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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>
20 Feb 1997 00:31:16 yearsecs   4321876
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.01   69.46  -66.09   29.44
    1.00  -65.21   84.46  -62.53   43.35
    2.00  -66.20   99.46  -60.11   57.24
    3.00  -67.21  114.46  -58.09   69.78
    4.00  -67.03  129.46  -55.46   80.02
    5.00  -67.98  144.46  -54.62   90.74
    6.00  -68.26  159.46  -53.66  100.65
    7.00  -69.09  174.46  -53.71  110.58
    8.00  -70.74  189.46  -55.06  120.19
    9.00  -70.67  204.46  -55.23  129.24
   10.00  -69.85  219.46  -55.25  138.58
   11.00  -69.17  234.46  -55.97  148.27
   12.00  -68.82  249.46  -57.45  158.18
   13.00  -68.77  264.46  -59.59  168.14
   14.00  -69.01  279.46  -62.39  177.94
   15.00  -69.54  294.46  -65.84  187.39
   16.00  -70.08  309.46  -69.69  197.00
   17.00  -70.09  324.46  -73.39  208.81
   18.00  -70.13  339.46  -77.24  223.37
   19.00  -69.35  354.46  -80.23  247.95
   20.00  -68.37    9.46  -81.68  286.60
   21.00  -67.58   24.46  -80.25  328.90
   22.00  -67.01   39.46  -76.47  358.10
   23.00  -66.15   54.46  -71.45   16.24
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.03   69.46  -72.23   43.42
    1.00  -72.25   84.46  -69.43   57.69
    2.00  -73.11   99.46  -66.76   69.06
    3.00  -78.56  114.46  -68.64   87.91
    4.00  -80.46  129.46  -68.32   97.50
    5.00  -80.91  144.46  -67.32  103.74
    6.00  -80.32  159.46  -65.74  108.85
    7.00  -79.68  174.46  -64.44  114.66
    8.00  -79.48  189.46  -63.96  121.13
    9.00  -79.41  204.46  -64.02  127.76
   10.00  -79.12  219.46  -64.28  134.54
   11.00  -79.11  234.46  -65.24  141.20
   12.00  -79.30  249.46  -66.75  147.47
   13.00  -79.07  264.46  -68.25  154.17
   14.00  -78.83  279.46  -70.13  160.77
   15.00  -78.60  294.46  -72.38  167.17
   16.00  -78.36  309.46  -74.96  173.22
   17.00  -78.12  324.46  -77.85  178.75
   18.00  -79.17  339.46  -81.02  174.35
   19.00  -79.41  354.46  -83.77  166.53
   20.00  -78.61    9.46  -86.58  149.09
   21.00  -76.81   24.46  -87.55   65.35
   22.00  -74.00   39.46  -82.83   29.60
   23.00  -72.28   54.46  -77.41   34.97
</PRE>


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