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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>
21 Sep 1997 01:13:36 yearsecs  22727616
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.51   51.57  -71.52   11.54
    1.00  -64.95   66.57  -66.78   26.54
    2.00  -65.96   81.57  -64.05   42.14
    3.00  -66.97   96.57  -61.54   56.13
    4.00  -66.71  111.57  -58.13   67.10
    5.00  -67.53  126.57  -56.39   78.53
    6.00  -67.56  141.57  -54.49   88.54
    7.00  -67.51  156.57  -53.10   98.38
    8.00  -68.04  171.57  -52.77  108.41
    9.00  -68.13  186.57  -52.46  118.10
   10.00  -67.77  201.57  -52.28  127.70
   11.00  -67.58  216.57  -52.87  137.39
   12.00  -67.62  231.57  -54.23  147.15
   13.00  -67.87  246.57  -56.22  156.93
   14.00  -68.36  261.57  -58.78  166.60
   15.00  -69.06  276.57  -61.90  175.93
   16.00  -69.92  291.57  -65.54  184.80
   17.00  -70.64  306.57  -69.44  193.76
   18.00  -70.50  321.57  -72.98  205.30
   19.00  -69.95  336.57  -76.37  220.78
   20.00  -68.99  351.57  -79.28  244.12
   21.00  -68.05    6.57  -81.08  279.31
   22.00  -67.20   21.57  -80.18  321.13
   23.00  -66.36   36.57  -76.46  351.94
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.33   51.57  -77.46   28.19
    1.00  -72.37   66.57  -74.14   45.36
    2.00  -73.28   81.57  -70.99   58.52
    3.00  -77.71   96.57  -71.00   78.61
    4.00  -79.78  111.57  -70.01   89.68
    5.00  -80.12  126.57  -68.35   95.79
    6.00  -79.47  141.57  -66.23  100.55
    7.00  -78.84  156.57  -64.45  106.21
    8.00  -79.17  171.57  -64.02  113.11
    9.00  -79.00  186.57  -63.48  119.76
   10.00  -79.13  201.57  -63.67  126.53
   11.00  -78.93  216.57  -63.95  133.35
   12.00  -79.06  231.57  -64.97  139.97
   13.00  -78.81  246.57  -66.03  146.88
   14.00  -78.74  261.57  -67.63  153.53
   15.00  -78.47  276.57  -69.45  160.42
   16.00  -78.57  291.57  -71.88  166.15
   17.00  -78.30  306.57  -74.39  172.48
   18.00  -78.80  321.57  -77.46  174.78
   19.00  -78.56  336.57  -80.43  178.41
   20.00  -77.59  351.57  -83.68  185.28
   21.00  -75.71    6.57  -87.43  211.78
   22.00  -73.61   21.57  -87.09  341.78
   23.00  -72.09   36.57  -82.27   12.14
</PRE>


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