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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>
16 Jul 1997 16:43:12 yearsecs  16994592
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.46  185.70  -48.79  117.06
    1.00  -65.46  200.70  -49.97  127.25
    2.00  -66.68  215.70  -51.95  137.04
    3.00  -67.89  230.70  -54.39  146.46
    4.00  -67.92  245.70  -56.15  156.33
    5.00  -69.00  260.70  -59.21  165.42
    6.00  -69.33  275.70  -61.98  175.01
    7.00  -69.45  290.70  -64.97  184.95
    8.00  -70.33  305.70  -68.99  193.78
    9.00  -70.35  320.70  -72.65  204.98
   10.00  -70.00  335.70  -76.18  219.70
   11.00  -69.28  350.70  -79.32  241.67
   12.00  -68.97    5.70  -81.91  274.73
   13.00  -68.91   20.70  -82.18  320.30
   14.00  -69.09   35.70  -79.65  357.19
   15.00  -69.50   50.70  -76.03   20.61
   16.00  -70.14   65.70  -72.45   37.67
   17.00  -70.79   80.70  -69.08   51.44
   18.00  -70.22   95.70  -64.95   61.02
   19.00  -69.01  110.70  -60.61   69.46
   20.00  -68.33  125.70  -57.33   78.74
   21.00  -67.65  140.70  -54.68   88.03
   22.00  -66.18  155.70  -51.82   97.12
   23.00  -64.85  170.70  -49.58  106.83
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.46  185.70  -53.80  117.73
    1.00  -70.73  200.70  -55.18  126.97
    2.00  -71.93  215.70  -57.01  135.66
    3.00  -76.25  230.70  -62.23  141.80
    4.00  -78.68  245.70  -65.83  146.66
    5.00  -79.13  260.70  -67.84  152.49
    6.00  -78.52  275.70  -69.36  159.94
    7.00  -78.02  290.70  -71.39  167.33
    8.00  -78.53  305.70  -74.33  171.38
    9.00  -78.27  320.70  -77.13  177.04
   10.00  -78.48  335.70  -80.25  178.81
   11.00  -78.14  350.70  -83.42  180.27
   12.00  -78.09    5.70  -86.46  165.47
   13.00  -77.69   20.70  -87.64   97.42
   14.00  -77.55   35.70  -84.67   64.75
   15.00  -77.06   50.70  -80.95   59.64
   16.00  -77.10   65.70  -77.28   64.45
   17.00  -76.47   80.70  -73.47   67.99
   18.00  -76.51   95.70  -70.31   74.97
   19.00  -75.77  110.70  -66.92   80.48
   20.00  -74.98  125.70  -63.86   86.78
   21.00  -73.00  140.70  -60.07   92.58
   22.00  -71.18  155.70  -56.88   99.92
   23.00  -69.85  170.70  -54.62  108.46
</PRE>


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