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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>
20 Jan 1997 12:02:40 yearsecs   1684960
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.31  249.23  -50.59  162.74
    1.00  -62.59  264.23  -54.06  173.23
    2.00  -63.41  279.23  -57.43  183.97
    3.00  -67.42  294.23  -64.00  190.49
    4.00  -67.26  309.23  -67.33  202.21
    5.00  -68.23  324.23  -71.88  213.15
    6.00  -68.58  339.23  -75.97  227.95
    7.00  -69.40  354.23  -80.23  247.32
    8.00  -69.58    9.23  -82.94  283.37
    9.00  -69.48   24.23  -82.39  331.62
   10.00  -68.94   39.23  -78.60    2.88
   11.00  -68.47   54.23  -74.01   21.58
   12.00  -68.28   69.23  -69.68   36.01
   13.00  -68.36   84.23  -65.88   48.87
   14.00  -68.72   99.23  -62.71   60.93
   15.00  -69.34  114.23  -60.28   72.29
   16.00  -69.95  129.23  -58.45   82.69
   17.00  -70.01  144.23  -56.71   92.10
   18.00  -70.11  159.23  -55.54  101.45
   19.00  -69.38  174.23  -54.01  110.52
   20.00  -68.59  189.23  -52.90  119.85
   21.00  -67.84  204.23  -52.44  129.40
   22.00  -65.40  219.23  -51.00  139.70
   23.00  -63.10  234.23  -50.32  150.91
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.31  249.23  -55.17  159.77
    1.00  -67.59  264.23  -58.52  169.11
    2.00  -68.41  279.23  -61.83  178.54
    3.00  -75.18  294.23  -70.14  176.12
    4.00  -77.40  309.23  -74.47  176.62
    5.00  -78.11  324.23  -77.80  178.76
    6.00  -77.37  339.23  -80.87  186.47
    7.00  -76.23  354.23  -84.29  199.26
    8.00  -76.42    9.23  -88.07  190.73
    9.00  -76.51   24.23  -87.71   58.18
   10.00  -76.30   39.23  -83.77   50.58
   11.00  -76.44   54.23  -79.88   56.67
   12.00  -76.81   69.23  -76.31   64.43
   13.00  -76.64   84.23  -72.79   70.15
   14.00  -76.47   99.23  -69.58   76.49
   15.00  -76.29  114.23  -66.78   83.21
   16.00  -76.11  129.23  -64.44   90.19
   17.00  -75.82  144.23  -62.48   97.31
   18.00  -77.04  159.23  -62.50  105.90
   19.00  -77.31  174.23  -62.03  113.40
   20.00  -76.29  189.23  -60.68  120.62
   21.00  -73.99  204.23  -58.53  128.66
   22.00  -70.40  219.23  -55.76  138.25
   23.00  -68.10  234.23  -54.95  148.67
</PRE>


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