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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
28 Apr 1997 02:08:52 yearsecs  10116532
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.51   37.79  -74.01  350.79
    1.00  -64.41   52.79  -69.89   10.91
    2.00  -65.51   67.79  -67.11   28.79
    3.00  -66.62   82.79  -64.46   44.37
    4.00  -66.44   97.79  -60.73   56.28
    5.00  -67.35  112.79  -58.55   68.76
    6.00  -67.44  127.79  -56.12   79.26
    7.00  -67.29  142.79  -54.09   89.15
    8.00  -67.93  157.79  -53.44   99.39
    9.00  -67.66  172.79  -52.33  109.08
   10.00  -67.25  187.79  -51.58  118.79
   11.00  -67.07  202.79  -51.62  128.54
   12.00  -67.10  217.79  -52.50  138.30
   13.00  -67.36  232.79  -54.12  148.07
   14.00  -67.84  247.79  -56.35  157.77
   15.00  -68.55  262.79  -59.14  167.23
   16.00  -69.47  277.79  -62.47  176.23
   17.00  -70.39  292.79  -66.19  184.84
   18.00  -70.16  307.79  -69.35  195.63
   19.00  -69.63  322.79  -72.62  208.53
   20.00  -68.62  337.79  -75.64  226.14
   21.00  -67.63  352.79  -78.33  250.45
   22.00  -66.69    7.79  -79.77  284.88
   23.00  -65.20   22.79  -77.76  322.74
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.51   37.79  -79.56    2.36
    1.00  -70.55   52.79  -76.43   26.52
    2.00  -71.54   67.79  -73.13   43.62
    3.00  -76.04   82.79  -72.72   67.51
    4.00  -78.37   97.79  -71.23   80.95
    5.00  -78.67  112.79  -68.98   87.49
    6.00  -77.93  127.79  -66.30   92.33
    7.00  -77.42  142.79  -64.17   98.41
    8.00  -77.97  157.79  -63.52  105.98
    9.00  -77.75  172.79  -62.53  112.91
   10.00  -78.07  187.79  -62.52  120.16
   11.00  -77.80  202.79  -62.34  127.31
   12.00  -77.93  217.79  -63.02  134.42
   13.00  -77.68  232.79  -63.75  141.73
   14.00  -77.67  247.79  -65.14  148.86
   15.00  -77.37  262.79  -66.67  156.36
   16.00  -77.62  277.79  -69.02  162.77
   17.00  -77.32  292.79  -71.31  170.07
   18.00  -77.68  307.79  -74.32  175.11
   19.00  -77.18  322.79  -77.18  182.64
   20.00  -76.03  337.79  -80.19  194.45
   21.00  -73.91  352.79  -83.14  219.77
   22.00  -71.83    7.79  -85.05  269.88
   23.00  -70.20   22.79  -83.38  328.99
</PRE>


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