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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 Feb 1997 19:01:54 yearsecs   3783714
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.21  150.61  -51.23   93.13
    1.00  -64.48  165.61  -49.46  103.18
    2.00  -65.58  180.61  -49.99  113.77
    3.00  -66.67  195.61  -51.05  123.86
    4.00  -66.49  210.61  -51.43  133.72
    5.00  -67.38  225.61  -53.42  143.33
    6.00  -67.46  240.61  -55.10  153.21
    7.00  -67.33  255.61  -56.98  163.42
    8.00  -68.01  270.61  -59.94  173.07
    9.00  -67.73  285.61  -62.47  183.85
   10.00  -67.33  300.61  -65.35  195.39
   11.00  -67.15  315.61  -68.80  207.72
   12.00  -67.18  330.61  -72.63  221.82
   13.00  -67.43  345.61  -76.55  239.56
   14.00  -67.92    0.61  -80.11  265.13
   15.00  -68.62   15.61  -82.15  304.67
   16.00  -69.54   30.61  -81.29  348.18
   17.00  -70.43   45.61  -78.34   17.59
   18.00  -70.21   60.61  -73.92   33.24
   19.00  -69.68   75.61  -69.36   44.81
   20.00  -68.67   90.61  -64.64   54.44
   21.00  -67.69  105.61  -60.31   64.02
   22.00  -66.77  120.61  -56.55   73.63
   23.00  -65.96  135.61  -53.54   83.31
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.28  150.61  -60.38   99.23
    1.00  -75.08  165.61  -60.15  107.86
    2.00  -75.99  180.61  -60.50  116.13
    3.00  -79.56  195.61  -64.05  123.84
    4.00  -81.41  210.61  -66.22  129.64
    5.00  -81.75  225.61  -67.17  135.10
    6.00  -81.32  240.61  -67.74  141.16
    7.00  -80.97  255.61  -68.76  147.23
    8.00  -81.39  270.61  -70.70  151.48
    9.00  -81.29  285.61  -72.52  156.23
   10.00  -81.57  300.61  -74.73  158.81
   11.00  -81.46  315.61  -76.93  161.35
   12.00  -81.66  330.61  -79.20  160.02
   13.00  -81.60  345.61  -81.36  155.99
   14.00  -81.38    0.61  -83.25  145.69
   15.00  -81.00   15.61  -84.41  125.11
   16.00  -81.01   30.61  -83.56  101.86
   17.00  -80.65   45.61  -81.68   86.84
   18.00  -80.81   60.61  -79.03   83.84
   19.00  -80.39   75.61  -76.28   82.21
   20.00  -79.47   90.61  -73.19   81.96
   21.00  -77.82  105.61  -69.46   82.60
   22.00  -76.15  120.61  -65.67   86.04
   23.00  -74.86  135.61  -62.47   91.80
</PRE>


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