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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>
09 Aug 1997 20:13:52 yearsecs  19080832
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.54  125.80  -51.33   73.48
    1.00  -63.81  140.80  -50.73   85.42
    2.00  -64.66  155.80  -50.26   96.43
    3.00  -68.16  170.80  -52.92  107.95
    4.00  -67.76  185.80  -52.10  117.56
    5.00  -68.37  200.80  -52.84  127.18
    6.00  -68.25  215.80  -53.46  136.73
    7.00  -68.67  230.80  -55.13  146.18
    8.00  -69.54  245.80  -57.63  155.28
    9.00  -70.12  260.80  -60.21  164.41
   10.00  -70.04  275.80  -62.60  174.19
   11.00  -69.68  290.80  -65.18  184.67
   12.00  -69.58  305.80  -68.42  195.33
   13.00  -69.73  320.80  -72.20  206.61
   14.00  -70.12  335.80  -76.31  219.40
   15.00  -70.75  350.80  -80.55  235.92
   16.00  -71.30    5.80  -84.23  266.12
   17.00  -71.10   20.80  -84.59  324.40
   18.00  -71.57   35.80  -82.03    7.80
   19.00  -70.90   50.80  -77.31   25.67
   20.00  -70.07   65.80  -72.36   37.56
   21.00  -69.27   80.80  -67.63   48.03
   22.00  -66.33   95.80  -61.06   54.55
   23.00  -64.18  110.80  -55.65   63.52
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.54  125.80  -56.51   78.01
    1.00  -68.81  140.80  -55.85   89.00
    2.00  -69.66  155.80  -55.33   99.06
    3.00  -76.09  170.80  -60.92  111.11
    4.00  -78.27  185.80  -62.75  119.26
    5.00  -78.68  200.80  -63.21  126.24
    6.00  -77.78  215.80  -62.77  133.55
    7.00  -76.40  230.80  -62.38  141.75
    8.00  -76.43  245.80  -63.83  149.30
    9.00  -76.67  260.80  -65.83  156.48
   10.00  -76.52  275.80  -67.88  164.06
   11.00  -76.74  290.80  -70.57  170.67
   12.00  -77.07  305.80  -73.61  176.37
   13.00  -76.87  320.80  -76.63  183.23
   14.00  -76.68  335.80  -79.93  189.84
   15.00  -76.49  350.80  -83.47  195.78
   16.00  -76.30    5.80  -87.23  198.05
   17.00  -76.10   20.80  -88.69   51.71
   18.00  -77.40   35.80  -84.67   62.94
   19.00  -77.75   50.80  -81.03   64.56
   20.00  -76.84   65.80  -77.15   63.22
   21.00  -74.70   80.80  -72.26   62.24
   22.00  -71.33   95.80  -65.97   63.22
   23.00  -69.18  110.80  -60.76   69.76
</PRE>


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