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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>
15 Apr 1997 01:23:16 yearsecs   8990596
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.19   49.88  -72.76   10.89
    1.00  -66.24   64.88  -68.69   27.40
    2.00  -67.01   79.88  -65.59   42.63
    3.00  -67.78   94.88  -62.75   56.14
    4.00  -67.36  109.88  -59.12   66.69
    5.00  -67.99  124.88  -57.11   77.85
    6.00  -67.89  139.88  -55.02   87.68
    7.00  -68.23  154.88  -53.96   97.67
    8.00  -69.25  169.88  -54.06  107.74
    9.00  -69.62  184.88  -53.97  117.24
   10.00  -69.31  199.88  -53.75  126.55
   11.00  -69.03  214.88  -54.15  135.95
   12.00  -69.00  229.88  -55.34  145.44
   13.00  -69.21  244.88  -57.21  154.93
   14.00  -69.65  259.88  -59.66  164.27
   15.00  -70.32  274.88  -62.68  173.23
   16.00  -70.97  289.88  -66.06  181.95
   17.00  -71.09  304.88  -69.40  191.64
   18.00  -71.23  319.88  -73.09  202.03
   19.00  -70.57  334.88  -76.40  217.00
   20.00  -69.73  349.88  -79.51  238.69
   21.00  -68.95    4.88  -81.79  272.59
   22.00  -68.32   19.88  -81.60  317.38
   23.00  -67.41   34.88  -78.03  351.14
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.46   49.88  -79.55   36.43
    1.00  -74.54   64.88  -76.15   52.44
    2.00  -75.31   79.88  -72.90   63.69
    3.00  -80.07   94.88  -72.78   85.18
    4.00  -81.49  109.88  -71.43   93.68
    5.00  -82.05  124.88  -70.11   99.37
    6.00  -81.43  139.88  -68.18  102.94
    7.00  -80.52  154.88  -66.21  107.23
    8.00  -80.54  169.88  -65.47  113.25
    9.00  -80.49  184.88  -65.04  119.38
   10.00  -80.24  199.88  -64.79  125.63
   11.00  -80.25  214.88  -65.19  131.93
   12.00  -80.43  229.88  -66.15  138.00
   13.00  -80.22  244.88  -67.12  144.30
   14.00  -80.02  259.88  -68.46  150.56
   15.00  -79.82  274.88  -70.16  156.68
   16.00  -79.62  289.88  -72.22  162.52
   17.00  -79.45  304.88  -74.60  167.78
   18.00  -80.43  319.88  -77.48  166.65
   19.00  -80.70  334.88  -80.02  165.04
   20.00  -80.03  349.88  -82.72  164.55
   21.00  -78.47    4.88  -86.07  162.50
   22.00  -76.01   19.88  -88.95   49.45
   23.00  -74.53   34.88  -84.40   29.07
</PRE>


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