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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>
16 Aug 1997 13:47:40 yearsecs  19662460
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.59  230.68  -52.26  147.42
    1.00  -65.11  245.68  -53.60  158.04
    2.00  -66.08  260.68  -56.63  167.94
    3.00  -67.05  275.68  -59.99  177.64
    4.00  -66.76  290.68  -62.67  188.81
    5.00  -67.54  305.68  -66.71  198.93
    6.00  -67.53  320.68  -70.41  211.42
    7.00  -67.73  335.68  -74.38  226.07
    8.00  -68.30  350.68  -78.48  244.90
    9.00  -68.24    5.68  -81.17  276.56
   10.00  -67.91   20.68  -81.07  319.33
   11.00  -67.72   35.68  -78.19  353.35
   12.00  -67.76   50.68  -74.27   15.57
   13.00  -68.02   65.68  -70.38   32.14
   14.00  -68.51   80.68  -66.92   46.31
   15.00  -69.22   95.68  -63.99   59.20
   16.00  -70.06  110.68  -61.65   70.92
   17.00  -70.70  125.68  -59.71   81.30
   18.00  -70.61  140.68  -57.68   90.40
   19.00  -70.04  155.68  -55.73   99.22
   20.00  -69.10  170.68  -53.88  108.19
   21.00  -68.18  185.68  -52.52  117.54
   22.00  -67.35  200.68  -51.84  127.16
   23.00  -66.50  215.68  -51.78  137.07
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.80  230.68  -57.10  145.07
    1.00  -71.86  245.68  -59.69  153.47
    2.00  -72.76  260.68  -62.48  161.51
    3.00  -77.43  275.68  -68.56  162.21
    4.00  -79.53  290.68  -72.29  163.06
    5.00  -79.87  305.68  -74.91  166.44
    6.00  -79.18  320.68  -77.38  172.79
    7.00  -78.52  335.68  -80.25  178.59
    8.00  -78.80  350.68  -83.29  174.38
    9.00  -78.65    5.68  -86.06  158.61
   10.00  -78.76   20.68  -86.61  107.70
   11.00  -78.60   35.68  -84.36   76.31
   12.00  -78.76   50.68  -81.10   71.81
   13.00  -78.53   65.68  -77.78   71.59
   14.00  -78.46   80.68  -74.57   75.25
   15.00  -78.19   95.68  -71.49   79.64
   16.00  -78.28  110.68  -68.99   85.76
   17.00  -78.02  125.68  -66.64   91.55
   18.00  -78.62  140.68  -65.51   98.98
   19.00  -78.44  155.68  -64.12  105.43
   20.00  -77.46  170.68  -62.32  111.75
   21.00  -75.53  185.68  -59.95  118.67
   22.00  -73.27  200.68  -57.72  126.76
   23.00  -71.67  215.68  -56.75  135.73
</PRE>


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