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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>
17 Feb 1997 01:07:29 yearsecs   4064849
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.88   60.53  -63.38   13.93
    1.00  -61.52   75.53  -60.39   29.51
    2.00  -62.15   90.53  -57.68   44.04
    3.00  -62.79  105.53  -55.20   57.68
    4.00  -62.06  120.53  -51.65   69.00
    5.00  -63.18  135.53  -50.67   81.20
    6.00  -64.02  150.53  -50.01   92.42
    7.00  -64.39  165.53  -49.37  103.09
    8.00  -64.76  180.53  -49.17  113.56
    9.00  -64.32  195.53  -48.71  123.77
   10.00  -63.91  210.53  -48.93  134.07
   11.00  -63.72  225.53  -49.97  144.52
   12.00  -63.75  240.53  -51.69  155.11
   13.00  -64.01  255.53  -53.99  165.77
   14.00  -64.49  270.53  -56.83  176.41
   15.00  -65.20  285.53  -60.24  186.89
   16.00  -66.13  300.53  -64.29  197.14
   17.00  -67.29  315.53  -68.90  207.39
   18.00  -67.28  330.53  -72.70  221.51
   19.00  -66.62  345.53  -75.81  241.50
   20.00  -65.13    0.53  -77.31  270.95
   21.00  -64.02   15.53  -77.01  305.85
   22.00  -62.60   30.53  -73.37  336.37
   23.00  -61.43   45.53  -68.17  357.61
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.50   60.53  -73.27   31.05
    1.00  -70.32   75.53  -69.98   46.33
    2.00  -71.27   90.53  -67.11   59.52
    3.00  -72.10  105.53  -64.61   70.85
    4.00  -74.48  120.53  -64.15   83.32
    5.00  -75.62  135.53  -63.21   92.68
    6.00  -75.29  150.53  -61.40  100.05
    7.00  -74.52  165.53  -59.59  107.51
    8.00  -75.05  180.53  -59.55  115.82
    9.00  -75.32  195.53  -59.71  123.85
   10.00  -75.28  210.53  -60.05  131.79
   11.00  -75.06  225.53  -60.69  139.86
   12.00  -74.77  240.53  -61.76  148.12
   13.00  -74.73  255.53  -63.48  156.31
   14.00  -74.74  270.53  -65.64  164.41
   15.00  -74.29  285.53  -67.84  173.37
   16.00  -74.19  300.53  -70.73  181.87
   17.00  -72.86  315.53  -73.17  194.41
   18.00  -72.70  330.53  -76.74  205.59
   19.00  -73.34  345.53  -80.95  215.79
   20.00  -72.75    0.53  -84.38  241.92
   21.00  -70.91   15.53  -84.67  303.42
   22.00  -70.45   30.53  -82.24  351.32
   23.00  -69.29   45.53  -77.27   13.43
</PRE>


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