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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>
11 Aug 1997 18:09:52 yearsecs  19246192
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.40  158.55  -48.78   97.79
    1.00  -63.81  173.55  -48.42  108.52
    2.00  -64.56  188.55  -48.88  119.02
    3.00  -65.28  203.55  -49.91  129.17
    4.00  -65.12  218.55  -50.68  139.31
    5.00  -66.44  233.55  -53.35  149.00
    6.00  -66.83  248.55  -55.54  158.96
    7.00  -66.78  263.55  -57.70  169.37
    8.00  -67.38  278.55  -60.81  179.30
    9.00  -67.34  293.55  -63.78  190.12
   10.00  -66.90  308.55  -66.85  202.29
   11.00  -66.49  323.55  -70.25  216.17
   12.00  -66.33  338.55  -73.89  232.81
   13.00  -66.42  353.55  -77.37  254.89
   14.00  -66.74    8.55  -79.88  286.74
   15.00  -67.29   23.55  -80.04  326.25
   16.00  -68.06   38.55  -77.85  359.19
   17.00  -69.00   53.55  -74.74   22.35
   18.00  -68.79   68.55  -70.38   36.64
   19.00  -67.83   83.55  -65.52   47.28
   20.00  -66.45   98.55  -60.57   56.89
   21.00  -65.64  113.55  -56.65   67.28
   22.00  -64.69  128.55  -53.17   77.32
   23.00  -63.74  143.55  -50.36   87.33
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.40  158.55  -59.90  103.64
    1.00  -75.35  173.55  -60.07  112.21
    2.00  -76.19  188.55  -60.59  120.26
    3.00  -77.54  203.55  -62.10  127.72
    4.00  -79.77  218.55  -64.88  133.75
    5.00  -80.54  233.55  -66.50  139.37
    6.00  -80.04  248.55  -67.29  146.04
    7.00  -79.56  263.55  -68.52  152.87
    8.00  -80.37  278.55  -71.03  156.62
    9.00  -80.31  293.55  -73.15  161.55
   10.00  -80.22  308.55  -75.51  165.73
   11.00  -79.92  323.55  -78.05  169.62
   12.00  -79.66  338.55  -80.80  171.15
   13.00  -79.50  353.55  -83.56  166.41
   14.00  -79.62    8.55  -85.55  143.68
   15.00  -79.32   23.55  -85.80  103.35
   16.00  -79.29   38.55  -83.51   80.57
   17.00  -78.24   53.55  -80.44   68.13
   18.00  -78.33   68.55  -77.09   71.22
   19.00  -78.63   83.55  -74.08   76.80
   20.00  -77.98   98.55  -70.82   80.14
   21.00  -76.24  113.55  -66.85   82.78
   22.00  -75.38  128.55  -63.84   88.81
   23.00  -74.59  143.55  -61.34   95.71
</PRE>


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