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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 22:08:56 yearsecs  26172536
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.13   97.59  -56.11   50.17
    1.00  -62.68  112.59  -53.71   63.31
    2.00  -63.23  127.59  -51.79   75.40
    3.00  -63.76  142.59  -50.49   86.66
    4.00  -63.23  157.59  -48.67   97.04
    5.00  -64.36  172.59  -49.01  107.99
    6.00  -64.70  187.59  -49.02  118.38
    7.00  -64.68  202.59  -49.27  128.57
    8.00  -65.90  217.59  -51.34  138.48
    9.00  -65.84  232.59  -52.69  148.61
   10.00  -66.02  247.59  -54.68  158.82
   11.00  -65.46  262.59  -56.38  169.80
   12.00  -65.32  277.59  -58.83  180.84
   13.00  -65.46  292.59  -61.94  191.93
   14.00  -65.85  307.59  -65.71  203.21
   15.00  -66.48  322.59  -70.00  215.27
   16.00  -67.34  337.59  -74.53  229.27
   17.00  -68.44  352.59  -79.03  247.68
   18.00  -68.43    7.59  -81.58  281.24
   19.00  -67.73   22.59  -80.66  324.29
   20.00  -66.28   37.59  -76.12  353.51
   21.00  -65.12   52.59  -70.79   12.01
   22.00  -63.79   67.59  -65.16   25.50
   23.00  -62.62   82.59  -60.04   37.62
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.95   97.59  -66.13   65.59
    1.00  -72.88  112.59  -63.99   76.40
    2.00  -73.74  127.59  -62.41   86.11
    3.00  -74.57  142.59  -61.42   95.18
    4.00  -76.93  157.59  -62.49  105.01
    5.00  -77.80  172.59  -62.58  112.84
    6.00  -77.02  187.59  -61.44  119.89
    7.00  -76.82  202.59  -61.34  127.37
    8.00  -78.15  217.59  -63.23  134.22
    9.00  -78.38  232.59  -64.40  141.04
   10.00  -78.81  247.59  -66.13  147.34
   11.00  -78.79  262.59  -67.80  153.88
   12.00  -78.37  277.59  -69.53  161.05
   13.00  -78.17  292.59  -71.80  167.69
   14.00  -78.17  307.59  -74.52  173.30
   15.00  -77.72  322.59  -77.33  180.14
   16.00  -77.52  337.59  -80.53  185.15
   17.00  -76.14  352.59  -83.86  199.61
   18.00  -75.90    7.59  -87.72  207.51
   19.00  -76.35   22.59  -88.17   56.76
   20.00  -75.65   37.59  -84.07   43.15
   21.00  -73.71   52.59  -78.95   40.03
   22.00  -72.93   67.59  -74.30   48.08
   23.00  -71.97   82.59  -69.65   55.72
</PRE>


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