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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>
26 Apr 1997 22:55:52 yearsecs  10018552
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.18   84.57  -63.55   45.09
    1.00  -66.23   99.57  -60.12   57.37
    2.00  -67.01  114.57  -57.87   69.62
    3.00  -67.78  129.57  -56.21   80.78
    4.00  -67.36  144.57  -53.98   90.38
    5.00  -67.99  159.57  -53.38  100.58
    6.00  -67.89  174.57  -52.49  110.31
    7.00  -68.22  189.57  -52.54  120.03
    8.00  -69.32  204.57  -53.90  129.46
    9.00  -69.83  219.57  -55.24  138.65
   10.00  -69.73  234.57  -56.50  148.04
   11.00  -69.35  249.57  -57.94  157.85
   12.00  -69.25  264.57  -60.03  167.72
   13.00  -69.41  279.57  -62.74  177.50
   14.00  -69.81  294.57  -66.08  187.02
   15.00  -70.45  309.57  -70.00  196.28
   16.00  -71.08  324.57  -74.15  206.15
   17.00  -71.18  339.57  -78.03  219.70
   18.00  -71.30  354.57  -81.88  239.50
   19.00  -70.64    9.57  -84.07  281.47
   20.00  -69.79   24.57  -82.68  333.35
   21.00  -68.97   39.57  -78.55    3.56
   22.00  -68.32   54.57  -73.76   21.55
   23.00  -67.40   69.57  -68.69   34.33
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.18   84.57  -68.47   55.18
    1.00  -72.31   99.57  -66.03   67.54
    2.00  -73.08  114.57  -63.82   77.84
    3.00  -78.47  129.57  -66.56   93.99
    4.00  -80.33  144.57  -66.78  102.95
    5.00  -80.72  159.57  -66.13  109.29
    6.00  -80.05  174.57  -64.81  114.89
    7.00  -79.04  189.57  -63.51  121.12
    8.00  -79.10  204.57  -63.70  127.88
    9.00  -79.08  219.57  -64.24  134.61
   10.00  -78.88  234.57  -65.02  141.47
   11.00  -78.91  249.57  -66.41  148.07
   12.00  -79.17  264.57  -68.34  154.02
   13.00  -79.00  279.57  -70.26  160.42
   14.00  -78.82  294.57  -72.52  166.54
   15.00  -78.64  309.57  -75.10  172.21
   16.00  -78.46  324.57  -77.96  177.10
   17.00  -78.28  339.57  -81.04  180.43
   18.00  -79.35  354.57  -83.81  166.97
   19.00  -79.62    9.57  -85.63  141.35
   20.00  -78.85   24.57  -86.12   96.95
   21.00  -77.06   39.57  -83.75   58.38
   22.00  -74.25   54.57  -78.75   44.37
   23.00  -72.50   69.57  -73.44   48.03
</PRE>


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