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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>
28 Mar 1997 23:44:37 yearsecs   7515877
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.75   76.25  -53.92   24.13
    1.00  -57.12   91.25  -51.39   38.52
    2.00  -57.49  106.25  -49.09   52.63
    3.00  -57.85  121.25  -46.99   66.05
    4.00  -58.20  136.25  -45.34   78.50
    5.00  -58.98  151.25  -44.74   90.49
    6.00  -60.94  166.25  -45.83  102.44
    7.00  -62.58  181.25  -46.97  113.67
    8.00  -62.27  196.25  -46.71  124.24
    9.00  -61.66  211.25  -46.81  134.91
   10.00  -61.22  226.25  -47.67  145.82
   11.00  -61.03  241.25  -49.23  156.92
   12.00  -61.06  256.25  -51.39  168.19
   13.00  -61.32  271.25  -54.09  179.59
   14.00  -61.80  286.25  -57.33  191.04
   15.00  -62.51  301.25  -61.22  202.51
   16.00  -63.44  316.25  -65.71  214.42
   17.00  -64.60  331.25  -70.54  227.70
   18.00  -64.83  346.25  -74.32  246.47
   19.00  -63.45    1.25  -75.68  274.95
   20.00  -61.78   16.25  -74.42  307.97
   21.00  -60.58   31.25  -70.72  336.14
   22.00  -58.74   46.25  -64.40  355.57
   23.00  -57.65   61.25  -58.78   10.67
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.91   76.25  -68.45   43.54
    1.00  -69.87   91.25  -65.64   57.18
    2.00  -70.77  106.25  -63.21   69.09
    3.00  -71.21  121.25  -60.90   79.18
    4.00  -71.97  136.25  -59.55   89.00
    5.00  -73.33  151.25  -59.38   98.82
    6.00  -73.59  166.25  -58.62  107.42
    7.00  -72.39  181.25  -56.84  115.57
    8.00  -72.29  196.25  -56.65  124.27
    9.00  -72.57  211.25  -57.39  132.90
   10.00  -72.12  226.25  -57.95  141.77
   11.00  -71.86  241.25  -59.17  150.81
   12.00  -71.73  256.25  -60.96  159.96
   13.00  -71.63  271.25  -63.17  169.25
   14.00  -71.74  286.25  -65.96  178.37
   15.00  -71.63  301.25  -69.00  188.09
   16.00  -72.10  316.25  -72.82  197.02
   17.00  -72.40  331.25  -76.73  207.28
   18.00  -72.03  346.25  -80.32  223.59
   19.00  -71.03    1.25  -83.13  254.95
   20.00  -70.70   16.25  -84.43  306.32
   21.00  -69.87   31.25  -81.50  350.77
   22.00  -69.92   46.25  -77.69   16.54
   23.00  -68.84   61.25  -72.43   29.94
</PRE>


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