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    <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>
23 Jan 1997 14:50:35 yearsecs   1954235
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.13  208.00  -50.94  132.05
    1.00  -66.19  223.00  -52.06  142.01
    2.00  -66.98  238.00  -54.35  151.73
    3.00  -67.77  253.00  -57.00  161.31
    4.00  -67.38  268.00  -58.95  171.91
    5.00  -68.03  283.00  -62.22  181.63
    6.00  -67.97  298.00  -65.30  192.44
    7.00  -68.35  313.00  -69.16  203.25
    8.00  -69.49  328.00  -73.84  213.55
    9.00  -70.05  343.00  -78.08  227.89
   10.00  -69.64  358.00  -81.25  253.81
   11.00  -69.28   13.00  -82.85  295.94
   12.00  -69.18   28.00  -81.43  340.91
   13.00  -69.33   43.00  -78.00   10.01
   14.00  -69.73   58.00  -74.20   29.24
   15.00  -70.37   73.00  -70.70   44.45
   16.00  -71.00   88.00  -67.47   57.19
   17.00  -71.09  103.00  -64.18   67.51
   18.00  -71.21  118.00  -61.45   77.19
   19.00  -70.54  133.00  -58.53   85.63
   20.00  -69.68  148.00  -56.01   94.20
   21.00  -68.86  163.00  -54.04  103.21
   22.00  -68.24  178.00  -52.74  112.62
   23.00  -67.33  193.00  -51.66  122.18
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.36  208.00  -56.05  131.26
    1.00  -72.49  223.00  -58.04  139.71
    2.00  -73.26  238.00  -60.11  147.90
    3.00  -78.61  253.00  -66.52  150.01
    4.00  -80.45  268.00  -69.73  152.75
    5.00  -80.85  283.00  -71.92  156.78
    6.00  -80.19  298.00  -73.79  163.21
    7.00  -79.21  313.00  -75.96  170.92
    8.00  -79.26  328.00  -78.79  173.54
    9.00  -79.28  343.00  -81.69  172.99
   10.00  -79.05  358.00  -84.55  166.47
   11.00  -79.11   13.00  -86.36  134.52
   12.00  -79.36   28.00  -85.24   94.14
   13.00  -79.17   43.00  -82.67   76.91
   14.00  -78.98   58.00  -79.52   73.13
   15.00  -78.80   73.00  -76.30   74.51
   16.00  -78.61   88.00  -73.20   78.19
   17.00  -78.41  103.00  -70.35   83.05
   18.00  -79.46  118.00  -68.87   91.26
   19.00  -79.73  133.00  -67.30   97.51
   20.00  -78.95  148.00  -65.19  102.58
   21.00  -77.17  163.00  -62.40  107.84
   22.00  -74.38  178.00  -58.94  114.26
   23.00  -72.65  193.00  -56.99  122.40
</PRE>


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