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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>
07 Apr 1997 13:20:07 yearsecs   8342407
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.25  234.78  -51.46  150.81
    1.00  -63.94  249.78  -53.09  161.65
    2.00  -64.86  264.78  -56.19  171.88
    3.00  -65.76  279.78  -59.62  181.99
    4.00  -65.55  294.78  -62.49  193.49
    5.00  -66.61  309.78  -66.91  203.77
    6.00  -66.81  324.78  -70.84  216.72
    7.00  -66.66  339.78  -74.48  233.60
    8.00  -67.18  354.78  -78.33  255.25
    9.00  -66.90    9.78  -80.13  289.68
   10.00  -66.49   24.78  -78.96  328.36
   11.00  -66.30   39.78  -75.59  357.07
   12.00  -66.33   54.78  -71.57   16.99
   13.00  -66.59   69.78  -67.77   32.81
   14.00  -67.07   84.78  -64.44   46.86
   15.00  -67.78   99.78  -61.65   59.85
   16.00  -68.71  114.78  -59.55   71.85
   17.00  -69.73  129.78  -58.15   82.81
   18.00  -69.58  144.78  -56.22   92.11
   19.00  -69.00  159.78  -54.38  101.22
   20.00  -67.87  174.78  -52.47  110.44
   21.00  -66.83  189.78  -51.15  120.05
   22.00  -65.81  204.78  -50.47  129.95
   23.00  -64.87  219.78  -50.54  140.22
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.88  234.78  -56.66  148.09
    1.00  -70.98  249.78  -59.42  156.69
    2.00  -71.98  264.78  -62.43  164.87
    3.00  -75.19  279.78  -67.51  168.57
    4.00  -77.72  294.78  -71.92  169.81
    5.00  -78.29  309.78  -74.99  173.62
    6.00  -77.52  324.78  -77.73  181.73
    7.00  -77.16  339.78  -80.96  188.01
    8.00  -77.66  354.78  -84.39  183.65
    9.00  -77.42    9.78  -87.62  163.85
   10.00  -77.69   24.78  -87.00   81.93
   11.00  -77.47   39.78  -83.69   62.47
   12.00  -77.43   54.78  -80.02   63.02
   13.00  -77.21   69.78  -76.37   66.42
   14.00  -77.29   84.78  -73.08   72.54
   15.00  -76.95   99.78  -69.85   77.95
   16.00  -77.07  114.78  -67.36   84.96
   17.00  -76.28  129.78  -64.53   90.70
   18.00  -76.42  144.78  -63.02   98.23
   19.00  -76.41  159.78  -61.83  105.70
   20.00  -75.44  174.78  -60.11  112.90
   21.00  -73.31  189.78  -57.66  120.61
   22.00  -71.70  204.78  -56.27  129.30
   23.00  -70.36  219.78  -55.77  138.60
</PRE>


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