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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>
28 May 1997 18:10:31 yearsecs  12766231
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.87  155.71  -51.50   96.97
    1.00  -65.71  170.71  -50.45  107.10
    2.00  -66.51  185.71  -50.85  117.33
    3.00  -67.31  200.71  -51.79  127.18
    4.00  -66.88  215.71  -52.14  137.00
    5.00  -67.51  230.71  -54.04  146.64
    6.00  -67.37  245.71  -55.66  156.69
    7.00  -67.54  260.71  -57.93  166.74
    8.00  -68.51  275.71  -61.27  176.01
    9.00  -68.85  290.71  -64.47  185.87
   10.00  -68.71  305.71  -67.70  196.90
   11.00  -68.11  320.71  -70.89  210.24
   12.00  -68.15  335.71  -74.73  225.03
   13.00  -68.44  350.71  -78.61  244.49
   14.00  -68.96    5.71  -81.91  274.78
   15.00  -69.71   20.71  -83.07  321.36
   16.00  -70.47   35.71  -81.03    2.33
   17.00  -70.79   50.71  -77.23   25.15
   18.00  -70.89   65.71  -73.13   39.91
   19.00  -70.29   80.71  -68.62   50.27
   20.00  -69.44   95.71  -64.20   59.62
   21.00  -68.62  110.71  -60.23   68.94
   22.00  -67.93  125.71  -56.93   78.35
   23.00  -67.02  140.71  -54.04   87.58
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.61  155.71  -58.31  100.85
    1.00  -73.63  170.71  -58.44  109.94
    2.00  -74.38  185.71  -58.78  118.49
    3.00  -79.14  200.71  -63.67  126.14
    4.00  -80.91  215.71  -65.89  131.91
    5.00  -81.26  230.71  -66.99  137.51
    6.00  -80.63  245.71  -67.55  144.06
    7.00  -79.76  260.71  -68.35  151.36
    8.00  -79.84  275.71  -70.29  156.95
    9.00  -79.68  290.71  -72.38  162.63
   10.00  -79.34  305.71  -74.70  168.43
   11.00  -79.26  320.71  -77.41  172.43
   12.00  -80.08  335.71  -80.24  168.80
   13.00  -79.96  350.71  -82.88  164.60
   14.00  -79.82    5.71  -85.10  148.14
   15.00  -79.62   20.71  -85.73  112.12
   16.00  -79.51   35.71  -83.91   85.02
   17.00  -79.30   50.71  -81.06   75.62
   18.00  -80.12   65.71  -78.07   79.91
   19.00  -80.22   80.71  -75.30   82.33
   20.00  -79.45   95.71  -72.28   83.45
   21.00  -77.77  110.71  -68.58   84.64
   22.00  -75.36  125.71  -64.21   87.34
   23.00  -73.78  140.71  -60.84   93.36
</PRE>


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