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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>
13 Aug 1997 00:40:56 yearsecs  19356056
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.75   60.54  -57.67    9.00
    1.00  -57.12   75.54  -54.59   23.88
    2.00  -57.48   90.54  -51.98   38.27
    3.00  -57.83  105.54  -49.61   52.34
    4.00  -58.19  120.54  -47.47   65.73
    5.00  -58.96  135.54  -46.24   78.42
    6.00  -60.93  150.54  -46.82   90.87
    7.00  -62.56  165.54  -47.51  102.47
    8.00  -62.18  180.54  -46.58  113.11
    9.00  -61.61  195.54  -46.04  123.73
   10.00  -61.21  210.54  -46.32  134.47
   11.00  -61.02  225.54  -47.41  145.36
   12.00  -61.06  240.54  -49.17  156.39
   13.00  -61.32  255.54  -51.52  167.50
   14.00  -61.80  270.54  -54.41  178.66
   15.00  -62.51  285.54  -57.84  189.78
   16.00  -63.45  300.54  -61.91  200.78
   17.00  -64.60  315.54  -66.58  212.01
   18.00  -64.84  330.54  -70.58  226.49
   19.00  -63.45  345.54  -72.86  247.96
   20.00  -61.78    0.54  -73.85  275.62
   21.00  -60.58   15.54  -73.09  306.79
   22.00  -58.74   30.54  -68.55  333.98
   23.00  -57.65   45.54  -63.09  353.72
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.97   60.54  -76.24   42.98
    1.00  -73.88   75.54  -72.94   56.54
    2.00  -74.73   90.54  -70.04   67.70
    3.00  -75.21  105.54  -67.37   76.76
    4.00  -75.94  120.54  -65.49   85.66
    5.00  -77.14  135.54  -64.65   94.67
    6.00  -77.32  150.54  -63.39  101.96
    7.00  -76.54  165.54  -61.62  108.68
    8.00  -76.46  180.54  -60.98  116.23
    9.00  -76.70  195.54  -61.11  123.84
   10.00  -76.19  210.54  -60.95  131.53
   11.00  -75.83  225.54  -61.44  139.42
   12.00  -75.59  240.54  -62.51  147.42
   13.00  -75.38  255.54  -64.05  155.53
   14.00  -75.35  270.54  -66.14  163.46
   15.00  -75.15  285.54  -68.49  171.68
   16.00  -75.42  300.54  -71.56  178.75
   17.00  -75.58  315.54  -74.85  185.81
   18.00  -75.19  330.54  -78.12  195.18
   19.00  -74.35  345.54  -81.47  209.60
   20.00  -74.08    0.54  -85.23  229.27
   21.00  -73.41   15.54  -87.41  301.32
   22.00  -73.56   30.54  -85.00   11.90
   23.00  -72.80   45.54  -80.32   28.54
</PRE>


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