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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>
17 Jul 1997 11:26:12 yearsecs  17061972
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.92  262.75  -54.12  171.88
    1.00  -63.32  277.75  -57.07  182.92
    2.00  -63.92  292.75  -60.60  193.94
    3.00  -64.51  307.75  -64.57  205.36
    4.00  -64.23  322.75  -68.07  219.43
    5.00  -65.51  337.75  -72.96  233.59
    6.00  -65.74  352.75  -76.56  255.01
    7.00  -65.72    7.75  -78.73  286.15
    8.00  -66.42   22.75  -79.16  323.48
    9.00  -65.81   37.75  -75.54  352.89
   10.00  -65.40   52.75  -71.07   12.73
   11.00  -65.21   67.75  -66.77   28.17
   12.00  -65.24   82.75  -62.98   41.92
   13.00  -65.50   97.75  -59.75   54.87
   14.00  -65.98  112.75  -57.16   67.09
   15.00  -66.69  127.75  -55.36   78.53
   16.00  -67.62  142.75  -54.43   89.37
   17.00  -68.76  157.75  -54.28   99.80
   18.00  -68.77  172.75  -53.45  109.40
   19.00  -68.08  187.75  -52.41  118.85
   20.00  -66.78  202.75  -51.35  128.54
   21.00  -65.69  217.75  -51.16  138.64
   22.00  -64.54  232.75  -51.50  149.27
   23.00  -63.39  247.75  -52.30  160.51
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.06  262.75  -60.45  165.72
    1.00  -71.25  277.75  -63.97  173.82
    2.00  -72.26  292.75  -67.67  181.47
    3.00  -73.65  307.75  -71.92  187.40
    4.00  -76.15  322.75  -76.74  187.07
    5.00  -77.58  337.75  -80.57  184.85
    6.00  -76.97  352.75  -83.98  191.35
    7.00  -76.34    7.75  -87.72  195.49
    8.00  -77.41   22.75  -87.56   83.76
    9.00  -77.14   37.75  -84.21   59.43
   10.00  -77.29   52.75  -80.48   61.67
   11.00  -77.14   67.75  -76.81   65.36
   12.00  -76.83   82.75  -73.23   70.12
   13.00  -76.67   97.75  -70.02   76.33
   14.00  -76.85  112.75  -67.50   83.61
   15.00  -76.45  127.75  -64.95   89.97
   16.00  -76.34  142.75  -63.14   97.15
   17.00  -74.78  157.75  -60.33  103.47
   18.00  -74.53  172.75  -59.27  111.45
   19.00  -75.16  187.75  -59.54  119.71
   20.00  -74.44  202.75  -58.94  127.79
   21.00  -72.26  217.75  -57.46  136.75
   22.00  -71.27  232.75  -57.73  146.08
   23.00  -70.30  247.75  -58.55  155.97
</PRE>


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