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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 Aug 1997 19:36:20 yearsecs  18646580
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.99  135.19  -53.63   83.05
    1.00  -65.64  150.19  -51.71   93.09
    2.00  -66.84  165.19  -51.87  103.78
    3.00  -68.01  180.19  -52.45  113.98
    4.00  -68.00  195.19  -52.35  123.61
    5.00  -69.01  210.19  -53.86  133.02
    6.00  -69.31  225.19  -55.20  142.34
    7.00  -69.59  240.19  -56.99  151.68
    8.00  -70.65  255.19  -59.86  160.34
    9.00  -71.00  270.19  -62.46  169.39
   10.00  -71.13  285.19  -65.26  178.69
   11.00  -70.17  300.19  -67.61  190.25
   12.00  -69.67  315.19  -70.76  202.22
   13.00  -69.49  330.19  -74.40  215.63
   14.00  -69.60  345.19  -78.27  232.34
   15.00  -69.98    0.19  -81.99  257.31
   16.00  -70.53   15.19  -84.26  302.35
   17.00  -70.98   30.19  -82.85  352.87
   18.00  -70.54   45.19  -78.55   17.46
   19.00  -69.60   60.19  -73.47   31.04
   20.00  -68.36   75.19  -68.18   41.42
   21.00  -67.81   90.19  -63.88   52.56
   22.00  -67.19  105.19  -59.89   63.01
   23.00  -66.60  120.19  -56.46   73.17
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.73  135.19  -60.43   89.18
    1.00  -73.74  150.19  -59.88   98.56
    2.00  -74.64  165.19  -59.74  107.39
    3.00  -78.73  180.19  -63.31  116.79
    4.00  -80.67  195.19  -65.18  123.66
    5.00  -81.00  210.19  -65.79  129.66
    6.00  -80.45  225.19  -65.90  136.06
    7.00  -79.91  240.19  -66.43  142.79
    8.00  -80.22  255.19  -68.11  148.38
    9.00  -80.05  270.19  -69.71  154.43
   10.00  -80.17  285.19  -71.83  159.39
   11.00  -79.95  300.19  -74.03  164.68
   12.00  -80.19  315.19  -76.63  167.15
   13.00  -79.89  330.19  -79.25  170.15
   14.00  -79.78  345.19  -81.99  168.73
   15.00  -79.46    0.19  -84.67  159.98
   16.00  -79.50   15.19  -86.00  126.98
   17.00  -79.19   30.19  -85.04   88.89
   18.00  -79.57   45.19  -82.12   79.16
   19.00  -79.17   60.19  -79.08   74.35
   20.00  -78.42   75.19  -75.69   73.43
   21.00  -76.69   90.19  -71.56   72.96
   22.00  -74.78  105.19  -67.07   75.69
   23.00  -73.41  120.19  -63.20   81.54
</PRE>


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