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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>
30 Oct 1997 22:09:00 yearsecs  26172540
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.13   97.57  -56.12   50.16
    1.00  -62.68  112.57  -53.72   63.30
    2.00  -63.23  127.57  -51.80   75.39
    3.00  -63.76  142.57  -50.49   86.65
    4.00  -63.23  157.57  -48.67   97.03
    5.00  -64.36  172.57  -49.01  107.98
    6.00  -64.70  187.57  -49.03  118.37
    7.00  -64.68  202.57  -49.28  128.56
    8.00  -65.90  217.57  -51.34  138.47
    9.00  -65.84  232.57  -52.69  148.60
   10.00  -66.02  247.57  -54.68  158.81
   11.00  -65.46  262.57  -56.38  169.79
   12.00  -65.32  277.57  -58.82  180.83
   13.00  -65.46  292.57  -61.93  191.92
   14.00  -65.85  307.57  -65.71  203.20
   15.00  -66.48  322.57  -70.00  215.26
   16.00  -67.35  337.57  -74.52  229.24
   17.00  -68.44  352.57  -79.03  247.64
   18.00  -68.43    7.57  -81.58  281.19
   19.00  -67.73   22.57  -80.66  324.25
   20.00  -66.28   37.57  -76.13  353.48
   21.00  -65.13   52.57  -70.80   11.99
   22.00  -63.80   67.57  -65.17   25.48
   23.00  -62.62   82.57  -60.04   37.61
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.95   97.57  -66.13   65.58
    1.00  -72.88  112.57  -63.99   76.39
    2.00  -73.74  127.57  -62.42   86.10
    3.00  -74.58  142.57  -61.43   95.17
    4.00  -76.94  157.57  -62.50  105.01
    5.00  -77.80  172.57  -62.59  112.83
    6.00  -77.02  187.57  -61.45  119.89
    7.00  -76.83  202.57  -61.35  127.36
    8.00  -78.15  217.57  -63.23  134.21
    9.00  -78.38  232.57  -64.40  141.03
   10.00  -78.80  247.57  -66.12  147.34
   11.00  -78.79  262.57  -67.79  153.88
   12.00  -78.37  277.57  -69.53  161.05
   13.00  -78.16  292.57  -71.80  167.69
   14.00  -78.17  307.57  -74.52  173.31
   15.00  -77.71  322.57  -77.33  180.14
   16.00  -77.52  337.57  -80.53  185.16
   17.00  -76.14  352.57  -83.86  199.62
   18.00  -75.89    7.57  -87.71  207.55
   19.00  -76.35   22.57  -88.18   56.77
   20.00  -75.64   37.57  -84.08   43.13
   21.00  -73.70   52.57  -78.96   40.01
   22.00  -72.93   67.57  -74.31   48.06
   23.00  -71.97   82.57  -69.66   55.71
</PRE>


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