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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>
28 May 1997 19:50:23 yearsecs  12772223
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.91  128.55  -54.43   78.38
    1.00  -65.99  143.55  -52.68   88.77
    2.00  -66.81  158.55  -52.26   99.34
    3.00  -67.64  173.55  -52.28  109.57
    4.00  -67.27  188.55  -51.59  119.29
    5.00  -67.97  203.55  -52.54  128.96
    6.00  -67.96  218.55  -53.38  138.57
    7.00  -68.42  233.55  -55.18  148.07
    8.00  -69.66  248.55  -58.08  156.96
    9.00  -70.40  263.55  -60.87  165.88
   10.00  -70.40  278.55  -63.40  175.50
   11.00  -69.74  293.55  -65.81  186.44
   12.00  -69.47  308.55  -68.98  197.59
   13.00  -69.50  323.55  -72.71  209.53
   14.00  -69.81  338.55  -76.77  223.42
   15.00  -70.39  353.55  -80.91  242.11
   16.00  -70.96    8.55  -84.29  276.76
   17.00  -71.02   23.55  -84.15  333.95
   18.00  -71.12   38.55  -80.90   10.25
   19.00  -70.41   53.55  -76.09   26.87
   20.00  -69.53   68.55  -71.10   38.52
   21.00  -68.68   83.55  -66.37   48.98
   22.00  -68.01   98.55  -62.16   59.30
   23.00  -67.11  113.55  -58.16   69.01
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.45  128.55  -61.99   86.26
    1.00  -74.50  143.55  -61.25   95.61
    2.00  -75.24  158.55  -60.74  104.22
    3.00  -80.00  173.55  -64.79  114.44
    4.00  -81.66  188.55  -66.21  121.12
    5.00  -82.04  203.55  -66.70  126.75
    6.00  -81.52  218.55  -66.62  132.63
    7.00  -80.73  233.55  -66.69  139.16
    8.00  -80.86  248.55  -68.00  144.80
    9.00  -80.93  263.55  -69.57  150.15
   10.00  -80.82  278.55  -71.32  155.45
   11.00  -80.97  293.55  -73.47  159.39
   12.00  -81.05  308.55  -75.76  162.32
   13.00  -80.82  323.55  -78.14  164.98
   14.00  -80.60  338.55  -80.65  164.98
   15.00  -80.38  353.55  -83.12  159.28
   16.00  -80.17    8.55  -85.03  140.59
   17.00  -79.94   23.55  -85.21  107.14
   18.00  -80.81   38.55  -82.70   92.52
   19.00  -81.00   53.55  -80.23   86.19
   20.00  -80.28   68.55  -77.56   80.91
   21.00  -78.67   83.55  -74.10   76.95
   22.00  -76.15   98.55  -69.47   75.39
   23.00  -74.58  113.55  -65.38   79.76
</PRE>


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