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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 Jan 1997 13:47:42 yearsecs   2382462
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.00  223.55  -43.31  144.97
    1.00  -57.31  238.55  -45.30  156.43
    2.00  -57.60  253.55  -47.71  168.03
    3.00  -57.88  268.55  -50.44  179.89
    4.00  -58.15  283.55  -53.44  192.07
    5.00  -58.83  298.55  -57.17  204.22
    6.00  -60.68  313.55  -62.47  215.59
    7.00  -62.19  328.55  -67.65  228.64
    8.00  -61.68  343.55  -70.70  247.89
    9.00  -61.00  358.55  -72.77  272.78
   10.00  -60.76   13.55  -73.38  302.65
   11.00  -60.73   28.55  -71.49  331.67
   12.00  -60.90   43.55  -68.02  354.45
   13.00  -61.26   58.55  -64.40   12.38
   14.00  -61.83   73.55  -61.26   28.10
   15.00  -62.60   88.55  -58.64   42.92
   16.00  -63.58  103.55  -56.47   57.01
   17.00  -64.78  118.55  -54.85   70.09
   18.00  -65.05  133.55  -52.87   81.18
   19.00  -63.71  148.55  -49.87   90.86
   20.00  -62.10  163.55  -47.15  100.87
   21.00  -60.92  178.55  -45.35  111.44
   22.00  -59.07  193.55  -43.47  122.21
   23.00  -57.94  208.55  -43.01  133.41
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.66  223.55  -57.29  140.39
    1.00  -72.55  238.55  -59.52  148.72
    2.00  -73.41  253.55  -62.06  156.67
    3.00  -73.85  268.55  -64.60  164.65
    4.00  -74.57  283.55  -67.69  171.75
    5.00  -75.80  298.55  -71.41  176.75
    6.00  -76.11  313.55  -74.70  183.01
    7.00  -75.18  328.55  -77.63  194.13
    8.00  -75.24  343.55  -81.34  202.37
    9.00  -75.52  358.55  -85.28  209.34
   10.00  -75.04   13.55  -88.92  262.38
   11.00  -74.72   28.55  -86.24   22.07
   12.00  -74.52   43.55  -81.96   37.57
   13.00  -74.35   58.55  -77.72   47.57
   14.00  -74.37   73.55  -73.80   56.97
   15.00  -74.20   88.55  -70.07   65.20
   16.00  -74.54  103.55  -67.18   74.32
   17.00  -74.75  118.55  -64.71   82.69
   18.00  -74.36  133.55  -62.23   90.11
   19.00  -73.42  148.55  -59.71   97.38
   20.00  -73.09  163.55  -58.26  105.63
   21.00  -72.32  178.55  -56.83  113.98
   22.00  -72.42  193.55  -56.76  122.71
   23.00  -71.54  208.55  -56.25  131.55
</PRE>


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