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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>
04 May 1997 17:58:33 yearsecs  10691913
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.80  159.35  -48.12   98.12
    1.00  -63.97  174.35  -48.55  109.12
    2.00  -64.72  189.35  -49.04  119.59
    3.00  -67.88  204.35  -52.49  129.48
    4.00  -67.42  219.35  -52.93  139.24
    5.00  -67.99  234.35  -54.87  148.80
    6.00  -67.81  249.35  -56.54  158.84
    7.00  -68.05  264.35  -58.95  168.77
    8.00  -69.02  279.35  -62.37  177.86
    9.00  -69.37  294.35  -65.67  187.61
   10.00  -69.17  309.35  -68.93  198.79
   11.00  -68.97  324.35  -72.51  211.53
   12.00  -69.01  339.35  -76.34  226.86
   13.00  -69.26  354.35  -80.14  248.05
   14.00  -69.75    9.35  -83.13  283.34
   15.00  -70.45   24.35  -83.43  334.61
   16.00  -70.88   39.35  -80.46   10.44
   17.00  -70.79   54.35  -76.20   29.02
   18.00  -71.44   69.35  -72.62   44.56
   19.00  -70.81   84.35  -68.19   54.19
   20.00  -70.00   99.35  -63.92   63.17
   21.00  -69.21  114.35  -60.13   72.21
   22.00  -66.64  129.35  -55.07   79.59
   23.00  -64.48  144.35  -51.05   88.36
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.80  159.35  -53.20  100.35
    1.00  -68.97  174.35  -53.59  110.48
    2.00  -69.72  189.35  -54.04  120.03
    3.00  -76.02  204.35  -60.58  128.39
    4.00  -78.16  219.35  -63.33  135.04
    5.00  -78.52  234.35  -64.67  141.72
    6.00  -77.54  249.35  -65.19  149.77
    7.00  -76.11  264.35  -65.85  159.09
    8.00  -75.99  279.35  -68.05  166.83
    9.00  -75.73  294.35  -70.55  174.87
   10.00  -75.15  309.35  -73.24  184.04
   11.00  -75.45  324.35  -76.78  190.75
   12.00  -76.03  339.35  -80.57  195.14
   13.00  -76.01  354.35  -84.29  201.57
   14.00  -75.98    9.35  -88.18  204.71
   15.00  -75.93   24.35  -87.76   42.12
   16.00  -75.88   39.35  -83.65   46.37
   17.00  -75.79   54.35  -79.59   52.75
   18.00  -77.18   69.35  -76.45   66.14
   19.00  -77.60   84.35  -73.35   73.41
   20.00  -76.77   99.35  -69.79   77.32
   21.00  -74.77  114.35  -65.41   80.51
   22.00  -71.64  129.35  -60.11   84.59
   23.00  -69.48  144.35  -56.16   91.77
</PRE>


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