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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>
14 Jul 1997 12:01:40 yearsecs  16804900
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.48  254.78  -52.48  166.21
    1.00  -63.64  269.78  -55.93  176.59
    2.00  -64.62  284.78  -59.58  186.97
    3.00  -67.09  299.78  -64.95  195.13
    4.00  -66.81  314.78  -68.31  207.63
    5.00  -67.60  329.78  -72.77  220.01
    6.00  -67.59  344.78  -76.49  237.97
    7.00  -67.76  359.79  -79.82  263.72
    8.00  -68.37   14.78  -81.87  302.27
    9.00  -68.29   29.78  -80.12  342.84
   10.00  -67.96   44.78  -76.10    8.42
   11.00  -67.76   59.78  -71.74   25.70
   12.00  -67.80   74.78  -67.72   39.84
   13.00  -68.05   89.78  -64.22   52.67
   14.00  -68.54  104.78  -61.33   64.65
   15.00  -69.24  119.78  -59.20   75.84
   16.00  -70.08  134.78  -57.84   86.29
   17.00  -70.73  149.78  -56.90   96.03
   18.00  -70.62  164.78  -55.71  105.13
   19.00  -70.06  179.78  -54.52  114.16
   20.00  -69.12  194.78  -53.47  123.37
   21.00  -68.19  209.78  -53.03  132.90
   22.00  -65.50  224.78  -51.58  143.43
   23.00  -63.57  239.78  -51.42  154.67
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.48  254.78  -56.99  162.74
    1.00  -68.64  269.78  -60.35  171.84
    2.00  -69.62  284.78  -63.92  180.70
    3.00  -75.07  299.78  -71.17  179.28
    4.00  -77.35  314.78  -75.57  178.95
    5.00  -77.89  329.78  -78.90  181.26
    6.00  -77.34  344.78  -82.13  187.62
    7.00  -76.59  359.79  -85.69  195.22
    8.00  -77.02   14.78  -88.63  138.45
    9.00  -76.89   29.78  -86.24   59.40
   10.00  -77.04   44.78  -82.43   58.44
   11.00  -76.89   59.78  -78.63   61.26
   12.00  -77.11   74.78  -75.17   67.86
   13.00  -76.87   89.78  -71.76   73.30
   14.00  -76.81  104.78  -68.82   79.87
   15.00  -76.54  119.78  -66.14   86.31
   16.00  -76.67  134.78  -64.29   93.66
   17.00  -76.33  149.78  -62.48  100.62
   18.00  -76.93  164.78  -62.06  108.55
   19.00  -76.64  179.78  -61.19  115.90
   20.00  -75.47  194.78  -59.86  123.45
   21.00  -73.19  209.78  -57.93  131.91
   22.00  -70.50  224.78  -56.29  141.60
   23.00  -68.57  239.78  -56.01  152.03
</PRE>


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