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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>
04 May 1997 14:38:47 yearsecs  10679927
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.80  217.52  -49.33  138.92
    1.00  -63.51  232.52  -50.51  149.52
    2.00  -64.40  247.52  -53.20  159.76
    3.00  -65.28  262.52  -56.21  169.90
    4.00  -65.04  277.52  -58.56  181.07
    5.00  -66.12  292.52  -62.50  191.02
    6.00  -66.33  307.52  -66.12  202.39
    7.00  -66.23  322.52  -69.78  215.67
    8.00  -67.17  337.52  -74.36  229.61
    9.00  -66.33  352.52  -77.08  253.28
   10.00  -65.90    7.52  -78.90  285.35
   11.00  -65.73   22.52  -78.40  322.43
   12.00  -65.79   37.52  -75.58  352.46
   13.00  -66.08   52.52  -71.92   13.85
   14.00  -66.60   67.52  -68.38   30.71
   15.00  -67.34   82.52  -65.28   45.49
   16.00  -68.31   97.52  -62.68   59.01
   17.00  -69.37  112.52  -60.62   71.18
   18.00  -69.25  127.52  -57.99   80.87
   19.00  -68.66  142.52  -55.52   89.98
   20.00  -67.52  157.52  -53.04   99.01
   21.00  -66.47  172.52  -51.15  108.55
   22.00  -65.41  187.52  -49.73  118.41
   23.00  -64.43  202.52  -49.03  128.54
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.75  217.52  -55.02  137.40
    1.00  -70.90  232.52  -57.37  146.14
    2.00  -71.96  247.52  -60.01  154.49
    3.00  -75.11  262.52  -64.75  159.59
    4.00  -77.70  277.52  -69.04  162.48
    5.00  -78.35  292.52  -71.90  167.15
    6.00  -77.67  307.52  -74.27  175.03
    7.00  -77.10  322.52  -77.09  182.88
    8.00  -77.89  337.52  -80.57  182.82
    9.00  -77.53  352.52  -83.90  185.67
   10.00  -77.67    7.52  -87.06  167.16
   11.00  -77.38   22.52  -87.63   83.99
   12.00  -77.27   37.52  -84.26   60.91
   13.00  -77.02   52.52  -80.48   59.85
   14.00  -77.08   67.52  -76.84   65.02
   15.00  -76.71   82.52  -73.21   69.63
   16.00  -76.80   97.52  -70.17   76.56
   17.00  -75.94  112.52  -66.76   81.71
   18.00  -76.06  127.52  -64.61   89.26
   19.00  -76.10  142.52  -62.93   96.76
   20.00  -75.20  157.52  -60.77  103.65
   21.00  -73.06  172.52  -57.79  110.74
   22.00  -71.50  187.52  -55.84  119.10
   23.00  -70.19  202.52  -54.70  128.11
</PRE>


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