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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
15 Sep 1997 12:44:32 yearsecs  22250672
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.22  240.65  -45.49  158.10
    1.00  -57.45  255.65  -47.89  169.77
    2.00  -57.65  270.65  -50.59  181.75
    3.00  -57.83  285.65  -53.54  194.10
    4.00  -57.97  300.65  -56.82  206.89
    5.00  -58.50  315.65  -60.89  220.11
    6.00  -60.20  330.65  -66.26  233.72
    7.00  -61.52  345.65  -70.99  251.09
    8.00  -60.74    0.65  -72.76  276.92
    9.00  -60.56   15.65  -73.06  307.00
   10.00  -60.50   30.65  -70.76  335.10
   11.00  -60.60   45.65  -67.06  356.79
   12.00  -60.87   60.65  -63.33   14.04
   13.00  -61.33   75.65  -60.12   29.35
   14.00  -61.97   90.65  -57.43   43.89
   15.00  -62.80  105.65  -55.19   57.79
   16.00  -63.83  120.65  -53.50   70.73
   17.00  -65.06  135.65  -52.61   82.65
   18.00  -65.37  150.65  -51.39   93.24
   19.00  -64.08  165.65  -49.05  103.07
   20.00  -62.52  180.65  -46.92  113.24
   21.00  -61.28  195.65  -45.71  123.80
   22.00  -59.40  210.65  -44.57  134.79
   23.00  -58.23  225.65  -44.72  146.24
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.44  240.65  -59.63  150.03
    1.00  -73.30  255.65  -62.25  157.98
    2.00  -74.12  270.65  -65.15  165.43
    3.00  -74.55  285.65  -68.06  172.93
    4.00  -75.24  300.65  -71.46  179.29
    5.00  -76.42  315.65  -75.31  182.83
    6.00  -76.69  330.65  -78.75  187.87
    7.00  -75.82  345.65  -82.05  199.47
    8.00  -75.81    0.65  -85.88  206.69
    9.00  -76.13   15.65  -89.61  142.97
   10.00  -75.66   30.65  -85.99   39.36
   11.00  -75.35   45.65  -81.76   45.25
   12.00  -75.16   60.65  -77.63   52.75
   13.00  -75.00   75.65  -73.71   60.38
   14.00  -75.01   90.65  -70.24   68.50
   15.00  -74.85  105.65  -67.04   76.07
   16.00  -75.18  120.65  -64.78   84.47
   17.00  -75.38  135.65  -62.96   92.44
   18.00  -75.01  150.65  -61.10   99.86
   19.00  -74.11  165.65  -59.18  107.36
   20.00  -73.80  180.65  -58.27  115.56
   21.00  -73.06  195.65  -57.43  123.92
   22.00  -73.16  210.65  -57.95  132.41
   23.00  -72.32  225.65  -58.08  141.32
</PRE>


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