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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>
15 Apr 1997 15:04:59 yearsecs   9039899
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.12  210.25  -51.06  133.54
    1.00  -65.94  225.25  -52.03  143.60
    2.00  -66.76  240.25  -54.42  153.36
    3.00  -67.58  255.25  -57.15  162.98
    4.00  -67.18  270.25  -59.16  173.68
    5.00  -67.83  285.25  -62.48  183.47
    6.00  -67.71  300.25  -65.59  194.51
    7.00  -67.85  315.25  -69.31  206.06
    8.00  -68.76  330.25  -73.83  217.66
    9.00  -68.86  345.25  -77.68  234.91
   10.00  -68.70    0.25  -80.81  262.04
   11.00  -68.51   15.25  -82.03  303.61
   12.00  -68.55   30.25  -80.31  344.51
   13.00  -68.81   45.25  -76.86   11.51
   14.00  -69.29   60.25  -73.15   30.19
   15.00  -70.00   75.25  -69.76   45.31
   16.00  -70.74   90.25  -66.70   58.22
   17.00  -71.07  105.25  -63.70   68.94
   18.00  -71.13  120.25  -61.00   78.47
   19.00  -70.53  135.25  -58.24   87.01
   20.00  -69.67  150.25  -55.79   95.60
   21.00  -68.84  165.25  -53.88  104.63
   22.00  -68.12  180.25  -52.56  114.04
   23.00  -67.22  195.25  -51.59  123.64
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.24  210.25  -57.02  132.40
    1.00  -73.30  225.25  -58.99  140.62
    2.00  -74.09  240.25  -61.11  148.53
    3.00  -78.89  255.25  -67.01  150.56
    4.00  -80.72  270.25  -70.20  152.93
    5.00  -81.09  285.25  -72.36  156.73
    6.00  -80.49  300.25  -74.27  162.77
    7.00  -79.68  315.25  -76.51  169.44
    8.00  -79.79  330.25  -79.26  170.74
    9.00  -79.77  345.25  -82.00  168.73
   10.00  -79.66    0.25  -84.54  158.14
   11.00  -79.62   15.25  -85.88  126.72
   12.00  -79.80   30.25  -84.58   94.17
   13.00  -79.59   45.25  -82.11   79.31
   14.00  -79.45   60.25  -79.09   75.95
   15.00  -79.23   75.25  -75.99   76.95
   16.00  -79.14   90.25  -73.07   80.71
   17.00  -78.92  105.25  -70.34   85.22
   18.00  -79.73  120.25  -68.80   92.67
   19.00  -79.81  135.25  -67.15   98.53
   20.00  -79.01  150.25  -65.07  103.61
   21.00  -77.28  165.25  -62.39  109.00
   22.00  -74.85  180.25  -59.35  115.62
   23.00  -73.28  195.25  -57.65  123.70
</PRE>


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