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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>
25 Oct 1997 11:24:28 yearsecs  25701868
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.52  254.45  -47.76  168.79
    1.00  -57.66  269.45  -50.39  180.77
    2.00  -57.75  284.45  -53.23  193.16
    3.00  -57.78  299.45  -56.37  206.02
    4.00  -57.72  314.45  -59.84  219.80
    5.00  -57.97  329.45  -63.77  235.03
    6.00  -59.30  344.45  -68.52  252.23
    7.00  -60.17  359.46  -72.02  275.28
    8.00  -61.17   14.45  -73.82  304.37
    9.00  -61.06   29.45  -71.71  333.42
   10.00  -61.05   44.45  -67.97  355.79
   11.00  -61.18   59.45  -64.05   13.22
   12.00  -61.46   74.45  -60.58   28.43
   13.00  -61.92   89.45  -57.65   42.78
   14.00  -62.56  104.45  -55.17   56.52
   15.00  -63.39  119.45  -53.24   69.40
   16.00  -64.40  134.45  -52.08   81.31
   17.00  -65.61  149.45  -51.74   92.56
   18.00  -65.92  164.45  -50.98  102.92
   19.00  -64.61  179.45  -49.05  112.80
   20.00  -62.93  194.45  -47.32  123.00
   21.00  -61.68  209.45  -46.71  133.63
   22.00  -59.78  224.45  -46.11  144.91
   23.00  -58.58  239.45  -46.65  156.63
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -76.60  254.45  -64.97  153.43
    1.00  -77.47  269.45  -67.66  159.29
    2.00  -78.30  284.45  -70.54  164.07
    3.00  -78.85  299.45  -73.38  168.15
    4.00  -79.61  314.45  -76.35  169.57
    5.00  -80.45  329.45  -79.13  166.97
    6.00  -80.51  344.45  -81.64  163.70
    7.00  -79.64  359.46  -84.44  159.34
    8.00  -79.43   14.45  -86.07  129.21
    9.00  -79.49   29.45  -84.93   92.84
   10.00  -78.97   44.45  -82.42   74.72
   11.00  -78.58   59.45  -79.16   70.85
   12.00  -78.30   74.45  -75.80   72.69
   13.00  -78.04   89.45  -72.58   76.81
   14.00  -77.93  104.45  -69.75   82.41
   15.00  -77.69  119.45  -67.20   88.26
   16.00  -77.86  134.45  -65.45   95.18
   17.00  -77.98  149.45  -64.13  102.13
   18.00  -77.78  164.45  -62.93  108.96
   19.00  -77.16  179.45  -61.72  115.90
   20.00  -77.02  194.45  -61.44  123.30
   21.00  -76.58  209.45  -61.30  130.87
   22.00  -76.81  224.45  -62.31  138.29
   23.00  -76.32  239.45  -63.07  146.20
</PRE>


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