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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>
27 Feb 1997 00:47:28 yearsecs   4927648
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.38   64.67  -64.20   20.31
    1.00  -63.56   79.67  -61.84   36.43
    2.00  -64.37   94.67  -59.24   50.71
    3.00  -67.73  109.67  -59.53   67.01
    4.00  -67.30  124.67  -56.44   77.00
    5.00  -67.90  139.67  -55.05   87.55
    6.00  -67.76  154.67  -53.49   97.27
    7.00  -67.94  169.67  -52.75  107.14
    8.00  -68.76  184.67  -53.11  116.98
    9.00  -69.15  199.67  -53.59  126.43
   10.00  -68.93  214.67  -54.04  135.84
   11.00  -68.74  229.67  -55.08  145.42
   12.00  -68.78  244.67  -56.79  155.08
   13.00  -69.04  259.67  -59.09  164.71
   14.00  -69.52  274.67  -61.95  174.10
   15.00  -70.23  289.67  -65.41  183.04
   16.00  -70.94  304.67  -69.23  191.81
   17.00  -71.05  319.67  -72.91  202.35
   18.00  -71.29  334.67  -76.86  214.34
   19.00  -70.67  349.67  -80.21  234.55
   20.00  -69.84    4.67  -82.64  269.16
   21.00  -69.03   19.67  -82.41  317.30
   22.00  -66.14   34.67  -76.66  348.20
   23.00  -63.98   49.67  -70.23    6.45
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.38   64.67  -69.98   29.66
    1.00  -68.56   79.67  -67.23   45.60
    2.00  -69.37   94.67  -64.37   58.74
    3.00  -75.63  109.67  -66.98   79.70
    4.00  -77.87  124.67  -66.63   90.85
    5.00  -78.23  139.67  -65.25   98.02
    6.00  -77.27  154.67  -63.03  103.88
    7.00  -75.92  169.67  -60.81  110.44
    8.00  -75.93  184.67  -60.36  118.21
    9.00  -76.10  199.67  -60.55  125.97
   10.00  -76.05  214.67  -61.00  133.70
   11.00  -76.21  229.67  -62.11  141.31
   12.00  -76.62  244.67  -63.87  148.54
   13.00  -76.50  259.67  -65.54  156.17
   14.00  -76.41  274.67  -67.62  163.72
   15.00  -76.27  289.67  -70.05  171.28
   16.00  -76.21  304.67  -72.89  178.54
   17.00  -76.05  319.67  -76.01  186.07
   18.00  -77.28  334.67  -79.82  185.98
   19.00  -77.56  349.67  -83.25  185.87
   20.00  -76.65    4.67  -86.89  191.76
   21.00  -74.43   19.67  -88.18  341.15
   22.00  -71.14   34.67  -81.93    3.43
   23.00  -68.98   49.67  -75.80   17.74
</PRE>


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