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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>
19 Mar 1997 23:55:23 yearsecs   6738923
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.73   74.88  -64.37   34.01
    1.00  -65.00   89.88  -61.01   47.63
    2.00  -66.06  104.88  -58.80   61.25
    3.00  -67.15  119.88  -57.07   73.53
    4.00  -67.06  134.88  -54.76   83.70
    5.00  -68.10  149.88  -54.23   94.35
    6.00  -68.50  164.88  -53.57  104.26
    7.00  -69.47  179.88  -53.92  114.09
    8.00  -71.29  194.88  -55.64  123.47
    9.00  -72.25  209.88  -57.02  132.18
   10.00  -71.01  224.88  -56.79  141.45
   11.00  -70.03  239.88  -57.36  151.21
   12.00  -69.44  254.88  -58.74  161.22
   13.00  -69.19  269.88  -60.85  171.30
   14.00  -69.28  284.88  -63.66  181.25
   15.00  -69.69  299.88  -67.15  190.91
   16.00  -70.13  314.88  -71.04  200.95
   17.00  -70.06  329.88  -74.75  213.75
   18.00  -70.04  344.88  -78.54  230.36
   19.00  -69.19  359.89  -81.20  259.60
   20.00  -68.15   14.88  -81.63  302.70
   21.00  -67.21   29.88  -78.90  340.82
   22.00  -66.67   44.88  -74.66    5.39
   23.00  -65.84   59.88  -69.61   21.50
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.05   74.88  -69.91   45.15
    1.00  -71.33   89.88  -67.32   59.21
    2.00  -72.22  104.88  -64.84   70.66
    3.00  -77.95  119.88  -67.35   88.92
    4.00  -79.94  134.88  -67.30   98.60
    5.00  -80.41  149.88  -66.44  105.13
    6.00  -79.78  164.88  -64.92  110.62
    7.00  -78.82  179.88  -63.41  116.68
    8.00  -78.95  194.88  -63.42  123.52
    9.00  -78.96  209.88  -63.71  130.31
   10.00  -78.65  224.88  -64.13  137.29
   11.00  -78.64  239.88  -65.25  144.10
   12.00  -78.84  254.88  -66.93  150.48
   13.00  -78.59  269.88  -68.59  157.35
   14.00  -78.34  284.88  -70.64  164.13
   15.00  -78.10  299.88  -73.05  170.73
   16.00  -77.85  314.88  -75.80  177.02
   17.00  -77.60  329.88  -78.85  182.86
   18.00  -78.69  344.88  -82.14  177.10
   19.00  -78.94  359.89  -84.94  165.44
   20.00  -78.07   14.88  -87.52  130.96
   21.00  -76.15   29.88  -86.27   46.99
   22.00  -73.18   44.88  -80.78   30.03
   23.00  -71.38   59.88  -75.16   36.41
</PRE>


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