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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>
18 Feb 1997 19:42:27 yearsecs   4218147
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.12  140.42  -52.12   86.03
    1.00  -64.35  155.42  -49.97   96.02
    2.00  -65.46  170.42  -50.22  106.83
    3.00  -66.58  185.42  -50.92  117.15
    4.00  -66.41  200.42  -50.90  127.03
    5.00  -67.33  215.42  -52.55  136.71
    6.00  -67.43  230.42  -53.94  146.48
    7.00  -67.27  245.42  -55.53  156.56
    8.00  -67.93  260.42  -58.23  166.20
    9.00  -67.61  275.42  -60.44  176.84
   10.00  -67.21  290.42  -63.00  188.02
   11.00  -67.01  305.42  -66.19  199.62
   12.00  -67.04  320.42  -69.93  212.17
   13.00  -67.30  335.42  -73.95  226.83
   14.00  -67.78  350.42  -77.96  246.00
   15.00  -68.49    5.42  -81.39  275.27
   16.00  -69.42   20.42  -82.78  320.06
   17.00  -70.36   35.42  -81.00    1.33
   18.00  -70.11   50.42  -76.70   22.35
   19.00  -69.59   65.42  -72.01   35.90
   20.00  -68.57   80.42  -67.05   46.23
   21.00  -67.57   95.42  -62.42   56.21
   22.00  -66.63  110.42  -58.27   66.15
   23.00  -65.83  125.42  -54.82   76.10
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.02  140.42  -61.10   93.44
    1.00  -74.95  155.42  -60.67  102.35
    2.00  -75.86  170.42  -60.71  110.80
    3.00  -79.38  185.42  -63.89  119.33
    4.00  -81.26  200.42  -65.84  125.71
    5.00  -81.58  215.42  -66.55  131.41
    6.00  -81.13  230.42  -66.85  137.53
    7.00  -80.77  245.42  -67.65  143.74
    8.00  -81.19  260.42  -69.44  148.51
    9.00  -81.05  275.42  -71.06  153.86
   10.00  -81.33  290.42  -73.19  157.39
   11.00  -81.16  305.42  -75.31  161.32
   12.00  -81.33  320.42  -77.66  162.28
   13.00  -81.00  335.42  -80.06  163.10
   14.00  -80.88  350.42  -82.39  157.95
   15.00  -80.53    5.42  -84.43  144.10
   16.00  -80.62   20.42  -84.71  115.95
   17.00  -80.29   35.42  -83.49   91.58
   18.00  -80.45   50.42  -80.91   83.58
   19.00  -80.02   65.42  -78.12   79.37
   20.00  -79.10   80.42  -74.91   77.68
   21.00  -77.42   95.42  -71.02   77.33
   22.00  -75.81  110.42  -67.00   80.42
   23.00  -74.54  125.42  -63.48   86.01
</PRE>


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