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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>
25 Apr 1997 14:47:04 yearsecs   9902824
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.34  215.13  -51.59  136.74
    1.00  -66.37  230.13  -52.92  146.73
    2.00  -67.11  245.13  -55.35  156.46
    3.00  -67.85  260.13  -58.12  166.07
    4.00  -67.40  275.13  -60.20  176.86
    5.00  -67.99  290.13  -63.61  186.73
    6.00  -67.84  305.13  -66.83  198.01
    7.00  -68.11  320.13  -70.74  209.72
    8.00  -68.97  335.13  -75.24  222.17
    9.00  -69.49  350.13  -79.37  239.99
   10.00  -69.25    5.13  -82.12  272.37
   11.00  -69.03   20.13  -82.37  318.71
   12.00  -69.03   35.13  -79.73  355.95
   13.00  -69.27   50.13  -75.97   19.20
   14.00  -69.74   65.13  -72.23   36.03
   15.00  -70.43   80.13  -68.90   50.16
   16.00  -71.10   95.13  -65.90   62.30
   17.00  -71.23  110.13  -62.88   72.30
   18.00  -71.38  125.13  -60.47   81.75
   19.00  -70.74  140.13  -57.87   90.17
   20.00  -69.92  155.13  -55.64   98.80
   21.00  -69.13  170.13  -53.93  107.85
   22.00  -68.50  185.13  -52.84  117.23
   23.00  -67.57  200.13  -52.03  126.79
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.35  215.13  -57.38  135.20
    1.00  -73.43  230.13  -59.52  143.31
    2.00  -74.18  245.13  -61.72  151.17
    3.00  -79.24  260.13  -67.86  152.05
    4.00  -81.00  275.13  -70.99  153.90
    5.00  -81.38  290.13  -73.18  157.14
    6.00  -80.78  305.13  -75.14  162.78
    7.00  -79.87  320.13  -77.43  169.40
    8.00  -79.94  335.13  -80.15  169.67
    9.00  -79.94  350.13  -82.80  165.14
   10.00  -79.71    5.13  -85.13  150.05
   11.00  -79.75   20.13  -85.64  114.04
   12.00  -79.96   35.13  -83.75   89.38
   13.00  -79.78   50.13  -81.11   79.05
   14.00  -79.59   65.13  -78.12   77.05
   15.00  -79.40   80.13  -75.10   78.83
   16.00  -79.22   95.13  -72.24   82.53
   17.00  -79.02  110.13  -69.65   87.29
   18.00  -80.01  125.13  -68.42   95.04
   19.00  -80.25  140.13  -67.08  101.12
   20.00  -79.51  155.13  -65.21  106.24
   21.00  -77.82  170.13  -62.71  111.68
   22.00  -75.19  185.13  -59.60  118.31
   23.00  -73.56  200.13  -57.99  126.43
</PRE>


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