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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>
23 Jul 1997 20:18:04 yearsecs  17612284
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.12  124.13  -55.32   75.46
    1.00  -65.93  139.13  -53.09   85.71
    2.00  -66.76  154.13  -52.52   96.36
    3.00  -67.58  169.13  -52.41  106.66
    4.00  -67.18  184.13  -51.54  116.39
    5.00  -67.84  199.13  -52.27  126.13
    6.00  -67.73  214.13  -52.85  135.78
    7.00  -67.87  229.13  -54.21  145.45
    8.00  -68.77  244.13  -56.71  154.74
    9.00  -68.85  259.13  -58.84  164.52
   10.00  -68.70  274.13  -61.15  174.71
   11.00  -68.51  289.13  -63.85  185.27
   12.00  -68.55  304.13  -67.19  196.02
   13.00  -68.80  319.13  -71.05  207.36
   14.00  -69.29  334.13  -75.24  220.19
   15.00  -69.99  349.13  -79.54  236.54
   16.00  -70.73    4.13  -83.41  263.99
   17.00  -71.07   19.13  -84.71  317.89
   18.00  -71.13   34.13  -82.06    2.30
   19.00  -70.53   49.13  -77.44   22.33
   20.00  -69.66   64.13  -72.44   34.92
   21.00  -68.83   79.13  -67.63   45.73
   22.00  -68.11   94.13  -63.26   56.12
   23.00  -67.22  109.13  -59.12   65.95
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.88  124.13  -61.11   81.76
    1.00  -72.94  139.13  -60.18   91.64
    2.00  -73.75  154.13  -59.57  100.74
    3.00  -78.62  169.13  -63.56  111.68
    4.00  -80.50  184.13  -65.06  119.07
    5.00  -80.86  199.13  -65.42  125.25
    6.00  -80.23  214.13  -65.15  131.63
    7.00  -79.39  229.13  -65.11  138.61
    8.00  -79.54  244.13  -66.44  144.89
    9.00  -79.47  259.13  -67.93  151.25
   10.00  -79.36  274.13  -69.74  157.45
   11.00  -79.32  289.13  -71.92  163.14
   12.00  -79.52  304.13  -74.50  167.32
   13.00  -79.32  319.13  -77.12  171.84
   14.00  -79.18  334.13  -79.97  174.43
   15.00  -78.97  349.13  -82.94  173.57
   16.00  -78.89    4.13  -85.65  159.26
   17.00  -78.67   19.13  -86.80  112.75
   18.00  -79.51   34.13  -84.19   86.63
   19.00  -79.59   49.13  -81.34   77.99
   20.00  -78.78   64.13  -78.17   72.59
   21.00  -77.02   79.13  -74.14   69.26
   22.00  -74.55   94.13  -69.12   69.21
   23.00  -72.95  109.13  -64.69   74.48
</PRE>


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