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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>
29 Oct 1997 10:35:20 yearsecs  26044520
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.31  266.87  -52.42  176.91
    1.00  -60.98  281.87  -55.73  188.30
    2.00  -61.65  296.87  -59.43  199.86
    3.00  -62.31  311.87  -63.59  211.98
    4.00  -61.44  326.87  -66.53  227.89
    5.00  -62.51  341.87  -71.13  244.34
    6.00  -63.48  356.87  -75.08  266.51
    7.00  -64.02   11.87  -77.06  297.43
    8.00  -64.55   26.87  -76.39  331.07
    9.00  -63.91   41.87  -72.24  356.04
   10.00  -63.49   56.87  -67.67   13.96
   11.00  -63.30   71.87  -63.47   28.80
   12.00  -63.34   86.87  -59.87   42.51
   13.00  -63.60  101.87  -56.83   55.65
   14.00  -64.08  116.87  -54.41   68.11
   15.00  -64.78  131.87  -52.81   79.78
   16.00  -65.72  146.87  -52.08   90.86
   17.00  -66.87  161.87  -52.10  101.59
   18.00  -66.85  176.87  -51.37  111.55
   19.00  -66.21  191.87  -50.54  121.39
   20.00  -64.66  206.87  -49.46  131.48
   21.00  -63.56  221.87  -49.47  142.02
   22.00  -62.05  236.87  -49.65  153.25
   23.00  -60.89  251.87  -50.58  164.97
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.46  266.87  -64.01  164.23
    1.00  -74.18  281.87  -67.09  171.56
    2.00  -75.08  296.87  -70.59  177.75
    3.00  -75.84  311.87  -74.19  183.12
    4.00  -77.70  326.87  -78.23  181.50
    5.00  -78.58  341.87  -81.53  178.26
    6.00  -78.42  356.87  -84.63  174.07
    7.00  -77.84   11.87  -87.56  148.04
    8.00  -78.31   26.87  -86.20   85.44
    9.00  -78.24   41.87  -83.12   69.25
   10.00  -78.02   56.87  -79.64   67.14
   11.00  -77.69   71.87  -76.10   69.26
   12.00  -77.36   86.87  -72.68   73.62
   13.00  -77.24  101.87  -69.68   79.60
   14.00  -77.10  116.87  -67.06   85.97
   15.00  -76.61  131.87  -64.58   92.19
   16.00  -76.46  146.87  -62.86   99.30
   17.00  -75.43  161.87  -60.72  106.10
   18.00  -75.31  176.87  -59.91  113.96
   19.00  -75.77  191.87  -60.16  121.94
   20.00  -75.36  206.87  -59.98  129.84
   21.00  -74.04  221.87  -59.45  138.39
   22.00  -73.90  236.87  -60.59  146.80
   23.00  -73.04  251.87  -61.52  156.07
</PRE>


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