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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>
11 Sep 1997 18:38:12 yearsecs  21926292
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.13  149.58  -48.14   90.76
    1.00  -62.69  164.58  -47.69  101.82
    2.00  -63.26  179.58  -47.69  112.62
    3.00  -63.82  194.58  -48.20  123.11
    4.00  -63.40  209.58  -48.38  133.49
    5.00  -64.66  224.58  -50.77  143.57
    6.00  -65.16  239.58  -52.87  153.74
    7.00  -65.19  254.58  -54.92  164.28
    8.00  -65.86  269.58  -57.88  174.48
    9.00  -65.22  284.58  -60.07  186.15
   10.00  -64.85  299.58  -62.94  198.18
   11.00  -64.61  314.58  -66.35  211.13
   12.00  -64.65  329.58  -70.17  225.78
   13.00  -64.91  344.58  -74.02  243.89
   14.00  -65.39  359.59  -77.43  268.56
   15.00  -66.10   14.58  -79.36  302.84
   16.00  -67.03   29.58  -78.75  339.85
   17.00  -68.18   44.58  -76.39    8.77
   18.00  -68.21   59.58  -72.25   26.60
   19.00  -67.52   74.58  -67.49   39.08
   20.00  -66.14   89.58  -62.30   49.20
   21.00  -65.04  104.58  -57.80   59.68
   22.00  -63.78  119.58  -53.63   69.88
   23.00  -62.60  134.58  -50.18   80.09
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.93  149.58  -59.13   97.56
    1.00  -73.96  164.58  -59.08  106.68
    2.00  -74.90  179.58  -59.41  115.27
    3.00  -75.84  194.58  -60.23  123.35
    4.00  -78.22  209.58  -62.96  130.43
    5.00  -79.19  224.58  -64.63  136.77
    6.00  -78.77  239.58  -65.34  143.83
    7.00  -78.23  254.58  -66.37  151.26
    8.00  -79.08  269.58  -68.92  156.24
    9.00  -78.91  284.58  -70.96  162.58
   10.00  -78.96  299.58  -73.45  167.84
   11.00  -78.83  314.58  -76.12  172.93
   12.00  -78.56  329.58  -79.00  177.57
   13.00  -78.33  344.58  -82.10  179.94
   14.00  -78.36  359.59  -85.18  172.04
   15.00  -77.93   14.58  -87.66  133.15
   16.00  -77.74   29.58  -86.00   72.83
   17.00  -76.35   44.58  -82.36   52.58
   18.00  -76.10   59.58  -78.37   56.93
   19.00  -76.68   74.58  -74.99   66.11
   20.00  -76.13   89.58  -71.29   71.03
   21.00  -74.36  104.58  -66.82   74.50
   22.00  -73.73  119.58  -63.60   81.67
   23.00  -72.93  134.58  -60.70   89.04
</PRE>


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