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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>
17 Aug 1997 22:00:40 yearsecs  19778440
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.37   99.63  -58.14   54.82
    1.00  -63.98  114.63  -54.71   66.29
    2.00  -64.94  129.63  -53.27   78.31
    3.00  -65.89  144.63  -52.48   89.45
    4.00  -65.71  159.63  -51.06   99.56
    5.00  -66.77  174.63  -51.36  110.04
    6.00  -66.99  189.63  -51.31  119.97
    7.00  -66.98  204.63  -51.61  129.75
    8.00  -67.32  219.63  -52.85  139.45
    9.00  -66.74  234.63  -53.75  149.59
   10.00  -66.40  249.63  -55.30  160.00
   11.00  -66.24  264.63  -57.40  170.60
   12.00  -66.30  279.63  -60.07  181.30
   13.00  -66.58  294.63  -63.36  192.00
   14.00  -67.08  309.63  -67.27  202.87
   15.00  -67.80  324.63  -71.63  214.49
   16.00  -68.74  339.63  -76.20  227.98
   17.00  -69.76  354.63  -80.63  246.69
   18.00  -69.60    9.63  -82.99  284.59
   19.00  -69.03   24.63  -81.84  331.79
   20.00  -67.94   39.63  -77.45    0.66
   21.00  -66.93   54.63  -72.27   18.15
   22.00  -65.91   69.63  -67.06   31.32
   23.00  -65.00   84.63  -62.26   43.14
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.57   99.63  -67.13   70.13
    1.00  -74.55  114.63  -65.17   80.29
    2.00  -75.46  129.63  -63.78   89.48
    3.00  -78.30  144.63  -64.85  100.32
    4.00  -80.37  159.63  -65.78  108.97
    5.00  -80.85  174.63  -65.63  115.37
    6.00  -80.35  189.63  -64.85  121.33
    7.00  -79.89  204.63  -64.52  127.72
    8.00  -80.45  219.63  -65.60  133.78
    9.00  -80.27  234.63  -66.33  140.09
   10.00  -80.38  249.63  -67.69  145.95
   11.00  -80.11  264.63  -69.08  152.21
   12.00  -80.03  279.63  -70.95  157.88
   13.00  -79.78  294.63  -73.05  163.60
   14.00  -79.76  309.63  -75.55  167.84
   15.00  -79.42  324.63  -78.18  172.28
   16.00  -79.48  339.63  -81.02  172.22
   17.00  -78.84  354.63  -84.04  171.63
   18.00  -78.93    9.63  -86.30  145.83
   19.00  -78.82   24.63  -86.14   96.52
   20.00  -78.00   39.63  -83.66   67.84
   21.00  -76.27   54.63  -79.71   55.78
   22.00  -74.95   69.63  -75.18   56.87
   23.00  -73.90   84.63  -70.74   62.11
</PRE>


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