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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>
28 Jul 1997 15:58:16 yearsecs  18028696
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.11  199.33  -48.60  126.37
    1.00  -65.80  214.33  -51.01  136.32
    2.00  -67.01  229.33  -53.43  145.93
    3.00  -69.37  244.33  -57.28  154.47
    4.00  -69.16  259.33  -59.14  164.37
    5.00  -69.93  274.33  -62.25  173.37
    6.00  -70.07  289.33  -65.21  183.06
    7.00  -70.64  304.33  -68.92  192.19
    8.00  -71.89  319.33  -73.42  199.80
    9.00  -72.57  334.33  -77.62  209.21
   10.00  -71.98  349.33  -81.08  227.79
   11.00  -71.35    4.33  -84.02  261.43
   12.00  -71.01   19.33  -84.63  318.58
   13.00  -70.95   34.33  -81.83    1.82
   14.00  -71.14   49.33  -77.93   24.94
   15.00  -71.57   64.33  -74.10   40.92
   16.00  -71.96   79.33  -70.46   53.44
   17.00  -71.28   94.33  -66.24   62.12
   18.00  -71.89  109.33  -63.66   72.84
   19.00  -70.93  124.33  -60.15   80.73
   20.00  -70.26  139.33  -57.49   89.27
   21.00  -69.43  154.33  -55.21   98.01
   22.00  -66.59  169.33  -51.41  106.45
   23.00  -65.09  184.33  -49.44  116.21
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.11  199.33  -53.54  126.22
    1.00  -70.80  214.33  -55.82  135.16
    2.00  -72.01  229.33  -58.10  143.64
    3.00  -77.98  244.33  -65.06  146.88
    4.00  -80.10  259.33  -68.46  150.20
    5.00  -80.67  274.33  -70.67  154.45
    6.00  -80.17  289.33  -72.44  160.72
    7.00  -79.36  304.33  -74.47  167.96
    8.00  -79.51  319.33  -77.21  170.99
    9.00  -79.60  334.33  -80.02  171.86
   10.00  -79.21  349.33  -82.91  171.44
   11.00  -79.04    4.33  -85.57  157.41
   12.00  -79.04   19.33  -86.41  113.68
   13.00  -78.59   34.33  -84.64   77.44
   14.00  -78.10   49.33  -81.41   67.02
   15.00  -77.56   64.33  -77.78   66.28
   16.00  -76.96   79.33  -74.07   69.16
   17.00  -76.28   94.33  -70.41   73.70
   18.00  -77.01  109.33  -68.19   82.38
   19.00  -76.66  124.33  -65.60   88.66
   20.00  -76.20  139.33  -63.35   95.29
   21.00  -74.43  154.33  -60.23  101.37
   22.00  -71.59  169.33  -56.45  108.30
   23.00  -70.09  184.33  -54.45  116.97
</PRE>


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