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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>
01 Sep 1997 12:12:16 yearsecs  21039136
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.98  249.90  -51.30  162.87
    1.00  -63.20  264.90  -54.72  173.28
    2.00  -64.12  279.90  -58.19  183.78
    3.00  -67.36  294.90  -64.09  191.09
    4.00  -66.98  309.90  -67.26  203.24
    5.00  -67.67  324.90  -71.59  215.01
    6.00  -67.60  339.90  -75.31  231.45
    7.00  -67.83  354.90  -78.96  253.69
    8.00  -68.61    9.90  -81.97  287.43
    9.00  -68.72   24.90  -81.45  331.86
   10.00  -68.44   39.90  -77.91    2.46
   11.00  -68.24   54.90  -73.60   21.72
   12.00  -68.28   69.90  -69.50   36.61
   13.00  -68.54   84.90  -65.89   49.75
   14.00  -69.03   99.90  -62.86   61.92
   15.00  -69.74  114.90  -60.55   73.25
   16.00  -70.51  129.90  -58.91   83.69
   17.00  -70.93  144.90  -57.56   93.22
   18.00  -70.95  159.90  -56.34  102.32
   19.00  -70.35  174.90  -54.96  111.23
   20.00  -69.46  189.90  -53.78  120.34
   21.00  -68.54  204.90  -53.15  129.76
   22.00  -65.46  219.90  -51.11  140.14
   23.00  -63.37  234.90  -50.65  151.27
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.98  249.90  -55.86  159.78
    1.00  -68.20  264.90  -59.17  168.99
    2.00  -69.12  279.90  -62.56  178.09
    3.00  -75.16  294.90  -70.26  176.52
    4.00  -77.11  309.90  -74.45  177.93
    5.00  -77.91  324.90  -77.88  179.90
    6.00  -77.26  339.90  -81.00  187.38
    7.00  -76.33  354.90  -84.47  198.32
    8.00  -76.66    9.90  -88.13  181.56
    9.00  -76.62   24.90  -87.51   59.91
   10.00  -76.62   39.90  -83.64   53.94
   11.00  -76.60   54.90  -79.76   57.88
   12.00  -76.89   69.90  -76.19   65.04
   13.00  -76.68   84.90  -72.67   70.58
   14.00  -76.58   99.90  -69.54   77.09
   15.00  -76.36  114.90  -66.73   83.65
   16.00  -76.36  129.90  -64.59   90.87
   17.00  -76.09  144.90  -62.69   97.94
   18.00  -76.98  159.90  -62.39  106.18
   19.00  -76.94  174.90  -61.63  113.56
   20.00  -75.83  189.90  -60.21  120.92
   21.00  -73.54  204.90  -58.10  129.10
   22.00  -70.46  219.90  -55.87  138.64
   23.00  -68.37  234.90  -55.27  148.97
</PRE>


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