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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 Apr 1997 17:18:19 yearsecs   8097499
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.31  172.79  -49.96  108.39
    1.00  -64.64  187.79  -48.96  118.51
    2.00  -65.70  202.79  -50.29  128.63
    3.00  -66.77  217.79  -52.19  138.39
    4.00  -66.56  232.79  -53.38  148.43
    5.00  -67.43  247.79  -55.98  158.05
    6.00  -67.49  262.79  -58.21  168.21
    7.00  -67.39  277.79  -60.67  178.75
    8.00  -68.09  292.79  -64.26  188.48
    9.00  -67.86  307.79  -67.48  200.02
   10.00  -67.48  322.79  -70.90  213.45
   11.00  -67.29  337.79  -74.53  229.64
   12.00  -67.32  352.79  -78.05  251.29
   13.00  -67.58    7.79  -80.71  283.43
   14.00  -68.06   22.79  -81.01  325.20
   15.00  -68.77   37.79  -78.80  359.94
   16.00  -69.66   52.79  -75.60   23.53
   17.00  -70.50   67.79  -72.21   40.50
   18.00  -70.30   82.79  -68.11   51.87
   19.00  -69.77   97.79  -64.05   61.67
   20.00  -68.78  112.79  -59.98   70.57
   21.00  -67.81  127.79  -56.49   79.61
   22.00  -66.91  142.79  -53.70   88.88
   23.00  -66.09  157.79  -51.57   98.48
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.24  172.79  -55.94  110.24
    1.00  -72.27  187.79  -56.61  119.35
    2.00  -73.21  202.79  -57.71  127.96
    3.00  -77.49  217.79  -62.58  134.64
    4.00  -79.61  232.79  -65.58  139.99
    5.00  -79.94  247.79  -67.13  145.87
    6.00  -79.30  262.79  -68.22  153.05
    7.00  -78.71  277.79  -69.80  160.38
    8.00  -79.07  292.79  -72.37  165.15
    9.00  -78.81  307.79  -74.85  171.01
   10.00  -78.97  322.79  -77.74  174.21
   11.00  -78.77  337.79  -80.69  177.10
   12.00  -78.81  352.79  -83.69  173.11
   13.00  -78.56    7.79  -86.42  154.48
   14.00  -78.52   22.79  -86.63   98.85
   15.00  -78.23   37.79  -84.03   71.00
   16.00  -78.40   52.79  -80.63   69.22
   17.00  -78.12   67.79  -77.18   70.01
   18.00  -78.52   82.79  -74.18   76.17
   19.00  -78.18   97.79  -71.10   80.41
   20.00  -77.19  112.79  -67.78   84.31
   21.00  -75.30  127.79  -63.87   88.31
   22.00  -73.35  142.79  -60.19   94.09
   23.00  -71.90  157.79  -57.44  101.60
</PRE>


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