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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>
21 Oct 1997 03:38:16 yearsecs  25328296
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.56   13.09  -74.30  301.39
    1.00  -62.86   28.09  -74.17  332.14
    2.00  -63.93   43.09  -71.95  357.79
    3.00  -64.52   58.09  -68.58   17.07
    4.00  -64.25   73.09  -64.27   31.52
    5.00  -65.52   88.09  -62.00   46.95
    6.00  -65.85  103.09  -58.96   59.59
    7.00  -65.92  118.09  -56.11   70.94
    8.00  -66.43  133.09  -54.35   81.97
    9.00  -65.83  148.09  -52.08   91.76
   10.00  -65.41  163.09  -50.55  101.80
   11.00  -65.22  178.09  -49.70  111.99
   12.00  -65.26  193.09  -49.61  122.15
   13.00  -65.52  208.09  -50.35  132.20
   14.00  -66.00  223.09  -51.90  142.14
   15.00  -66.71  238.09  -54.11  151.94
   16.00  -67.64  253.09  -56.90  161.48
   17.00  -67.51  268.09  -59.09  171.85
   18.00  -67.25  283.09  -61.56  182.68
   19.00  -67.90  298.09  -65.26  192.63
   20.00  -66.80  313.09  -67.89  206.20
   21.00  -64.41  328.09  -69.58  224.61
   22.00  -63.16  343.09  -72.04  244.96
   23.00  -61.93  358.09  -73.68  270.87
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.56   13.09  -79.87  298.72
    1.00  -67.86   28.09  -79.97  338.10
    2.00  -68.97   43.09  -77.61    8.96
    3.00  -70.57   58.09  -74.96   32.02
    4.00  -73.88   73.09  -73.57   55.05
    5.00  -74.53   88.09  -70.43   65.83
    6.00  -74.19  103.09  -66.96   73.36
    7.00  -73.53  118.09  -63.65   80.54
    8.00  -74.90  133.09  -62.81   90.53
    9.00  -74.65  148.09  -60.98   98.20
   10.00  -74.91  163.09  -60.12  106.42
   11.00  -74.80  178.09  -59.36  114.44
   12.00  -74.51  193.09  -58.87  122.53
   13.00  -74.39  208.09  -59.06  130.71
   14.00  -74.66  223.09  -60.14  138.76
   15.00  -74.26  238.09  -61.04  147.21
   16.00  -74.19  253.09  -62.69  155.58
   17.00  -72.51  268.09  -63.40  166.20
   18.00  -72.25  283.09  -65.77  175.59
   19.00  -72.90  298.09  -69.27  183.44
   20.00  -72.00  313.09  -71.99  195.11
   21.00  -69.41  328.09  -73.80  213.87
   22.00  -68.16  343.09  -76.57  234.07
   23.00  -66.93  358.09  -78.72  262.31
</PRE>


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