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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 Jul 1997 07:48:56 yearsecs  17135336
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -55.98  316.58  -58.62  223.63
    1.00  -56.89  331.58  -63.19  238.62
    2.00  -57.92  346.58  -67.54  256.77
    3.00  -58.83    1.58  -70.83  280.37
    4.00  -61.72   16.58  -74.33  308.69
    5.00  -63.42   31.58  -74.14  338.99
    6.00  -64.04   46.58  -71.14    2.65
    7.00  -63.45   61.58  -66.34   18.89
    8.00  -64.98   76.58  -64.23   35.99
    9.00  -64.49   91.58  -60.07   48.29
   10.00  -64.08  106.58  -56.37   60.07
   11.00  -63.89  121.58  -53.41   71.49
   12.00  -63.92  136.58  -51.32   82.48
   13.00  -64.18  151.58  -50.09   93.25
   14.00  -64.66  166.58  -49.59  103.92
   15.00  -64.73  181.58  -49.12  114.28
   16.00  -64.73  196.58  -49.14  124.49
   17.00  -62.78  211.58  -47.92  134.98
   18.00  -62.25  226.58  -48.69  145.74
   19.00  -62.82  241.58  -50.96  156.33
   20.00  -61.75  256.58  -52.08  168.02
   21.00  -58.93  271.58  -51.95  181.64
   22.00  -57.95  286.58  -53.83  194.79
   23.00  -56.09  301.58  -55.21  209.47
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.98  316.58  -63.51  218.09
    1.00  -61.89  331.58  -68.11  232.47
    2.00  -62.92  346.58  -72.57  250.36
    3.00  -63.83    1.58  -76.11  275.12
    4.00  -66.72   16.58  -80.00  307.86
    5.00  -69.07   31.58  -80.58  348.87
    6.00  -69.04   46.58  -76.72   14.01
    7.00  -68.45   61.58  -71.94   29.23
    8.00  -69.98   76.58  -69.39   46.33
    9.00  -70.12   91.58  -65.80   57.92
   10.00  -70.27  106.58  -62.67   68.53
   11.00  -70.15  121.58  -59.81   78.09
   12.00  -69.91  136.58  -57.45   87.26
   13.00  -69.98  151.58  -56.00   96.64
   14.00  -70.19  166.58  -55.17  106.04
   15.00  -69.73  181.58  -54.15  115.21
   16.00  -69.73  196.58  -54.10  124.49
   17.00  -67.78  211.58  -52.74  134.13
   18.00  -67.25  226.58  -53.39  144.02
   19.00  -67.82  241.58  -55.54  153.65
   20.00  -66.75  256.58  -56.61  164.54
   21.00  -63.93  271.58  -56.51  177.69
   22.00  -62.95  286.58  -58.44  190.15
   23.00  -61.09  301.58  -59.98  204.45
</PRE>


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