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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 Aug 1997 11:15:04 yearsecs  19998904
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.79  264.32  -51.50  175.25
    1.00  -60.46  279.32  -54.77  186.69
    2.00  -61.14  294.32  -58.40  198.29
    3.00  -61.81  309.32  -62.50  210.34
    4.00  -60.97  324.32  -65.44  225.83
    5.00  -62.00  339.32  -70.06  241.73
    6.00  -63.05  354.32  -74.22  262.59
    7.00  -63.76    9.32  -76.70  291.82
    8.00  -64.20   24.32  -76.38  325.50
    9.00  -63.56   39.32  -72.48  351.80
   10.00  -63.14   54.32  -67.93   10.56
   11.00  -62.95   69.32  -63.70   25.79
   12.00  -62.98   84.32  -60.05   39.71
   13.00  -63.24   99.32  -56.97   53.06
   14.00  -63.71  114.32  -54.49   65.76
   15.00  -64.42  129.32  -52.78   77.65
   16.00  -65.34  144.32  -51.94   88.87
   17.00  -66.49  159.32  -51.88   99.71
   18.00  -66.48  174.32  -51.08  109.75
   19.00  -65.80  189.32  -50.12  119.66
   20.00  -64.22  204.32  -48.91  129.78
   21.00  -63.12  219.32  -48.83  140.34
   22.00  -61.55  234.32  -48.87  151.59
   23.00  -60.41  249.32  -49.75  163.29
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.88  264.32  -62.27  164.71
    1.00  -72.51  279.32  -65.29  172.90
    2.00  -73.37  294.32  -68.85  180.19
    3.00  -74.04  309.32  -72.53  187.26
    4.00  -75.75  324.32  -76.91  189.50
    5.00  -76.80  339.32  -80.78  190.23
    6.00  -76.97  354.32  -84.35  191.24
    7.00  -76.39    9.32  -88.10  191.38
    8.00  -76.87   24.32  -87.56   67.05
    9.00  -76.93   39.32  -83.81   57.00
   10.00  -76.69   54.32  -79.93   58.25
   11.00  -76.36   69.32  -76.06   62.49
   12.00  -76.07   84.32  -72.40   68.36
   13.00  -75.99   99.32  -69.20   75.37
   14.00  -75.85  114.32  -66.38   82.42
   15.00  -75.39  129.32  -63.75   89.21
   16.00  -75.30  144.32  -61.96   96.82
   17.00  -74.32  159.32  -59.77  104.01
   18.00  -74.14  174.32  -58.81  112.16
   19.00  -74.45  189.32  -58.81  120.47
   20.00  -73.97  204.32  -58.52  128.71
   21.00  -72.62  219.32  -57.91  137.53
   22.00  -72.51  234.32  -59.04  146.28
   23.00  -71.46  249.32  -59.79  155.99
</PRE>


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