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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>
18 Aug 1997 21:46:12 yearsecs  19863972
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.68  103.19  -53.33   53.28
    1.00  -61.32  118.19  -51.26   66.48
    2.00  -61.97  133.19  -49.70   78.62
    3.00  -62.61  148.19  -48.76   90.01
    4.00  -61.83  163.19  -46.89  100.51
    5.00  -62.92  178.19  -47.38  111.58
    6.00  -63.80  193.19  -48.16  122.15
    7.00  -64.22  208.19  -49.10  132.43
    8.00  -64.84  223.19  -50.81  142.56
    9.00  -64.28  238.19  -51.89  153.20
   10.00  -63.82  253.19  -53.47  164.20
   11.00  -63.62  268.19  -55.65  175.42
   12.00  -63.64  283.19  -58.39  186.79
   13.00  -63.90  298.19  -61.78  198.30
   14.00  -64.37  313.19  -65.79  210.26
   15.00  -65.08  328.19  -70.20  223.52
   16.00  -66.00  343.19  -74.71  239.63
   17.00  -67.16  358.19  -78.95  261.95
   18.00  -67.14   13.19  -80.51  298.55
   19.00  -66.49   28.19  -78.40  336.02
   20.00  -64.97   43.19  -73.17  359.66
   21.00  -63.86   58.19  -67.75   16.01
   22.00  -62.40   73.19  -62.06   28.63
   23.00  -61.24   88.19  -57.13   40.73
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.81  103.19  -66.62   72.65
    1.00  -74.53  118.19  -64.56   82.14
    2.00  -75.36  133.19  -63.24   91.16
    3.00  -76.09  148.19  -62.39   99.60
    4.00  -77.98  163.19  -63.20  108.50
    5.00  -78.95  178.19  -63.59  115.96
    6.00  -78.83  193.19  -63.29  122.75
    7.00  -78.33  208.19  -63.03  129.74
    8.00  -78.89  223.19  -64.26  136.36
    9.00  -78.84  238.19  -65.28  143.14
   10.00  -78.68  253.19  -66.61  149.98
   11.00  -78.40  268.19  -68.21  157.00
   12.00  -78.11  283.19  -70.21  164.00
   13.00  -78.00  298.19  -72.69  170.36
   14.00  -77.92  313.19  -75.50  176.18
   15.00  -77.48  328.19  -78.45  182.99
   16.00  -77.34  343.19  -81.77  187.41
   17.00  -76.24  358.19  -85.29  200.01
   18.00  -76.04   13.19  -89.17  193.95
   19.00  -76.48   28.19  -86.70   53.28
   20.00  -76.01   43.19  -82.65   49.26
   21.00  -74.61   58.19  -77.97   48.61
   22.00  -74.36   73.19  -73.89   56.76
   23.00  -73.52   88.19  -69.60   63.24
</PRE>


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