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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>
03 Oct 1997 14:11:04 yearsecs  23811064
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.02  217.15  -49.52  138.62
    1.00  -63.84  232.15  -50.78  149.13
    2.00  -64.70  247.15  -53.42  159.32
    3.00  -65.55  262.15  -56.39  169.42
    4.00  -65.32  277.15  -58.75  180.52
    5.00  -66.43  292.15  -62.69  190.34
    6.00  -66.65  307.15  -66.30  201.58
    7.00  -66.50  322.15  -69.91  214.81
    8.00  -67.19  337.15  -74.29  229.12
    9.00  -66.74  352.15  -77.38  251.69
   10.00  -66.31    7.15  -79.31  283.89
   11.00  -66.11   22.15  -78.88  321.81
   12.00  -66.15   37.15  -76.07  352.51
   13.00  -66.40   52.15  -72.38   14.11
   14.00  -66.89   67.15  -68.79   30.96
   15.00  -67.59   82.15  -65.62   45.67
   16.00  -68.52   97.15  -62.98   59.09
   17.00  -69.56  112.15  -60.88   71.20
   18.00  -69.44  127.15  -58.24   80.84
   19.00  -68.84  142.15  -55.74   89.88
   20.00  -67.68  157.15  -53.23   98.85
   21.00  -66.63  172.15  -51.32  108.35
   22.00  -65.58  187.15  -49.91  118.18
   23.00  -64.61  202.15  -49.19  128.28
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.81  217.15  -57.95  136.22
    1.00  -73.86  232.15  -60.10  144.19
    2.00  -74.82  247.15  -62.53  151.66
    3.00  -77.35  262.15  -66.57  156.08
    4.00  -79.61  277.15  -70.33  158.03
    5.00  -80.23  292.15  -72.89  161.41
    6.00  -79.70  307.15  -75.09  167.48
    7.00  -79.22  322.15  -77.67  172.92
    8.00  -79.59  337.15  -80.55  171.73
    9.00  -79.54  352.15  -83.31  167.07
   10.00  -79.66    7.15  -85.39  146.47
   11.00  -79.40   22.15  -85.85  107.35
   12.00  -79.25   37.15  -83.79   81.32
   13.00  -79.00   52.15  -80.78   73.36
   14.00  -79.02   67.15  -77.59   74.37
   15.00  -78.66   82.15  -74.37   76.47
   16.00  -78.66   97.15  -71.54   81.55
   17.00  -77.81  112.15  -68.38   85.33
   18.00  -77.83  127.15  -66.28   91.87
   19.00  -77.89  142.15  -64.69   98.70
   20.00  -77.12  157.15  -62.71  104.95
   21.00  -75.32  172.15  -60.09  111.46
   22.00  -74.10  187.15  -58.47  119.23
   23.00  -73.09  202.15  -57.57  127.61
</PRE>


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