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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 May 1997 00:54:14 yearsecs  10630454
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.40   55.36  -71.49   17.80
    1.00  -66.39   70.36  -67.40   32.94
    2.00  -67.13   85.36  -64.35   47.45
    3.00  -67.86  100.36  -61.61   60.41
    4.00  -67.40  115.36  -58.12   70.65
    5.00  -67.97  130.36  -56.29   81.48
    6.00  -67.80  145.36  -54.35   91.20
    7.00  -68.02  160.36  -53.36  101.11
    8.00  -68.99  175.36  -53.58  111.12
    9.00  -69.21  190.36  -53.53  120.61
   10.00  -69.13  205.36  -53.75  129.98
   11.00  -68.94  220.36  -54.45  139.42
   12.00  -68.98  235.36  -55.89  148.95
   13.00  -69.24  250.36  -57.94  158.45
   14.00  -69.72  265.36  -60.57  167.76
   15.00  -70.43  280.36  -63.76  176.63
   16.00  -71.11  295.36  -67.31  185.26
   17.00  -71.28  310.36  -70.82  194.99
   18.00  -71.43  325.36  -74.59  205.76
   19.00  -70.80  340.36  -77.96  222.01
   20.00  -69.98  355.36  -80.98  247.14
   21.00  -69.20   10.36  -82.63  287.71
   22.00  -68.55   25.36  -81.19  332.75
   23.00  -67.62   40.36  -76.91    0.99
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.47   55.36  -76.51   32.56
    1.00  -72.56   70.36  -73.28   48.82
    2.00  -73.31   85.36  -70.10   60.98
    3.00  -78.59  100.36  -70.92   82.52
    4.00  -80.42  115.36  -69.97   92.53
    5.00  -80.80  130.36  -68.51   98.47
    6.00  -80.12  145.36  -66.52  102.97
    7.00  -79.13  160.36  -64.51  108.13
    8.00  -79.18  175.36  -63.90  114.79
    9.00  -79.23  190.36  -63.70  121.50
   10.00  -79.04  205.36  -63.67  128.25
   11.00  -79.11  220.36  -64.31  134.95
   12.00  -79.37  235.36  -65.54  141.34
   13.00  -79.19  250.36  -66.74  148.01
   14.00  -79.03  265.36  -68.33  154.61
   15.00  -78.86  280.36  -70.28  161.06
   16.00  -78.70  295.36  -72.59  167.20
   17.00  -78.51  310.36  -75.20  172.96
   18.00  -79.54  325.36  -78.33  171.75
   19.00  -79.79  340.36  -81.12  169.93
   20.00  -79.02  355.36  -84.10  169.34
   21.00  -77.24   10.36  -87.86  165.05
   22.00  -74.48   25.36  -86.96   10.74
   23.00  -72.76   40.36  -81.75   21.99
</PRE>


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