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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
04 Apr 1997 12:15:40 yearsecs   8079340
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.70  249.38  -51.90  162.09
    1.00  -63.21  264.38  -54.65  172.88
    2.00  -63.76  279.38  -57.77  183.75
    3.00  -64.30  294.38  -61.29  194.77
    4.00  -64.01  309.38  -64.52  207.46
    5.00  -65.32  324.38  -69.46  219.17
    6.00  -65.68  339.38  -73.51  235.29
    7.00  -65.71  354.38  -76.85  257.96
    8.00  -66.26    9.38  -79.42  289.47
    9.00  -65.63   24.38  -78.04  326.64
   10.00  -65.22   39.38  -74.44  354.43
   11.00  -65.03   54.38  -70.18   13.89
   12.00  -65.06   69.38  -66.17   29.46
   13.00  -65.32   84.38  -62.67   43.46
   14.00  -65.80   99.38  -59.71   56.61
   15.00  -66.51  114.38  -57.39   68.91
   16.00  -67.44  129.38  -55.89   80.34
   17.00  -68.60  144.38  -55.26   91.13
   18.00  -68.63  159.38  -54.04  100.78
   19.00  -67.93  174.38  -52.55  110.20
   20.00  -66.61  189.38  -50.93  119.77
   21.00  -65.51  204.38  -50.16  129.72
   22.00  -64.33  219.38  -49.99  140.08
   23.00  -63.14  234.38  -50.38  151.00
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.31  249.38  -57.88  157.76
    1.00  -70.54  264.38  -61.12  166.26
    2.00  -71.56  279.38  -64.52  174.38
    3.00  -72.69  294.38  -68.34  181.62
    4.00  -75.69  309.38  -73.57  182.39
    5.00  -76.41  324.38  -77.22  186.68
    6.00  -76.08  339.38  -80.60  194.85
    7.00  -75.44  354.38  -84.17  207.53
    8.00  -76.66    9.38  -88.01  183.11
    9.00  -76.40   24.38  -87.70   55.15
   10.00  -76.57   39.38  -83.77   53.32
   11.00  -76.45   54.38  -79.84   56.81
   12.00  -76.11   69.38  -75.92   61.45
   13.00  -75.98   84.38  -72.32   68.10
   14.00  -76.21   99.38  -69.35   75.92
   15.00  -75.80  114.38  -66.33   82.37
   16.00  -75.67  129.38  -64.01   89.64
   17.00  -74.00  144.38  -60.68   95.59
   18.00  -73.71  159.38  -59.15  103.65
   19.00  -74.45  174.38  -59.13  112.31
   20.00  -73.74  189.38  -58.09  120.43
   21.00  -71.46  204.38  -56.01  129.10
   22.00  -70.51  219.38  -55.88  138.31
   23.00  -69.54  234.38  -56.30  148.03
</PRE>


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