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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>
02 May 1997 18:22:30 yearsecs  10520550
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.05  152.69  -51.92   95.01
    1.00  -65.82  167.69  -50.71  105.09
    2.00  -66.67  182.69  -51.05  115.36
    3.00  -67.51  197.69  -51.92  125.22
    4.00  -67.13  212.69  -52.18  134.97
    5.00  -67.80  227.69  -54.01  144.54
    6.00  -67.71  242.69  -55.58  154.46
    7.00  -67.82  257.69  -57.72  164.44
    8.00  -68.71  272.69  -60.91  173.73
    9.00  -68.86  287.69  -63.86  183.77
   10.00  -68.60  302.69  -66.90  194.86
   11.00  -68.47  317.69  -70.42  206.86
   12.00  -68.44  332.69  -74.21  220.97
   13.00  -68.70  347.69  -78.13  238.93
   14.00  -69.18    2.69  -81.69  266.25
   15.00  -69.89   17.69  -83.49  311.45
   16.00  -70.64   32.69  -81.94  357.03
   17.00  -71.03   47.69  -78.29   22.58
   18.00  -71.06   62.69  -74.11   37.84
   19.00  -70.47   77.69  -69.56   48.38
   20.00  -69.59   92.69  -65.04   57.70
   21.00  -68.75  107.69  -60.95   67.01
   22.00  -68.01  122.69  -57.49   76.40
   23.00  -67.12  137.69  -54.49   85.64
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.24  152.69  -58.17   98.84
    1.00  -73.29  167.69  -58.24  108.09
    2.00  -74.10  182.69  -58.53  116.77
    3.00  -78.82  197.69  -63.30  124.80
    4.00  -80.68  212.69  -65.54  130.81
    5.00  -81.04  227.69  -66.60  136.55
    6.00  -80.43  242.69  -67.11  143.14
    7.00  -79.65  257.69  -67.91  150.35
    8.00  -79.83  272.69  -69.88  155.85
    9.00  -79.76  287.69  -71.96  161.39
   10.00  -79.68  302.69  -74.33  166.31
   11.00  -79.63  317.69  -76.94  170.12
   12.00  -79.75  332.69  -79.71  170.99
   13.00  -79.60  347.69  -82.49  169.04
   14.00  -79.46    2.69  -85.03  156.32
   15.00  -79.23   17.69  -86.27  119.44
   16.00  -79.16   32.69  -84.64   85.15
   17.00  -78.93   47.69  -81.74   73.51
   18.00  -79.70   62.69  -78.62   77.51
   19.00  -79.74   77.69  -75.69   79.69
   20.00  -78.92   92.69  -72.50   80.79
   21.00  -77.18  107.69  -68.61   82.03
   22.00  -74.81  122.69  -64.12   84.95
   23.00  -73.25  137.69  -60.65   91.14
</PRE>


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