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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>
23 Oct 1997 03:13:12 yearsecs  25499592
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.45   19.51  -76.09  314.88
    1.00  -64.72   34.51  -75.04  345.67
    2.00  -65.58   49.51  -72.16    9.17
    3.00  -67.24   64.51  -69.88   29.21
    4.00  -67.07   79.51  -65.75   42.43
    5.00  -68.02   94.51  -63.07   56.25
    6.00  -68.32  109.51  -60.16   67.69
    7.00  -69.18  124.51  -58.37   78.86
    8.00  -70.86  139.51  -58.06   89.91
    9.00  -71.13  154.51  -56.91   99.17
   10.00  -70.17  169.51  -55.01  107.85
   11.00  -69.41  184.51  -53.77  116.98
   12.00  -69.01  199.51  -53.44  126.34
   13.00  -68.92  214.51  -54.02  135.75
   14.00  -69.14  229.51  -55.44  145.14
   15.00  -69.66  244.51  -57.57  154.39
   16.00  -70.18  259.51  -60.07  163.52
   17.00  -70.18  274.51  -62.49  173.18
   18.00  -70.23  289.51  -65.37  182.94
   19.00  -69.44  304.51  -68.01  194.67
   20.00  -68.46  319.51  -70.88  208.43
   21.00  -67.64  334.51  -74.01  224.98
   22.00  -67.00  349.51  -77.06  246.64
   23.00  -64.98    4.51  -77.65  279.71
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.45   19.51  -81.77  316.40
    1.00  -69.72   34.51  -80.58  357.08
    2.00  -70.58   49.51  -77.38   22.97
    3.00  -76.75   64.51  -77.42   62.30
    4.00  -78.87   79.51  -74.99   76.53
    5.00  -79.30   94.51  -72.40   82.61
    6.00  -78.51  109.51  -69.35   85.83
    7.00  -77.51  124.51  -66.33   90.16
    8.00  -77.46  139.51  -64.54   96.94
    9.00  -77.50  154.51  -63.27  104.02
   10.00  -77.27  169.51  -62.17  111.08
   11.00  -77.36  184.51  -61.83  118.44
   12.00  -77.67  199.51  -62.15  125.75
   13.00  -77.48  214.51  -62.41  133.06
   14.00  -77.28  229.51  -63.12  140.46
   15.00  -77.09  244.51  -64.28  147.96
   16.00  -76.89  259.51  -65.85  155.53
   17.00  -76.68  274.51  -67.81  163.13
   18.00  -77.90  289.51  -71.11  167.15
   19.00  -78.21  304.51  -73.96  172.06
   20.00  -77.31  319.51  -76.53  180.90
   21.00  -75.24  334.51  -79.10  197.16
   22.00  -72.00  349.51  -81.14  227.91
   23.00  -69.98    4.51  -82.75  268.22
</PRE>


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