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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>
30 Oct 1997 17:06:44 yearsecs  26154404
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.29  170.90  -46.98  106.22
    1.00  -62.84  185.90  -47.17  117.00
    2.00  -63.40  200.90  -47.96  127.47
    3.00  -63.95  215.90  -49.35  137.77
    4.00  -63.57  230.90  -50.38  148.35
    5.00  -64.84  245.90  -53.39  158.34
    6.00  -65.31  260.90  -55.98  168.71
    7.00  -65.30  275.90  -58.49  179.62
    8.00  -65.72  290.90  -61.80  190.32
    9.00  -65.33  305.90  -64.86  202.60
   10.00  -64.92  320.90  -68.22  216.47
   11.00  -64.73  335.90  -71.81  232.85
   12.00  -64.76  350.90  -75.25  253.86
   13.00  -65.02    5.90  -77.83  282.74
   14.00  -65.50   20.90  -78.32  318.50
   15.00  -66.21   35.90  -76.45  350.49
   16.00  -67.14   50.90  -73.54   14.30
   17.00  -68.30   65.90  -70.61   33.00
   18.00  -68.33   80.90  -66.68   46.10
   19.00  -67.64   95.90  -62.37   56.68
   20.00  -66.27  110.90  -57.81   66.06
   21.00  -65.17  125.90  -54.06   75.83
   22.00  -63.93  140.90  -50.84   85.57
   23.00  -62.75  155.90  -48.30   95.62
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.96  170.90  -59.78  110.63
    1.00  -75.96  185.90  -60.37  118.86
    2.00  -76.85  200.90  -61.34  126.52
    3.00  -77.75  215.90  -62.75  133.60
    4.00  -79.92  230.90  -65.74  138.90
    5.00  -80.82  245.90  -67.73  143.85
    6.00  -80.51  260.90  -68.96  150.03
    7.00  -80.15  275.90  -70.52  156.27
    8.00  -81.01  290.90  -73.11  158.55
    9.00  -81.03  305.90  -75.34  161.94
   10.00  -81.36  320.90  -77.74  162.12
   11.00  -81.43  335.90  -80.04  160.43
   12.00  -80.72  350.90  -82.55  158.80
   13.00  -80.35    5.90  -84.64  144.39
   14.00  -80.26   20.90  -85.07  113.99
   15.00  -79.79   35.90  -83.73   87.15
   16.00  -79.54   50.90  -81.00   77.22
   17.00  -78.23   65.90  -77.64   70.11
   18.00  -77.94   80.90  -74.27   73.38
   19.00  -78.41   95.90  -71.60   80.36
   20.00  -77.86  110.90  -68.63   84.92
   21.00  -76.22  125.90  -64.99   88.73
   22.00  -75.59  140.90  -62.59   95.37
   23.00  -74.90  155.90  -60.58  102.56
</PRE>


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