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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
23 Sep 1997 14:31:28 yearsecs  22948288
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.05  214.20  -50.29  136.39
    1.00  -65.26  229.20  -51.79  146.54
    2.00  -66.25  244.20  -54.44  156.35
    3.00  -67.25  259.20  -57.44  165.96
    4.00  -67.07  274.20  -59.75  176.57
    5.00  -68.00  289.20  -63.43  186.05
    6.00  -68.28  304.20  -66.98  196.55
    7.00  -69.08  319.20  -71.29  206.80
    8.00  -70.66  334.20  -76.30  216.04
    9.00  -71.03  349.20  -80.36  232.29
   10.00  -70.14    4.20  -82.86  266.74
   11.00  -69.42   19.20  -82.88  316.18
   12.00  -69.03   34.20  -79.94  354.15
   13.00  -68.95   49.20  -75.91   17.09
   14.00  -69.17   64.20  -71.94   33.64
   15.00  -69.68   79.20  -68.43   47.69
   16.00  -70.20   94.20  -65.27   59.94
   17.00  -70.19  109.20  -62.07   70.14
   18.00  -70.23  124.20  -59.47   79.84
   19.00  -69.44  139.20  -56.67   88.49
   20.00  -68.46  154.20  -54.24   97.36
   21.00  -67.62  169.20  -52.45  106.73
   22.00  -67.05  184.20  -51.41  116.42
   23.00  -66.20  199.20  -50.65  126.23
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.47  214.20  -60.40  133.67
    1.00  -76.60  229.20  -62.45  140.80
    2.00  -77.44  244.20  -64.57  147.42
    3.00  -81.64  259.20  -69.66  147.19
    4.00  -83.17  274.20  -72.22  147.75
    5.00  -83.64  289.20  -74.02  149.16
    6.00  -83.40  304.20  -75.65  151.84
    7.00  -82.99  319.20  -77.47  154.05
    8.00  -82.67  334.20  -79.43  153.70
    9.00  -82.45  349.20  -81.30  148.95
   10.00  -82.08    4.20  -82.90  138.47
   11.00  -81.93   19.20  -83.38  120.07
   12.00  -81.94   34.20  -82.41  103.11
   13.00  -81.64   49.20  -80.70   91.61
   14.00  -81.35   64.20  -78.38   86.50
   15.00  -81.06   79.20  -75.82   85.66
   16.00  -80.78   94.20  -73.26   87.41
   17.00  -80.49  109.20  -70.85   90.73
   18.00  -81.25  124.20  -69.55   97.34
   19.00  -81.42  139.20  -68.23  102.68
   20.00  -80.88  154.20  -66.60  107.38
   21.00  -79.54  169.20  -64.49  112.30
   22.00  -77.44  184.20  -61.91  118.31
   23.00  -76.25  199.20  -60.70  125.72
</PRE>


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