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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 13:21:21 yearsecs   8342481
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.25  234.50  -51.43  150.62
    1.00  -63.94  249.50  -53.06  161.45
    2.00  -64.86  264.50  -56.15  171.68
    3.00  -65.76  279.50  -59.57  181.78
    4.00  -65.55  294.50  -62.43  193.28
    5.00  -66.61  309.50  -66.84  203.54
    6.00  -66.81  324.50  -70.77  216.45
    7.00  -66.66  339.50  -74.41  233.25
    8.00  -67.18  354.50  -78.28  254.74
    9.00  -66.90    9.50  -80.12  288.97
   10.00  -66.49   24.50  -79.00  327.71
   11.00  -66.30   39.50  -75.66  356.64
   12.00  -66.33   54.50  -71.65   16.68
   13.00  -66.59   69.50  -67.84   32.55
   14.00  -67.07   84.50  -64.50   46.63
   15.00  -67.78   99.50  -61.71   59.64
   16.00  -68.71  114.50  -59.60   71.66
   17.00  -69.73  129.50  -58.19   82.64
   18.00  -69.58  144.50  -56.25   91.94
   19.00  -69.00  159.50  -54.40  101.05
   20.00  -67.87  174.50  -52.48  110.26
   21.00  -66.83  189.50  -51.15  119.87
   22.00  -65.81  204.50  -50.46  129.77
   23.00  -64.87  219.50  -50.51  140.03
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.90  234.50  -56.65  147.91
    1.00  -71.00  249.50  -59.41  156.49
    2.00  -72.01  264.50  -62.41  164.67
    3.00  -75.22  279.50  -67.49  168.38
    4.00  -77.75  294.50  -71.88  169.63
    5.00  -78.32  309.50  -74.95  173.42
    6.00  -77.56  324.50  -77.68  181.48
    7.00  -77.19  339.50  -80.90  187.73
    8.00  -77.69  354.50  -84.33  183.42
    9.00  -77.45    9.50  -87.56  164.42
   10.00  -77.72   24.50  -87.03   83.11
   11.00  -77.49   39.50  -83.76   62.74
   12.00  -77.44   54.50  -80.09   63.08
   13.00  -77.23   69.50  -76.44   66.40
   14.00  -77.31   84.50  -73.15   72.48
   15.00  -76.96   99.50  -69.91   77.86
   16.00  -77.08  114.50  -67.41   84.86
   17.00  -76.29  129.50  -64.57   90.58
   18.00  -76.43  144.50  -63.05   98.11
   19.00  -76.42  159.50  -61.86  105.57
   20.00  -75.45  174.50  -60.13  112.76
   21.00  -73.33  189.50  -57.67  120.46
   22.00  -71.72  204.50  -56.28  129.13
   23.00  -70.38  219.50  -55.77  138.43
</PRE>


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