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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>
18 May 1997 03:11:15 yearsecs  11848275
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.82   22.27  -70.27  319.90
    1.00  -60.09   37.27  -68.64  345.06
    2.00  -60.87   52.27  -65.59    5.00
    3.00  -67.79   67.27  -69.71   33.09
    4.00  -67.38   82.27  -65.38   45.37
    5.00  -68.02   97.27  -62.45   58.36
    6.00  -67.95  112.27  -59.25   69.14
    7.00  -68.41  127.27  -57.18   79.87
    8.00  -69.20  142.27  -56.08   90.24
    9.00  -69.45  157.27  -55.01   99.87
   10.00  -69.18  172.27  -53.88  109.23
   11.00  -68.92  187.27  -53.25  118.65
   12.00  -68.90  202.27  -53.41  128.07
   13.00  -69.12  217.27  -54.40  137.43
   14.00  -69.57  232.27  -56.11  146.68
   15.00  -70.03  247.27  -58.25  155.87
   16.00  -69.91  262.27  -60.25  165.56
   17.00  -69.78  277.27  -62.64  175.50
   18.00  -71.08  292.27  -66.64  183.33
   19.00  -70.52  307.27  -69.51  194.49
   20.00  -69.71  322.27  -72.55  207.90
   21.00  -67.57  337.27  -74.64  228.33
   22.00  -63.56  352.27  -74.34  258.30
   23.00  -60.92    7.27  -73.51  289.70
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.82   22.27  -76.22  320.96
    1.00  -65.09   37.27  -74.82  350.87
    2.00  -65.87   52.27  -71.74   13.11
    3.00  -73.34   67.27  -74.69   49.29
    4.00  -75.81   82.27  -72.68   66.53
    5.00  -75.97   97.27  -69.58   74.32
    6.00  -75.36  112.27  -66.29   80.49
    7.00  -74.16  127.27  -62.86   86.48
    8.00  -74.51  142.27  -61.39   94.94
    9.00  -74.72  157.27  -60.31  103.17
   10.00  -74.60  172.27  -59.35  111.22
   11.00  -74.85  187.27  -59.24  119.41
   12.00  -75.36  202.27  -59.86  127.41
   13.00  -75.26  217.27  -60.35  135.37
   14.00  -75.15  232.27  -61.32  143.40
   15.00  -75.03  247.27  -62.73  151.52
   16.00  -74.91  262.27  -64.56  159.72
   17.00  -74.78  277.27  -66.76  167.99
   18.00  -76.08  292.27  -70.39  172.99
   19.00  -76.31  307.27  -73.48  179.45
   20.00  -75.14  322.27  -76.14  190.92
   21.00  -72.57  337.27  -78.37  211.78
   22.00  -68.56  352.27  -79.06  246.76
   23.00  -65.92    7.27  -78.90  284.74
</PRE>


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