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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>
21 Sep 1997 21:37:28 yearsecs  22801048
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.45  104.94  -53.85   55.65
    1.00  -62.05  119.94  -51.74   68.54
    2.00  -62.66  134.94  -50.20   80.40
    3.00  -63.26  149.94  -49.28   91.61
    4.00  -62.67  164.94  -47.65  102.07
    5.00  -63.85  179.94  -48.27  112.99
    6.00  -64.54  194.94  -48.92  123.38
    7.00  -64.75  209.94  -49.72  133.55
    8.00  -65.37  224.94  -51.47  143.59
    9.00  -64.73  239.94  -52.52  154.22
   10.00  -64.32  254.94  -54.18  165.14
   11.00  -64.13  269.94  -56.40  176.30
   12.00  -64.16  284.94  -59.20  187.60
   13.00  -64.42  299.94  -62.64  199.04
   14.00  -64.90  314.94  -66.70  211.00
   15.00  -65.61  329.94  -71.11  224.39
   16.00  -66.54  344.94  -75.60  240.87
   17.00  -66.55  359.94  -78.65  267.01
   18.00  -66.41   14.94  -79.70  303.65
   19.00  -67.03   29.94  -78.69  340.62
   20.00  -65.59   44.94  -73.42    3.23
   21.00  -64.49   59.94  -68.03   18.97
   22.00  -63.14   74.94  -62.50   31.42
   23.00  -61.97   89.94  -57.59   43.27
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.18  104.94  -60.95   64.25
    1.00  -69.17  119.94  -59.10   75.87
    2.00  -70.19  134.94  -57.93   86.49
    3.00  -71.14  149.94  -57.30   96.43
    4.00  -73.86  164.94  -58.97  106.83
    5.00  -75.04  179.94  -59.55  115.51
    6.00  -74.51  194.94  -58.88  123.53
    7.00  -73.62  209.94  -58.37  131.90
    8.00  -74.46  224.94  -60.08  139.86
    9.00  -74.12  239.94  -61.10  148.34
   10.00  -73.83  254.94  -62.61  157.01
   11.00  -73.66  269.94  -64.66  165.71
   12.00  -73.40  284.94  -67.04  174.71
   13.00  -73.39  299.94  -70.03  183.44
   14.00  -73.56  314.94  -73.50  192.01
   15.00  -73.13  329.94  -76.86  203.51
   16.00  -73.08  344.94  -80.65  216.65
   17.00  -71.55  359.94  -83.30  248.95
   18.00  -71.41   14.94  -85.22  300.62
   19.00  -72.24   29.94  -84.08  359.45
   20.00  -71.68   44.94  -79.63   22.13
   21.00  -69.72   59.94  -73.65   31.14
   22.00  -69.26   74.94  -69.13   43.26
   23.00  -68.13   89.94  -64.26   52.94
</PRE>


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