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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>
13 Jul 1997 20:41:37 yearsecs  16749697
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.06  117.66  -56.33   70.77
    1.00  -66.18  132.66  -54.15   81.46
    2.00  -67.04  147.66  -53.36   92.22
    3.00  -67.90  162.66  -53.08  102.56
    4.00  -67.58  177.66  -52.08  112.24
    5.00  -68.31  192.66  -52.63  122.01
    6.00  -68.33  207.66  -53.07  131.53
    7.00  -68.80  222.66  -54.50  140.93
    8.00  -70.03  237.66  -57.11  149.81
    9.00  -70.74  252.66  -59.59  158.68
   10.00  -70.47  267.66  -61.59  168.42
   11.00  -69.99  282.66  -63.82  178.77
   12.00  -69.78  297.66  -66.73  189.20
   13.00  -69.82  312.66  -70.26  199.94
   14.00  -70.12  327.66  -74.23  211.53
   15.00  -70.67  342.66  -78.45  225.18
   16.00  -71.21  357.66  -82.52  245.92
   17.00  -71.23   12.66  -84.95  291.35
   18.00  -71.29   27.66  -83.70  347.81
   19.00  -70.57   42.66  -79.28   14.10
   20.00  -69.65   57.66  -74.22   28.68
   21.00  -68.78   72.66  -69.27   40.20
   22.00  -68.10   87.66  -64.78   51.10
   23.00  -67.21  102.66  -60.45   61.16
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.88  117.66  -62.15   77.90
    1.00  -73.01  132.66  -61.02   88.05
    2.00  -73.79  147.66  -60.15   97.20
    3.00  -78.99  162.66  -64.24  109.03
    4.00  -80.78  177.66  -65.48  116.55
    5.00  -81.18  192.66  -65.71  122.65
    6.00  -80.57  207.66  -65.28  128.80
    7.00  -79.64  222.66  -64.96  135.61
    8.00  -79.72  237.66  -66.05  141.95
    9.00  -79.72  252.66  -67.43  148.19
   10.00  -79.53  267.66  -69.01  154.57
   11.00  -79.76  282.66  -71.21  159.64
   12.00  -80.18  297.66  -73.73  163.15
   13.00  -79.94  312.66  -76.13  167.78
   14.00  -79.70  327.66  -78.78  171.11
   15.00  -79.47  342.66  -81.60  171.69
   16.00  -79.25  357.66  -84.39  164.99
   17.00  -79.02   12.66  -86.44  136.01
   18.00  -79.98   27.66  -84.77   99.58
   19.00  -80.19   42.66  -82.37   85.16
   20.00  -79.42   57.66  -79.62   75.79
   21.00  -77.68   72.66  -75.92   69.49
   22.00  -74.96   87.66  -70.86   66.76
   23.00  -73.21  102.66  -66.19   71.17
</PRE>


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