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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>
03 Aug 1997 18:07:26 yearsecs  18554846
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.23  159.43  -42.37   96.06
    1.00  -57.30  174.43  -41.79  107.62
    2.00  -57.33  189.43  -41.67  119.04
    3.00  -57.29  204.43  -42.13  130.37
    4.00  -57.19  219.43  -43.11  141.77
    5.00  -57.39  234.43  -44.87  153.22
    6.00  -58.65  249.43  -48.10  164.28
    7.00  -59.04  264.43  -50.83  175.83
    8.00  -58.09  279.43  -52.60  188.68
    9.00  -59.77  294.43  -57.16  199.77
   10.00  -59.77  309.43  -60.60  212.86
   11.00  -59.95  324.43  -64.49  227.25
   12.00  -60.34  339.43  -68.47  244.18
   13.00  -60.92  354.43  -72.07  265.65
   14.00  -61.69    9.43  -74.44  293.60
   15.00  -62.65   24.43  -74.54  324.94
   16.00  -63.79   39.43  -72.73  352.29
   17.00  -65.12   54.43  -70.28   14.12
   18.00  -65.52   69.43  -66.68   30.37
   19.00  -64.33   84.43  -61.56   41.89
   20.00  -62.78   99.43  -56.46   52.58
   21.00  -61.57  114.43  -52.18   63.67
   22.00  -59.66  129.43  -47.75   74.08
   23.00  -58.38  144.43  -44.68   84.98
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.07  159.43  -56.49  102.10
    1.00  -71.97  174.43  -56.62  111.46
    2.00  -72.84  189.43  -57.18  120.37
    3.00  -73.30  204.43  -57.85  128.87
    4.00  -74.06  219.43  -59.31  137.03
    5.00  -75.38  234.43  -61.73  144.38
    6.00  -75.77  249.43  -63.64  151.88
    7.00  -75.00  264.43  -64.93  160.76
    8.00  -75.56  279.43  -67.74  167.69
    9.00  -75.57  294.43  -70.45  175.29
   10.00  -74.49  309.43  -72.85  186.03
   11.00  -73.95  324.43  -75.99  196.65
   12.00  -73.69  339.43  -79.58  208.40
   13.00  -73.50  354.43  -83.34  225.07
   14.00  -73.53    9.43  -86.89  262.85
   15.00  -73.38   24.43  -86.33  352.24
   16.00  -73.77   39.43  -82.70   27.84
   17.00  -74.03   54.43  -78.65   43.10
   18.00  -73.66   69.43  -74.36   51.91
   19.00  -72.72   84.43  -69.84   58.87
   20.00  -72.42   99.43  -66.15   67.67
   21.00  -71.70  114.43  -62.54   75.68
   22.00  -71.88  129.43  -60.34   84.91
   23.00  -70.97  144.43  -57.65   92.98
</PRE>


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