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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 02:36:38 yearsecs  10636598
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.27   30.81  -75.32  338.47
    1.00  -63.95   45.81  -71.25    1.50
    2.00  -64.87   60.81  -68.24   20.58
    3.00  -65.78   75.81  -65.31   36.74
    4.00  -65.57   90.81  -61.41   49.29
    5.00  -66.63  105.81  -59.19   62.71
    6.00  -66.82  120.81  -56.58   73.83
    7.00  -66.67  135.81  -54.25   84.02
    8.00  -67.16  150.81  -53.20   94.38
    9.00  -66.92  165.81  -51.91  104.22
   10.00  -66.50  180.81  -50.92  114.08
   11.00  -66.31  195.81  -50.69  123.99
   12.00  -66.35  210.81  -51.31  133.88
   13.00  -66.60  225.81  -52.71  143.75
   14.00  -67.09  240.81  -54.78  153.56
   15.00  -67.79  255.81  -57.42  163.19
   16.00  -68.73  270.81  -60.60  172.44
   17.00  -69.74  285.81  -64.23  181.21
   18.00  -69.59  300.81  -67.28  191.73
   19.00  -69.01  315.81  -70.39  204.16
   20.00  -67.88  330.81  -73.27  220.40
   21.00  -66.85  345.81  -76.08  241.37
   22.00  -65.82    0.81  -78.06  270.30
   23.00  -64.89   15.81  -77.97  306.29
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.69   30.81  -81.40  349.14
    1.00  -70.78   45.81  -78.60   19.23
    2.00  -71.77   60.81  -75.23   38.64
    3.00  -75.02   75.81  -73.69   60.55
    4.00  -77.10   90.81  -71.71   74.45
    5.00  -78.23  105.81  -69.74   83.69
    6.00  -77.62  120.81  -66.94   88.71
    7.00  -77.08  135.81  -64.56   94.70
    8.00  -77.83  150.81  -63.88  102.60
    9.00  -77.59  165.81  -62.67  109.48
   10.00  -77.84  180.81  -62.39  116.78
   11.00  -77.61  195.81  -62.04  123.96
   12.00  -77.56  210.81  -62.34  131.23
   13.00  -77.34  225.81  -62.91  138.62
   14.00  -77.41  240.81  -64.20  145.83
   15.00  -77.06  255.81  -65.53  153.48
   16.00  -77.18  270.81  -67.63  160.45
   17.00  -76.35  285.81  -69.42  169.24
   18.00  -76.42  300.81  -72.25  176.14
   19.00  -76.34  315.81  -75.30  183.20
   20.00  -75.35  330.81  -78.25  194.56
   21.00  -73.20  345.81  -80.94  216.83
   22.00  -71.56    0.81  -83.50  250.88
   23.00  -70.19   15.81  -83.88  304.81
</PRE>


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