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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>
20 Jan 1997 12:02:20 yearsecs   1684940
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.30  249.32  -50.59  162.82
    1.00  -62.57  264.32  -54.06  173.31
    2.00  -63.39  279.32  -57.43  184.05
    3.00  -67.42  294.32  -64.02  190.56
    4.00  -67.27  309.32  -67.35  202.28
    5.00  -68.24  324.32  -71.91  213.22
    6.00  -68.60  339.32  -76.00  228.02
    7.00  -69.42  354.32  -80.27  247.42
    8.00  -69.58    9.32  -82.95  283.63
    9.00  -69.48   24.32  -82.38  331.88
   10.00  -68.94   39.32  -78.58    3.03
   11.00  -68.47   54.32  -73.99   21.68
   12.00  -68.28   69.32  -69.66   36.09
   13.00  -68.36   84.32  -65.86   48.94
   14.00  -68.72   99.32  -62.68   60.99
   15.00  -69.34  114.32  -60.26   72.34
   16.00  -69.95  129.32  -58.44   82.75
   17.00  -70.01  144.32  -56.69   92.15
   18.00  -70.10  159.32  -55.53  101.50
   19.00  -69.38  174.32  -54.00  110.58
   20.00  -68.58  189.32  -52.90  119.90
   21.00  -67.84  204.32  -52.44  129.46
   22.00  -65.39  219.32  -51.00  139.77
   23.00  -63.09  234.32  -50.32  150.97
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.30  249.32  -55.17  159.84
    1.00  -67.57  264.32  -58.52  169.18
    2.00  -68.39  279.32  -61.83  178.62
    3.00  -75.17  294.32  -70.15  176.20
    4.00  -77.39  309.32  -74.48  176.70
    5.00  -78.10  324.32  -77.81  178.84
    6.00  -77.36  339.32  -80.89  186.55
    7.00  -76.22  354.32  -84.31  199.38
    8.00  -76.41    9.32  -88.09  190.77
    9.00  -76.50   24.32  -87.69   57.85
   10.00  -76.29   39.32  -83.75   50.54
   11.00  -76.44   54.32  -79.85   56.67
   12.00  -76.81   69.32  -76.29   64.45
   13.00  -76.64   84.32  -72.77   70.17
   14.00  -76.47   99.32  -69.56   76.53
   15.00  -76.29  114.32  -66.76   83.25
   16.00  -76.11  129.32  -64.43   90.23
   17.00  -75.81  144.32  -62.47   97.35
   18.00  -77.04  159.32  -62.49  105.95
   19.00  -77.31  174.32  -62.02  113.44
   20.00  -76.28  189.32  -60.68  120.66
   21.00  -73.98  204.32  -58.53  128.71
   22.00  -70.39  219.32  -55.76  138.31
   23.00  -68.09  234.32  -54.95  148.73
</PRE>


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