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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>
04 Jun 1997 20:10:18 yearsecs  13378218
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.72  123.54  -50.80   71.06
    1.00  -62.30  138.54  -49.40   82.80
    2.00  -62.89  153.54  -48.62   93.99
    3.00  -63.48  168.54  -48.30  104.90
    4.00  -62.95  183.54  -47.31  115.35
    5.00  -64.17  198.54  -48.64  125.83
    6.00  -64.78  213.54  -49.98  135.99
    7.00  -64.93  228.54  -51.41  146.20
    8.00  -65.56  243.54  -53.73  156.29
    9.00  -64.98  258.54  -55.32  167.27
   10.00  -64.51  273.54  -57.37  178.63
   11.00  -64.32  288.54  -60.07  190.19
   12.00  -64.35  303.54  -63.42  202.06
   13.00  -64.61  318.54  -67.34  214.75
   14.00  -65.09  333.54  -71.56  229.38
   15.00  -65.80  348.54  -75.73  247.94
   16.00  -66.73    3.54  -79.36  274.57
   17.00  -67.89   18.54  -81.21  313.32
   18.00  -67.90   33.54  -78.89  349.75
   19.00  -67.22   48.54  -74.28   11.56
   20.00  -65.81   63.54  -68.58   25.19
   21.00  -64.70   78.54  -63.42   37.28
   22.00  -63.39   93.54  -58.41   48.37
   23.00  -62.22  108.54  -53.98   59.52
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.75  123.54  -60.09   80.03
    1.00  -71.73  138.54  -59.05   90.13
    2.00  -72.68  153.54  -58.55   99.64
    3.00  -73.60  168.54  -58.51  108.71
    4.00  -76.10  183.54  -60.56  117.67
    5.00  -77.14  198.54  -61.59  125.32
    6.00  -76.62  213.54  -61.51  132.91
    7.00  -75.84  228.54  -61.67  140.97
    8.00  -76.59  243.54  -63.73  148.00
    9.00  -76.17  258.54  -65.11  156.06
   10.00  -75.93  273.54  -67.07  164.02
   11.00  -76.29  288.54  -69.86  170.69
   12.00  -76.42  303.54  -72.79  177.39
   13.00  -76.25  318.54  -75.85  184.76
   14.00  -76.34  333.54  -79.29  190.85
   15.00  -75.92  348.54  -82.80  200.03
   16.00  -75.79    3.54  -86.63  208.44
   17.00  -74.35   18.54  -88.27  330.25
   18.00  -74.15   33.54  -84.57   23.35
   19.00  -74.82   48.54  -80.72   43.42
   20.00  -74.26   63.54  -76.32   50.43
   21.00  -72.43   78.54  -71.06   54.17
   22.00  -71.86   93.54  -66.96   62.80
   23.00  -70.79  108.54  -62.78   70.62
</PRE>


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