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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>
25 Jul 1997 11:30:08 yearsecs  17753408
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.60  261.86  -51.85  172.79
    1.00  -61.81  276.86  -55.55  183.58
    2.00  -62.56  291.86  -59.18  194.77
    3.00  -67.87  306.86  -67.27  199.29
    4.00  -67.43  321.86  -70.62  212.69
    5.00  -68.03  336.86  -74.92  226.65
    6.00  -67.96  351.86  -78.44  247.89
    7.00  -68.11    6.86  -81.17  279.95
    8.00  -69.04   21.86  -82.21  323.92
    9.00  -69.37   36.86  -79.65    0.24
   10.00  -69.15   51.86  -75.36   20.86
   11.00  -68.93   66.86  -70.98   35.47
   12.00  -68.95   81.86  -67.05   48.18
   13.00  -69.19   96.86  -63.70   60.01
   14.00  -69.67  111.86  -61.04   71.15
   15.00  -70.37  126.86  -59.21   81.66
   16.00  -71.01  141.86  -57.96   91.46
   17.00  -70.76  156.86  -56.36  100.36
   18.00  -71.32  171.86  -56.06  109.71
   19.00  -70.69  186.86  -55.03  118.61
   20.00  -69.89  201.86  -54.37  127.74
   21.00  -68.71  216.86  -53.97  137.28
   22.00  -64.98  231.86  -51.81  148.47
   23.00  -62.54  246.86  -51.39  160.32
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.60  261.86  -56.39  169.17
    1.00  -66.81  276.86  -60.00  178.73
    2.00  -67.56  291.86  -63.61  188.58
    3.00  -74.52  306.86  -72.30  184.55
    4.00  -76.28  321.86  -76.60  186.13
    5.00  -77.40  336.86  -80.34  185.80
    6.00  -76.70  351.86  -83.75  193.95
    7.00  -75.58    6.86  -87.49  215.24
    8.00  -75.85   21.86  -88.43   39.56
    9.00  -76.02   36.86  -84.36   46.84
   10.00  -75.87   51.86  -80.28   52.07
   11.00  -76.08   66.86  -76.52   60.15
   12.00  -76.51   81.86  -73.23   68.66
   13.00  -76.39   96.86  -69.99   75.20
   14.00  -76.27  111.86  -67.15   82.03
   15.00  -76.14  126.86  -64.78   89.07
   16.00  -76.01  141.86  -62.90   96.33
   17.00  -75.76  156.86  -61.37  103.72
   18.00  -76.95  171.86  -61.75  112.06
   19.00  -77.18  186.86  -61.61  119.56
   20.00  -76.09  201.86  -60.59  127.10
   21.00  -73.71  216.86  -58.81  135.74
   22.00  -69.98  231.86  -56.45  146.22
   23.00  -67.54  246.86  -55.95  157.35
</PRE>


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