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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>
09 Sep 1997 20:43:28 yearsecs  21761008
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.42  118.44  -51.32   66.76
    1.00  -62.02  133.44  -49.72   78.84
    2.00  -62.63  148.44  -48.76   90.19
    3.00  -63.23  163.44  -48.31  101.20
    4.00  -62.63  178.44  -47.08  111.69
    5.00  -63.81  193.44  -48.18  122.33
    6.00  -64.51  208.44  -49.39  132.56
    7.00  -64.73  223.44  -50.73  142.76
    8.00  -65.34  238.44  -52.90  152.86
    9.00  -64.71  253.44  -54.31  163.80
   10.00  -64.32  268.44  -56.32  175.01
   11.00  -64.10  283.44  -58.85  186.51
   12.00  -64.14  298.44  -62.05  198.20
   13.00  -64.39  313.44  -65.87  210.45
   14.00  -64.88  328.44  -70.09  224.14
   15.00  -65.58  343.44  -74.39  240.89
   16.00  -66.52  358.44  -78.37  263.97
   17.00  -67.67   13.44  -81.10  298.84
   18.00  -67.68   28.44  -79.70  338.53
   19.00  -67.01   43.44  -75.43    4.14
   20.00  -65.56   58.44  -69.69   19.42
   21.00  -64.46   73.44  -64.43   32.20
   22.00  -63.11   88.44  -59.24   43.54
   23.00  -61.93  103.44  -54.69   54.93
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.41  118.44  -62.53   79.10
    1.00  -73.31  133.44  -61.22   88.82
    2.00  -74.23  148.44  -60.52   98.01
    3.00  -75.10  163.44  -60.29  106.72
    4.00  -77.34  178.44  -61.93  115.47
    5.00  -78.36  193.44  -62.80  122.84
    6.00  -78.07  208.44  -62.76  129.94
    7.00  -77.51  223.44  -62.93  137.36
    8.00  -78.27  238.44  -64.78  143.83
    9.00  -78.16  253.44  -66.18  150.84
   10.00  -78.13  268.44  -68.04  157.62
   11.00  -77.92  283.44  -70.12  164.56
   12.00  -77.59  298.44  -72.50  171.69
   13.00  -77.45  313.44  -75.34  178.09
   14.00  -77.43  328.44  -78.49  183.30
   15.00  -76.98  343.44  -81.78  190.06
   16.00  -76.82  358.44  -85.35  192.32
   17.00  -75.51   13.44  -89.21  235.54
   18.00  -75.29   28.44  -86.51   31.33
   19.00  -75.84   43.44  -82.53   47.88
   20.00  -75.29   58.44  -78.28   52.17
   21.00  -73.62   73.44  -73.29   54.38
   22.00  -73.15   88.44  -69.24   62.46
   23.00  -72.25  103.44  -65.17   69.84
</PRE>


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