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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>
13 Apr 1997 15:29:24 yearsecs   8868564
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.31  203.70  -47.98  129.42
    1.00  -64.38  218.70  -49.98  139.61
    2.00  -65.39  233.70  -52.39  149.57
    3.00  -66.70  248.70  -55.44  159.16
    4.00  -66.50  263.70  -57.48  169.72
    5.00  -67.39  278.70  -60.85  179.39
    6.00  -67.47  293.70  -63.93  190.04
    7.00  -67.34  308.70  -67.27  201.66
    8.00  -68.03  323.70  -71.58  213.11
    9.00  -67.76  338.70  -75.15  229.57
   10.00  -67.36  353.70  -78.29  252.80
   11.00  -67.17    8.70  -80.35  286.50
   12.00  -67.21   23.70  -79.93  326.56
   13.00  -67.47   38.70  -77.17  357.94
   14.00  -67.95   53.70  -73.62   19.61
   15.00  -68.66   68.70  -70.20   36.44
   16.00  -69.57   83.70  -67.19   50.94
   17.00  -70.45   98.70  -64.49   63.51
   18.00  -70.23  113.70  -61.25   73.13
   19.00  -69.70  128.70  -58.27   82.10
   20.00  -68.70  143.70  -55.43   90.77
   21.00  -67.71  158.70  -53.16   99.88
   22.00  -65.88  173.70  -50.50  109.18
   23.00  -64.11  188.70  -48.44  119.09
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.31  203.70  -52.88  129.02
    1.00  -69.38  218.70  -54.75  138.25
    2.00  -70.39  233.70  -57.01  147.15
    3.00  -75.21  248.70  -63.06  152.10
    4.00  -77.66  263.70  -67.03  156.31
    5.00  -77.95  278.70  -69.40  162.45
    6.00  -77.10  293.70  -71.33  171.07
    7.00  -76.31  308.70  -73.78  180.10
    8.00  -76.66  323.70  -77.18  185.31
    9.00  -76.27  338.70  -80.49  193.41
   10.00  -76.64  353.70  -84.20  194.75
   11.00  -76.43    8.70  -87.94  191.47
   12.00  -76.66   23.70  -87.79   63.42
   13.00  -76.45   38.70  -83.94   51.98
   14.00  -76.49   53.70  -80.03   56.80
   15.00  -76.22   68.70  -76.14   61.63
   16.00  -76.52   83.70  -72.83   69.52
   17.00  -76.25   98.70  -69.52   75.71
   18.00  -76.74  113.70  -67.25   83.82
   19.00  -76.36  128.70  -64.74   90.29
   20.00  -75.27  143.70  -61.99   96.47
   21.00  -73.15  158.70  -58.64  102.91
   22.00  -70.88  173.70  -55.54  110.67
   23.00  -69.11  188.70  -53.43  119.57
</PRE>


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