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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>
11 Feb 1997 21:07:00 yearsecs   3618420
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.74  120.37  -45.91   64.43
    1.00  -57.11  135.37  -44.29   77.15
    2.00  -57.47  150.37  -43.23   89.14
    3.00  -57.83  165.37  -42.67  100.82
    4.00  -58.18  180.37  -42.55  112.30
    5.00  -58.96  195.37  -43.41  123.55
    6.00  -60.93  210.37  -46.04  134.38
    7.00  -62.56  225.37  -48.86  144.77
    8.00  -62.24  240.37  -50.26  155.72
    9.00  -61.60  255.37  -51.76  167.20
   10.00  -61.24  270.37  -53.86  178.97
   11.00  -61.00  285.37  -56.42  191.10
   12.00  -61.04  300.37  -59.65  203.47
   13.00  -61.30  315.37  -63.51  216.53
   14.00  -61.79  330.37  -67.72  231.24
   15.00  -62.50  345.37  -71.89  249.25
   16.00  -63.43    0.37  -75.54  273.23
   17.00  -64.59   15.37  -77.65  305.32
   18.00  -64.83   30.37  -76.06  338.27
   19.00  -63.44   45.37  -70.74    0.12
   20.00  -61.77   60.37  -64.57   15.02
   21.00  -60.57   75.37  -59.24   28.04
   22.00  -58.73   90.37  -53.60   39.56
   23.00  -57.64  105.37  -49.43   51.99
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.94  120.37  -60.79   78.30
    1.00  -71.87  135.37  -59.56   88.39
    2.00  -72.75  150.37  -58.88   97.87
    3.00  -73.21  165.37  -58.28  106.73
    4.00  -73.95  180.37  -58.43  115.45
    5.00  -75.23  195.37  -59.61  123.76
    6.00  -75.54  210.37  -60.29  131.63
    7.00  -74.57  225.37  -60.21  140.04
    8.00  -74.56  240.37  -61.55  148.21
    9.00  -74.92  255.37  -63.63  155.99
   10.00  -74.44  270.37  -65.37  164.79
   11.00  -74.09  285.37  -67.66  173.66
   12.00  -73.89  300.37  -70.48  182.51
   13.00  -73.72  315.37  -73.70  191.77
   14.00  -73.75  330.37  -77.33  201.38
   15.00  -73.58  345.37  -81.04  214.23
   16.00  -73.94    0.37  -85.11  230.53
   17.00  -74.16   15.37  -88.22  297.93
   18.00  -73.76   30.37  -85.19   13.56
   19.00  -72.79   45.37  -80.37   28.30
   20.00  -72.44   60.37  -75.89   40.74
   21.00  -71.64   75.37  -71.20   49.71
   22.00  -71.74   90.37  -67.58   60.45
   23.00  -70.82  105.37  -63.44   68.60
</PRE>


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