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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 Apr 1997 12:15:16 yearsecs   8079316
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.70  249.48  -51.91  162.16
    1.00  -63.21  264.48  -54.67  172.95
    2.00  -63.76  279.48  -57.79  183.82
    3.00  -64.30  294.48  -61.31  194.84
    4.00  -64.01  309.48  -64.54  207.54
    5.00  -65.32  324.48  -69.48  219.26
    6.00  -65.68  339.48  -73.53  235.41
    7.00  -65.71  354.48  -76.87  258.13
    8.00  -66.26    9.48  -79.42  289.70
    9.00  -65.63   24.48  -78.02  326.85
   10.00  -65.22   39.48  -74.42  354.57
   11.00  -65.03   54.48  -70.16   14.00
   12.00  -65.06   69.48  -66.15   29.55
   13.00  -65.32   84.48  -62.65   43.54
   14.00  -65.80   99.48  -59.69   56.68
   15.00  -66.51  114.48  -57.38   68.97
   16.00  -67.44  129.48  -55.88   80.40
   17.00  -68.60  144.48  -55.25   91.19
   18.00  -68.63  159.48  -54.03  100.84
   19.00  -67.93  174.48  -52.54  110.26
   20.00  -66.61  189.48  -50.93  119.83
   21.00  -65.51  204.48  -50.17  129.78
   22.00  -64.33  219.48  -50.00  140.15
   23.00  -63.14  234.48  -50.39  151.07
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.30  249.48  -57.88  157.83
    1.00  -70.52  264.48  -61.12  166.33
    2.00  -71.55  279.48  -64.53  174.46
    3.00  -72.68  294.48  -68.35  181.71
    4.00  -75.68  309.48  -73.58  182.48
    5.00  -76.39  324.48  -77.24  186.80
    6.00  -76.06  339.48  -80.61  194.99
    7.00  -75.43  354.48  -84.19  207.73
    8.00  -76.65    9.48  -88.04  183.13
    9.00  -76.39   24.48  -87.68   54.77
   10.00  -76.56   39.48  -83.74   53.25
   11.00  -76.45   54.48  -79.81   56.80
   12.00  -76.10   69.48  -75.89   61.47
   13.00  -75.97   84.48  -72.30   68.12
   14.00  -76.20   99.48  -69.33   75.96
   15.00  -75.80  114.48  -66.31   82.41
   16.00  -75.67  129.48  -63.99   89.68
   17.00  -74.00  144.48  -60.67   95.64
   18.00  -73.71  159.48  -59.14  103.70
   19.00  -74.45  174.48  -59.12  112.36
   20.00  -73.73  189.48  -58.08  120.48
   21.00  -71.45  204.48  -56.00  129.15
   22.00  -70.50  219.48  -55.87  138.37
   23.00  -69.53  234.48  -56.30  148.09
</PRE>


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