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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>
11 Sep 1997 11:51:12 yearsecs  21901872
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.97  253.60  -47.10  168.40
    1.00  -57.28  268.60  -49.88  180.32
    2.00  -57.58  283.60  -52.91  192.57
    3.00  -57.86  298.60  -56.26  205.19
    4.00  -58.14  313.60  -60.03  218.54
    5.00  -58.81  328.60  -64.40  233.13
    6.00  -60.66  343.60  -69.71  249.35
    7.00  -61.62  358.60  -73.43  272.17
    8.00  -61.87   13.60  -74.64  302.33
    9.00  -61.38   28.60  -72.28  332.12
   10.00  -61.08   43.60  -68.24  354.72
   11.00  -60.99   58.60  -64.03   12.06
   12.00  -61.10   73.60  -60.33   27.10
   13.00  -61.42   88.60  -57.25   41.34
   14.00  -61.95  103.60  -54.67   55.09
   15.00  -62.70  118.60  -52.66   68.09
   16.00  -63.66  133.60  -51.42   80.15
   17.00  -64.84  148.60  -51.02   91.53
   18.00  -65.10  163.60  -50.20  102.02
   19.00  -63.75  178.60  -48.20  112.03
   20.00  -62.09  193.60  -46.47  122.37
   21.00  -60.88  208.60  -45.88  133.11
   22.00  -59.03  223.60  -45.30  144.48
   23.00  -57.91  238.60  -45.89  156.24
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.09  253.60  -60.03  158.95
    1.00  -72.00  268.60  -63.04  167.16
    2.00  -72.86  283.60  -66.36  174.88
    3.00  -73.29  298.60  -69.68  182.86
    4.00  -74.01  313.60  -73.48  189.84
    5.00  -75.18  328.60  -77.65  194.15
    6.00  -75.59  343.60  -81.47  200.03
    7.00  -74.64  358.60  -85.00  219.99
    8.00  -74.66   13.60  -88.59  273.63
    9.00  -75.03   28.60  -86.37   27.15
   10.00  -74.55   43.60  -81.96   37.84
   11.00  -74.24   58.60  -77.63   47.06
   12.00  -74.05   73.60  -73.56   55.92
   13.00  -73.89   88.60  -69.81   64.44
   14.00  -73.92  103.60  -66.63   73.10
   15.00  -73.76  118.60  -63.79   81.18
   16.00  -74.13  133.60  -62.00   89.86
   17.00  -74.35  148.60  -60.63   98.20
   18.00  -73.95  163.60  -59.13  106.14
   19.00  -72.99  178.60  -57.50  114.19
   20.00  -72.63  193.60  -56.97  122.75
   21.00  -71.83  208.60  -56.54  131.52
   22.00  -71.91  223.60  -57.54  140.31
   23.00  -70.99  238.60  -58.08  149.80
</PRE>


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