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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 Feb 1997 12:31:54 yearsecs   4365114
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.07  244.91  -49.76  159.63
    1.00  -62.36  259.91  -53.16  170.13
    2.00  -63.19  274.91  -56.44  180.86
    3.00  -67.43  289.91  -63.09  187.33
    4.00  -67.24  304.91  -66.27  198.83
    5.00  -68.16  319.91  -70.73  209.41
    6.00  -68.45  334.91  -74.78  223.33
    7.00  -69.35  349.91  -79.20  240.13
    8.00  -69.68    4.91  -82.52  270.35
    9.00  -69.59   19.91  -83.01  318.61
   10.00  -69.05   34.91  -79.80  355.57
   11.00  -68.58   49.91  -75.34   16.87
   12.00  -68.40   64.91  -70.97   32.31
   13.00  -68.48   79.91  -67.09   45.62
   14.00  -68.84   94.91  -63.80   57.96
   15.00  -69.46  109.91  -61.21   69.54
   16.00  -70.07  124.91  -59.20   80.09
   17.00  -70.13  139.91  -57.28   89.51
   18.00  -70.22  154.91  -55.97   98.85
   19.00  -69.48  169.91  -54.29  107.84
   20.00  -68.68  184.91  -53.03  117.12
   21.00  -67.93  199.91  -52.38  126.63
   22.00  -65.20  214.91  -50.47  136.83
   23.00  -62.87  229.91  -49.62  147.91
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.07  244.91  -54.37  156.94
    1.00  -67.36  259.91  -57.65  166.35
    2.00  -68.19  274.91  -60.85  175.83
    3.00  -75.03  289.91  -69.21  174.20
    4.00  -77.34  304.91  -73.59  175.11
    5.00  -77.34  319.91  -76.63  180.89
    6.00  -76.89  334.91  -79.78  188.30
    7.00  -75.73  349.91  -83.10  202.26
    8.00  -75.96    4.91  -87.01  205.60
    9.00  -76.08   19.91  -88.93   52.99
   10.00  -75.89   34.91  -84.87   44.55
   11.00  -76.05   49.91  -80.87   52.41
   12.00  -76.45   64.91  -77.19   61.02
   13.00  -76.30   79.91  -73.54   67.03
   14.00  -76.14   94.91  -70.19   73.61
   15.00  -75.97  109.91  -67.23   80.49
   16.00  -75.81  124.91  -64.74   87.60
   17.00  -75.63  139.91  -62.73   94.91
   18.00  -76.92  154.91  -62.67  103.69
   19.00  -77.18  169.91  -62.07  111.22
   20.00  -76.15  184.91  -60.58  118.38
   21.00  -73.83  199.91  -58.26  126.29
   22.00  -70.20  214.91  -55.28  135.67
   23.00  -67.87  229.91  -54.29  145.95
</PRE>


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