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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>
04 May 1997 02:37:54 yearsecs  10636674
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.27   30.50  -75.38  337.90
    1.00  -63.95   45.50  -71.33    1.10
    2.00  -64.87   60.50  -68.32   20.26
    3.00  -65.78   75.50  -65.39   36.46
    4.00  -65.57   90.50  -61.48   49.04
    5.00  -66.63  105.50  -59.26   62.48
    6.00  -66.82  120.50  -56.63   73.62
    7.00  -66.67  135.50  -54.29   83.81
    8.00  -67.16  150.50  -53.23   94.18
    9.00  -66.92  165.50  -51.93  104.02
   10.00  -66.50  180.50  -50.92  113.88
   11.00  -66.31  195.50  -50.69  123.79
   12.00  -66.35  210.50  -51.29  133.68
   13.00  -66.60  225.50  -52.69  143.54
   14.00  -67.09  240.50  -54.75  153.35
   15.00  -67.79  255.50  -57.38  162.99
   16.00  -68.73  270.50  -60.55  172.23
   17.00  -69.74  285.50  -64.16  181.00
   18.00  -69.59  300.50  -67.21  191.52
   19.00  -69.01  315.50  -70.31  203.91
   20.00  -67.88  330.50  -73.19  220.08
   21.00  -66.85  345.50  -76.00  240.92
   22.00  -65.82    0.50  -78.01  269.65
   23.00  -64.89   15.50  -77.98  305.56
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.72   30.50  -81.50  348.54
    1.00  -70.81   45.50  -78.72   18.98
    2.00  -71.81   60.50  -75.35   38.51
    3.00  -75.06   75.50  -73.79   60.51
    4.00  -77.15   90.50  -71.80   74.45
    5.00  -78.26  105.50  -69.81   83.64
    6.00  -77.65  120.50  -67.01   88.63
    7.00  -77.11  135.50  -64.62   94.59
    8.00  -77.86  150.50  -63.92  102.48
    9.00  -77.61  165.50  -62.70  109.34
   10.00  -77.86  180.50  -62.41  116.64
   11.00  -77.62  195.50  -62.06  123.81
   12.00  -77.57  210.50  -62.34  131.08
   13.00  -77.35  225.50  -62.90  138.46
   14.00  -77.42  240.50  -64.18  145.67
   15.00  -77.07  255.50  -65.50  153.32
   16.00  -77.18  270.50  -67.59  160.30
   17.00  -76.36  285.50  -69.37  169.07
   18.00  -76.43  300.50  -72.19  175.97
   19.00  -76.35  315.50  -75.24  183.02
   20.00  -75.37  330.50  -78.19  194.34
   21.00  -73.22  345.50  -80.88  216.41
   22.00  -71.58    0.50  -83.46  250.02
   23.00  -70.22   15.50  -83.91  303.68
</PRE>


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