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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>
28 Jul 1997 12:35:08 yearsecs  18016508
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.76  247.42  -52.60  160.06
    1.00  -64.87  262.42  -55.82  170.16
    2.00  -65.85  277.42  -59.26  180.17
    3.00  -66.92  292.42  -63.18  189.88
    4.00  -66.66  307.42  -66.38  201.77
    5.00  -67.49  322.42  -70.81  213.09
    6.00  -67.52  337.42  -74.63  228.64
    7.00  -67.50  352.42  -78.14  250.17
    8.00  -68.17    7.42  -81.29  281.34
    9.00  -68.04   22.42  -81.03  324.20
   10.00  -67.70   37.42  -77.74  356.35
   11.00  -67.51   52.42  -73.52   17.02
   12.00  -67.55   67.42  -69.42   32.68
   13.00  -67.81   82.42  -65.78   46.32
   14.00  -68.30   97.42  -62.69   58.92
   15.00  -69.01  112.42  -60.28   70.63
   16.00  -69.87  127.42  -58.63   81.47
   17.00  -70.60  142.42  -57.49   91.46
   18.00  -70.46  157.42  -56.02  100.54
   19.00  -69.92  172.42  -54.62  109.56
   20.00  -68.95  187.42  -53.28  118.74
   21.00  -68.01  202.42  -52.54  128.23
   22.00  -66.44  217.42  -51.84  138.23
   23.00  -64.67  232.42  -51.59  148.99
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.76  247.42  -57.12  156.89
    1.00  -69.87  262.42  -60.23  165.71
    2.00  -70.85  277.42  -63.57  174.17
    3.00  -75.86  292.42  -70.27  173.60
    4.00  -78.19  307.42  -74.50  173.16
    5.00  -78.39  322.42  -77.51  176.94
    6.00  -77.91  337.42  -80.55  182.65
    7.00  -77.25  352.42  -83.90  188.55
    8.00  -77.69    7.42  -87.03  167.17
    9.00  -77.52   22.42  -87.54   86.90
   10.00  -77.70   37.42  -84.23   65.63
   11.00  -77.50   52.42  -80.61   63.04
   12.00  -77.68   67.42  -77.11   67.78
   13.00  -77.43   82.42  -73.66   72.06
   14.00  -77.38   97.42  -70.60   78.05
   15.00  -77.09  112.42  -67.75   83.95
   16.00  -77.24  127.42  -65.72   91.05
   17.00  -76.95  142.42  -63.76   97.68
   18.00  -77.47  157.42  -63.04  105.37
   19.00  -77.14  172.42  -61.92  112.43
   20.00  -76.01  187.42  -60.42  119.66
   21.00  -73.85  202.42  -58.34  127.68
   22.00  -71.44  217.42  -56.64  136.83
   23.00  -69.67  232.42  -56.22  146.72
</PRE>


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