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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>
19 Sep 1997 17:00:58 yearsecs  22611658
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.20  174.96  -46.74  109.12
    1.00  -63.66  189.96  -47.99  119.92
    2.00  -64.93  204.96  -49.63  130.16
    3.00  -66.98  219.96  -52.56  139.76
    4.00  -66.72  234.96  -53.77  149.82
    5.00  -67.54  249.96  -56.37  159.44
    6.00  -67.55  264.96  -58.61  169.65
    7.00  -67.51  279.96  -61.19  180.14
    8.00  -68.26  294.96  -64.88  189.78
    9.00  -68.14  309.96  -68.25  201.22
   10.00  -67.79  324.96  -71.71  214.81
   11.00  -67.60  339.96  -75.33  231.53
   12.00  -67.64  354.96  -78.80  254.37
   13.00  -67.90    9.96  -81.21  288.80
   14.00  -68.38   24.96  -81.07  331.42
   15.00  -69.09   39.96  -78.56    4.56
   16.00  -69.94   54.96  -75.25   26.79
   17.00  -70.38   69.96  -71.52   42.00
   18.00  -70.52   84.96  -67.77   53.97
   19.00  -69.97   99.96  -63.76   63.54
   20.00  -69.02  114.96  -59.82   72.36
   21.00  -67.03  129.96  -55.38   80.35
   22.00  -64.59  144.96  -51.10   88.85
   23.00  -62.92  159.96  -48.20   98.60
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.20  174.96  -51.78  110.38
    1.00  -68.66  189.96  -52.97  120.32
    2.00  -69.93  204.96  -54.53  129.64
    3.00  -75.39  219.96  -60.64  136.73
    4.00  -77.95  234.96  -64.19  142.52
    5.00  -78.44  249.96  -66.04  148.89
    6.00  -77.77  264.96  -67.29  156.70
    7.00  -77.09  279.96  -68.98  164.87
    8.00  -77.46  294.96  -71.79  170.62
    9.00  -77.17  309.96  -74.50  177.73
   10.00  -77.22  324.96  -77.67  183.20
   11.00  -76.89  339.96  -80.95  189.81
   12.00  -76.95  354.96  -84.51  191.37
   13.00  -76.55    9.96  -88.19  184.67
   14.00  -76.34   24.96  -87.56   52.92
   15.00  -75.88   39.96  -83.49   46.70
   16.00  -75.87   54.96  -79.46   53.54
   17.00  -75.38   69.96  -75.36   58.75
   18.00  -75.87   84.96  -72.12   68.04
   19.00  -75.14   99.96  -68.39   73.71
   20.00  -74.21  114.96  -64.80   79.89
   21.00  -72.03  129.96  -60.41   85.38
   22.00  -69.59  144.96  -56.20   92.23
   23.00  -67.92  159.96  -53.28  100.81
</PRE>


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