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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>
24 Jun 1997 21:10:12 yearsecs  15109812
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.69  109.40  -57.50   64.23
    1.00  -65.81  124.40  -54.96   75.36
    2.00  -66.69  139.40  -53.85   86.45
    3.00  -67.57  154.40  -53.33   96.99
    4.00  -67.27  169.40  -52.09  106.73
    5.00  -68.04  184.40  -52.40  116.70
    6.00  -68.12  199.40  -52.56  126.30
    7.00  -68.69  214.40  -53.79  135.73
    8.00  -70.04  229.40  -56.27  144.66
    9.00  -70.88  244.40  -58.65  153.44
   10.00  -70.44  259.40  -60.28  163.20
   11.00  -69.79  274.40  -62.14  173.59
   12.00  -69.47  289.40  -64.72  184.04
   13.00  -69.46  304.40  -68.00  194.56
   14.00  -69.73  319.40  -71.84  205.47
   15.00  -70.27  334.40  -76.06  217.51
   16.00  -70.81  349.40  -80.25  233.53
   17.00  -70.84    4.40  -83.56  264.23
   18.00  -70.91   19.40  -84.51  318.69
   19.00  -70.18   34.40  -81.07  358.61
   20.00  -69.26   49.40  -76.16   18.30
   21.00  -68.38   64.40  -71.10   31.79
   22.00  -67.75   79.40  -66.48   43.69
   23.00  -66.86   94.40  -61.93   54.27
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.13  109.40  -64.80   74.95
    1.00  -74.23  124.40  -63.33   85.03
    2.00  -75.01  139.40  -62.18   93.96
    3.00  -79.86  154.40  -65.60  106.31
    4.00  -81.56  169.40  -66.52  113.81
    5.00  -81.97  184.40  -66.58  119.64
    6.00  -81.48  199.40  -66.06  125.28
    7.00  -80.73  214.40  -65.66  131.48
    8.00  -80.91  229.40  -66.59  137.34
    9.00  -81.07  244.40  -67.82  142.92
   10.00  -81.05  259.40  -69.22  148.44
   11.00  -80.70  274.40  -70.70  154.40
   12.00  -80.71  289.40  -72.74  159.08
   13.00  -80.47  304.40  -74.92  163.81
   14.00  -80.24  319.40  -77.37  167.52
   15.00  -80.02  334.40  -80.01  169.28
   16.00  -79.80  349.40  -82.73  166.67
   17.00  -79.57    4.40  -85.17  152.48
   18.00  -80.47   19.40  -84.91  117.59
   19.00  -80.67   34.40  -83.37   95.39
   20.00  -79.93   49.40  -81.22   80.29
   21.00  -78.26   64.40  -77.98   69.91
   22.00  -75.68   79.40  -73.26   64.66
   23.00  -74.21   94.40  -68.78   68.55
</PRE>


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