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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>
17 Jun 1997 12:27:22 yearsecs  14473642
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.82  248.33  -52.78  160.68
    1.00  -64.24  263.33  -55.40  171.31
    2.00  -65.26  278.33  -58.91  181.45
    3.00  -66.28  293.33  -62.82  191.42
    4.00  -66.08  308.33  -66.10  203.45
    5.00  -67.04  323.33  -70.67  214.86
    6.00  -67.12  338.33  -74.52  230.72
    7.00  -66.69  353.33  -77.57  253.87
    8.00  -67.66    8.33  -80.84  284.72
    9.00  -67.34   23.33  -80.13  325.77
   10.00  -66.95   38.33  -76.69  356.12
   11.00  -66.76   53.33  -72.45   16.29
   12.00  -66.80   68.33  -68.38   31.89
   13.00  -67.06   83.33  -64.78   45.63
   14.00  -67.54   98.33  -61.73   58.38
   15.00  -68.24  113.33  -59.34   70.25
   16.00  -69.17  128.33  -57.79   81.32
   17.00  -70.14  143.33  -56.92   91.64
   18.00  -69.93  158.33  -55.42  100.80
   19.00  -69.38  173.33  -54.05  109.96
   20.00  -68.32  188.33  -52.64  119.25
   21.00  -67.30  203.33  -51.88  128.87
   22.00  -65.90  218.33  -51.40  138.97
   23.00  -64.37  233.33  -51.41  149.74
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.82  248.33  -57.30  157.44
    1.00  -70.00  263.33  -60.49  166.15
    2.00  -71.14  278.33  -63.98  174.33
    3.00  -75.29  293.33  -70.05  175.40
    4.00  -77.94  308.33  -74.56  174.37
    5.00  -78.53  323.33  -77.73  176.49
    6.00  -77.58  338.33  -80.70  184.92
    7.00  -76.88  353.33  -84.11  192.26
    8.00  -77.44    8.33  -87.36  168.75
    9.00  -77.13   23.33  -87.64   75.79
   10.00  -77.40   38.33  -84.05   62.06
   11.00  -77.09   53.33  -80.29   60.50
   12.00  -77.12   68.33  -76.67   65.48
   13.00  -76.85   83.33  -73.12   70.45
   14.00  -76.88   98.33  -70.06   77.12
   15.00  -76.53  113.33  -67.13   83.23
   16.00  -76.73  128.33  -65.13   90.66
   17.00  -76.18  143.33  -62.92   97.25
   18.00  -76.47  158.33  -61.98  105.01
   19.00  -76.14  173.33  -60.88  112.43
   20.00  -75.02  188.33  -59.40  120.00
   21.00  -72.81  203.33  -57.33  128.31
   22.00  -70.90  218.33  -56.18  137.55
   23.00  -69.37  233.33  -56.04  147.45
</PRE>


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