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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>
03 Aug 1997 19:48:30 yearsecs  18560910
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.84  132.05  -44.40   74.30
    1.00  -57.19  147.05  -43.21   86.43
    2.00  -57.53  162.05  -42.53   98.18
    3.00  -57.86  177.05  -42.29  109.73
    4.00  -58.19  192.05  -42.57  121.06
    5.00  -58.93  207.05  -43.89  132.19
    6.00  -60.87  222.05  -46.92  142.86
    7.00  -62.46  237.05  -50.06  153.20
    8.00  -62.09  252.05  -51.72  164.41
    9.00  -61.41  267.05  -53.45  176.26
   10.00  -61.01  282.05  -55.79  188.41
   11.00  -60.88  297.05  -58.76  200.84
   12.00  -60.97  312.05  -62.37  213.86
   13.00  -61.27  327.05  -66.40  228.32
   14.00  -61.78  342.05  -70.47  245.67
   15.00  -62.52  357.05  -74.12  268.20
   16.00  -63.47   12.05  -76.45  298.17
   17.00  -64.65   27.05  -76.47  331.51
   18.00  -64.90   42.05  -73.38  357.89
   19.00  -63.53   57.05  -67.66   14.21
   20.00  -61.88   72.05  -61.69   26.76
   21.00  -60.70   87.05  -56.73   38.98
   22.00  -58.86  102.05  -51.46   50.28
   23.00  -57.76  117.05  -47.56   62.40
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.47  132.05  -57.58   83.99
    1.00  -70.43  147.05  -56.86   94.16
    2.00  -71.35  162.05  -56.61  103.83
    3.00  -71.82  177.05  -56.37  112.96
    4.00  -72.58  192.05  -56.92  121.85
    5.00  -73.94  207.05  -58.57  130.23
    6.00  -74.25  222.05  -59.66  138.39
    7.00  -73.15  237.05  -59.91  147.43
    8.00  -73.11  252.05  -61.61  156.10
    9.00  -73.47  267.05  -64.04  164.33
   10.00  -72.87  282.05  -66.08  173.94
   11.00  -72.42  297.05  -68.69  183.80
   12.00  -72.26  312.05  -71.93  193.75
   13.00  -72.13  327.05  -75.50  204.89
   14.00  -72.20  342.05  -79.36  218.04
   15.00  -72.06  357.05  -83.04  239.70
   16.00  -72.50   12.05  -86.24  284.16
   17.00  -72.78   27.05  -85.23  355.53
   18.00  -72.38   42.05  -80.99   22.01
   19.00  -71.36   57.05  -75.94   33.77
   20.00  -71.02   72.05  -71.53   45.46
   21.00  -70.19   87.05  -66.96   54.78
   22.00  -70.34  102.05  -63.67   65.60
   23.00  -69.37  117.05  -59.80   74.20
</PRE>


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