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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>
20 Mar 1997 03:19:28 yearsecs   6751168
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.95   23.42  -69.01  321.83
    1.00  -59.30   38.42  -67.31  346.02
    2.00  -60.14   53.42  -64.31    5.37
    3.00  -67.45   68.42  -69.05   33.38
    4.00  -67.27   83.42  -64.98   46.11
    5.00  -68.22   98.42  -62.39   59.52
    6.00  -68.54  113.42  -59.63   70.70
    7.00  -68.93  128.42  -57.54   81.13
    8.00  -69.24  143.42  -56.00   90.99
    9.00  -69.34  158.42  -54.82  100.54
   10.00  -68.84  173.42  -53.50  109.85
   11.00  -68.41  188.42  -52.73  119.31
   12.00  -68.24  203.42  -52.80  128.85
   13.00  -68.35  218.42  -53.74  138.37
   14.00  -68.71  233.42  -55.44  147.84
   15.00  -69.35  248.42  -57.78  157.11
   16.00  -69.40  263.42  -59.98  166.82
   17.00  -69.17  278.42  -62.33  177.04
   18.00  -70.13  293.42  -66.10  185.70
   19.00  -69.43  308.42  -68.93  197.55
   20.00  -68.64  323.42  -72.00  211.47
   21.00  -66.91  338.42  -74.36  231.31
   22.00  -62.78  353.42  -73.78  261.44
   23.00  -60.08    8.42  -72.63  292.56
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.95   23.42  -75.05  323.02
    1.00  -64.30   38.42  -73.60  351.47
    2.00  -65.14   53.42  -70.58   13.00
    3.00  -72.86   68.42  -74.03   48.41
    4.00  -75.43   83.42  -72.16   65.90
    5.00  -75.61   98.42  -69.07   74.00
    6.00  -75.18  113.42  -65.94   80.75
    7.00  -73.93  128.42  -62.48   86.80
    8.00  -74.24  143.42  -61.01   95.29
    9.00  -74.42  158.42  -59.93  103.58
   10.00  -74.25  173.42  -58.96  111.70
   11.00  -74.48  188.42  -58.85  119.98
   12.00  -74.97  203.42  -59.49  128.07
   13.00  -74.83  218.42  -60.00  136.15
   14.00  -74.69  233.42  -61.00  144.33
   15.00  -74.55  248.42  -62.43  152.63
   16.00  -74.40  263.42  -64.28  161.03
   17.00  -74.17  278.42  -66.48  169.66
   18.00  -75.50  293.42  -70.21  174.95
   19.00  -75.75  308.42  -73.40  181.72
   20.00  -74.56  323.42  -76.09  193.77
   21.00  -71.91  338.42  -78.24  215.60
   22.00  -67.78  353.42  -78.61  251.13
   23.00  -65.08    8.42  -78.09  288.48
</PRE>


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