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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>
23 Aug 1997 19:05:40 yearsecs  20286340
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.76  143.13  -52.49   88.33
    1.00  -66.18  158.13  -51.64   98.76
    2.00  -66.96  173.13  -51.62  109.10
    3.00  -67.74  188.13  -52.06  119.06
    4.00  -67.31  203.13  -51.87  128.74
    5.00  -67.91  218.13  -53.31  138.31
    6.00  -67.77  233.13  -54.54  148.11
    7.00  -67.96  248.13  -56.50  157.92
    8.00  -68.90  263.13  -59.50  167.13
    9.00  -69.17  278.13  -62.27  176.85
   10.00  -68.95  293.13  -65.06  187.42
   11.00  -68.75  308.13  -68.30  198.66
   12.00  -68.78  323.13  -72.05  210.88
   13.00  -69.04  338.13  -76.06  225.32
   14.00  -69.52  353.13  -80.09  244.88
   15.00  -70.23    8.13  -83.50  278.04
   16.00  -70.94   23.13  -84.13  332.25
   17.00  -71.19   38.13  -81.07    9.90
   18.00  -71.29   53.13  -76.98   29.66
   19.00  -70.68   68.13  -72.28   41.30
   20.00  -69.84   83.13  -67.59   51.09
   21.00  -69.03   98.13  -63.25   60.65
   22.00  -68.35  113.13  -59.49   70.26
   23.00  -67.02  128.13  -55.64   79.10
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.76  143.13  -57.58   92.02
    1.00  -71.88  158.13  -57.40  101.79
    2.00  -72.67  173.13  -57.37  110.95
    3.00  -78.00  188.13  -62.45  120.31
    4.00  -79.94  203.13  -64.53  127.06
    5.00  -80.32  218.13  -65.40  133.25
    6.00  -79.61  233.13  -65.60  140.14
    7.00  -78.62  248.13  -66.02  147.82
    8.00  -78.71  263.13  -67.80  154.25
    9.00  -78.63  278.13  -69.80  160.69
   10.00  -78.45  293.13  -72.07  167.09
   11.00  -78.42  308.13  -74.74  172.59
   12.00  -78.69  323.13  -77.74  175.65
   13.00  -78.52  338.13  -80.75  178.71
   14.00  -78.38  353.13  -83.89  176.99
   15.00  -78.20    8.13  -86.76  157.64
   16.00  -78.10   23.13  -86.96   92.98
   17.00  -77.91   38.13  -84.03   67.49
   18.00  -78.92   53.13  -80.57   72.71
   19.00  -79.12   68.13  -77.41   75.01
   20.00  -78.30   83.13  -73.99   75.47
   21.00  -76.47   98.13  -69.80   75.99
   22.00  -73.76  113.13  -64.71   78.14
   23.00  -72.02  128.13  -60.66   84.30
</PRE>


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