.00  -77.69   97.48  -70.81   78.91
   15.00  -77.29  112.48  -67.90   84.37
   16.00  -77.15  127.48  -65.63   90.92
   17.00  -75.69  142.48  -62.53   96.29
   18.00  -75.49  157.48  -61.07  103.84
   19.00  -76.12  172.48  -60.89  111.98
   20.00  -75.49  187.48  -59.88  119.61
   21.00  -73.50  202.48  -58.00  127.75
   22.00  -72.64  217.48  -57.81  136.46
   23.00  -71.81  232.48  -58.21  145.61
</PRE>


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