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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>
07 Sep 1997 14:23:40 yearsecs  21565420
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.10  219.23  -51.67  139.52
    1.00  -65.91  234.23  -52.94  149.70
    2.00  -66.74  249.23  -55.55  159.49
    3.00  -67.56  264.23  -58.50  169.14
    4.00  -67.17  279.23  -60.75  180.02
    5.00  -67.82  294.23  -64.34  189.92
    6.00  -67.71  309.23  -67.71  201.43
    7.00  -67.85  324.23  -71.57  214.01
    8.00  -68.59  339.23  -75.97  227.94
    9.00  -68.93  354.23  -79.82  249.01
   10.00  -68.68    9.23  -81.99  285.37
   11.00  -68.49   24.23  -81.30  329.69
   12.00  -68.52   39.23  -78.17    1.64
   13.00  -68.78   54.23  -74.33   22.48
   14.00  -69.27   69.23  -70.66   38.43
   15.00  -69.98   84.23  -67.44   52.23
   16.00  -70.72   99.23  -64.63   64.35
   17.00  -71.06  114.23  -61.96   74.64
   18.00  -71.12  129.23  -59.61   83.94
   19.00  -70.52  144.23  -57.21   92.49
   20.00  -69.65  159.23  -55.08  101.21
   21.00  -68.82  174.23  -53.44  110.36
   22.00  -68.10  189.23  -52.42  119.80
   23.00  -67.20  204.23  -51.81  129.47
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.99  219.23  -57.29  137.71
    1.00  -73.05  234.23  -59.54  145.89
    2.00  -73.85  249.23  -61.91  153.77
    3.00  -78.70  264.23  -67.93  154.75
    4.00  -80.56  279.23  -71.24  156.37
    5.00  -80.92  294.23  -73.55  159.71
    6.00  -80.30  309.23  -75.65  165.55
    7.00  -79.47  324.23  -78.11  171.96
    8.00  -79.57  339.23  -80.94  171.66
    9.00  -79.57  354.23  -83.65  165.28
   10.00  -79.47    9.23  -85.75  143.05
   11.00  -79.43   24.23  -85.63  102.50
   12.00  -79.63   39.23  -83.23   82.96
   13.00  -79.42   54.23  -80.33   75.97
   14.00  -79.28   69.23  -77.22   76.00
   15.00  -79.06   84.23  -74.16   78.63
   16.00  -78.98   99.23  -71.38   83.23
   17.00  -78.76  114.23  -68.84   88.28
   18.00  -79.59  129.23  -67.59   95.79
   19.00  -79.66  144.23  -66.18  101.89
   20.00  -78.85  159.23  -64.30  107.39
   21.00  -77.09  174.23  -61.81  113.30
   22.00  -74.64  189.23  -59.01  120.44
   23.00  -73.05  204.23  -57.59  128.80
</PRE>


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