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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>
08 May 1997 13:49:44 yearsecs  11022584
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.56  229.05  -50.18  147.05
    1.00  -63.62  244.05  -52.02  157.70
    2.00  -64.37  259.05  -54.84  168.08
    3.00  -65.11  274.05  -57.99  178.44
    4.00  -64.86  289.05  -60.66  189.95
    5.00  -66.04  304.05  -65.03  200.05
    6.00  -66.31  319.05  -68.96  212.31
    7.00  -66.17  334.05  -72.64  227.79
    8.00  -66.84  349.05  -76.81  246.30
    9.00  -66.34    4.05  -79.02  276.48
   10.00  -65.92   19.05  -78.96  314.14
   11.00  -65.73   34.05  -76.33  346.38
   12.00  -65.77   49.05  -72.51    8.96
   13.00  -66.02   64.05  -68.68   26.14
   14.00  -66.51   79.05  -65.27   40.96
   15.00  -67.21   94.05  -62.37   54.56
   16.00  -68.14  109.05  -60.08   67.13
   17.00  -69.22  124.05  -58.49   78.61
   18.00  -69.16  139.05  -56.40   88.16
   19.00  -68.52  154.05  -54.32   97.29
   20.00  -67.30  169.05  -52.14  106.51
   21.00  -66.24  184.05  -50.60  116.19
   22.00  -65.15  199.05  -49.61  126.16
   23.00  -64.10  214.05  -49.35  136.46
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.99  229.05  -58.06  143.48
    1.00  -73.10  244.05  -60.62  151.50
    2.00  -74.08  259.05  -63.39  159.02
    3.00  -76.17  274.05  -67.33  163.85
    4.00  -78.62  289.05  -71.49  165.04
    5.00  -79.37  304.05  -74.42  167.83
    6.00  -78.78  319.05  -76.96  174.32
    7.00  -78.31  334.05  -79.88  179.69
    8.00  -78.96  349.05  -82.92  173.68
    9.00  -78.67    4.05  -85.79  161.77
   10.00  -78.80   19.05  -86.68  113.61
   11.00  -78.58   34.05  -84.70   77.67
   12.00  -78.37   49.05  -81.48   69.04
   13.00  -78.16   64.05  -78.03   69.29
   14.00  -78.23   79.05  -74.80   73.86
   15.00  -77.86   94.05  -71.57   78.01
   16.00  -77.82  109.05  -68.89   84.04
   17.00  -76.71  124.05  -65.68   88.61
   18.00  -76.65  139.05  -63.81   95.69
   19.00  -76.96  154.05  -62.77  103.31
   20.00  -76.23  169.05  -61.15  110.28
   21.00  -74.32  184.05  -58.73  117.56
   22.00  -73.21  199.05  -57.62  125.85
   23.00  -72.23  214.05  -57.21  134.61
</PRE>


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