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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>
09 May 1997 03:17:17 yearsecs  11071037
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.65   20.82  -71.48  317.27
    1.00  -60.75   35.82  -69.85  343.47
    2.00  -61.75   50.82  -67.13    4.48
    3.00  -66.75   65.82  -69.00   29.38
    4.00  -66.53   80.82  -64.85   42.52
    5.00  -67.39   95.82  -62.14   56.22
    6.00  -67.44  110.82  -59.02   67.47
    7.00  -67.48  125.82  -56.45   77.97
    8.00  -68.05  140.82  -55.07   88.41
    9.00  -67.83  155.82  -53.48   98.06
   10.00  -67.45  170.82  -52.21  107.73
   11.00  -67.27  185.82  -51.60  117.50
   12.00  -67.30  200.82  -51.79  127.25
   13.00  -67.57  215.82  -52.81  136.91
   14.00  -68.05  230.82  -54.55  146.47
   15.00  -68.76  245.82  -56.92  155.84
   16.00  -69.66  260.82  -59.81  164.87
   17.00  -70.08  275.82  -62.63  174.16
   18.00  -70.30  290.82  -65.70  183.69
   19.00  -69.76  305.82  -68.57  195.00
   20.00  -68.46  320.82  -71.20  209.56
   21.00  -65.82  335.82  -72.76  230.60
   22.00  -63.01  350.82  -73.52  256.79
   23.00  -60.81    5.82  -73.31  286.86
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.65   20.82  -77.34  318.02
    1.00  -65.75   35.82  -75.93  349.52
    2.00  -66.75   50.82  -73.13   13.28
    3.00  -72.44   65.82  -74.40   45.04
    4.00  -75.20   80.82  -72.61   63.84
    5.00  -75.38   95.82  -69.42   72.12
    6.00  -74.78  110.82  -66.03   78.66
    7.00  -74.22  125.82  -63.12   85.78
    8.00  -74.99  140.82  -62.01   94.67
    9.00  -74.88  155.82  -60.57  102.51
   10.00  -75.32  170.82  -60.14  110.75
   11.00  -75.14  185.82  -59.54  118.67
   12.00  -75.43  200.82  -59.90  126.63
   13.00  -75.22  215.82  -60.24  134.61
   14.00  -75.29  230.82  -61.33  142.53
   15.00  -75.02  245.82  -62.56  150.75
   16.00  -75.34  260.82  -64.71  158.37
   17.00  -75.08  275.82  -66.76  166.69
   18.00  -75.47  290.82  -69.70  173.69
   19.00  -74.90  305.82  -72.32  182.92
   20.00  -73.46  320.82  -74.83  196.02
   21.00  -70.82  335.82  -76.82  217.12
   22.00  -68.01  350.82  -78.25  246.00
   23.00  -65.81    5.82  -78.65  281.46
</PRE>


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