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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>
15 Apr 1997 13:25:24 yearsecs   9033924
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.40  233.74  -51.48  150.02
    1.00  -64.01  248.74  -53.01  160.86
    2.00  -64.96  263.74  -56.11  171.04
    3.00  -65.90  278.74  -59.55  181.08
    4.00  -65.70  293.74  -62.39  192.50
    5.00  -66.74  308.74  -66.76  202.72
    6.00  -66.91  323.74  -70.66  215.51
    7.00  -66.76  338.74  -74.31  232.06
    8.00  -67.30  353.74  -78.23  253.04
    9.00  -67.02    8.74  -80.19  286.83
   10.00  -66.61   23.74  -79.24  326.02
   11.00  -66.42   38.74  -75.99  355.66
   12.00  -66.45   53.74  -71.99   16.07
   13.00  -66.71   68.74  -68.17   32.09
   14.00  -67.19   83.74  -64.82   46.23
   15.00  -67.90   98.74  -62.00   59.26
   16.00  -68.83  113.74  -59.86   71.30
   17.00  -69.84  128.74  -58.41   82.27
   18.00  -69.67  143.74  -56.41   91.53
   19.00  -69.10  158.74  -54.56  100.61
   20.00  -67.99  173.74  -52.63  109.80
   21.00  -66.96  188.74  -51.28  119.38
   22.00  -65.95  203.74  -50.57  129.25
   23.00  -65.03  218.74  -50.61  139.47
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.43  233.74  -59.85  145.36
    1.00  -74.46  248.74  -62.39  152.89
    2.00  -75.42  263.74  -65.19  159.80
    3.00  -78.30  278.74  -69.65  161.70
    4.00  -80.40  293.74  -73.23  161.31
    5.00  -80.86  308.74  -75.74  163.13
    6.00  -80.34  323.74  -78.13  167.47
    7.00  -79.80  338.74  -80.82  170.18
    8.00  -80.27  353.74  -83.21  160.00
    9.00  -79.97    8.74  -85.23  141.23
   10.00  -80.10   23.74  -85.04  107.55
   11.00  -79.81   38.74  -83.23   84.88
   12.00  -79.72   53.74  -80.41   77.97
   13.00  -79.46   68.74  -77.36   76.79
   14.00  -79.44   83.74  -74.43   79.89
   15.00  -79.08   98.74  -71.53   83.35
   16.00  -79.14  113.74  -69.21   88.93
   17.00  -78.48  128.74  -66.67   93.65
   18.00  -78.62  143.74  -65.23  100.32
   19.00  -78.56  158.74  -64.04  106.92
   20.00  -77.78  173.74  -62.53  113.38
   21.00  -76.07  188.74  -60.47  120.34
   22.00  -74.76  203.74  -59.29  128.28
   23.00  -73.73  218.74  -58.94  136.78
</PRE>


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