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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>
06 Apr 1997 01:31:59 yearsecs   8213519
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.48   48.70  -64.72  359.23
    1.00  -60.12   63.70  -61.55   16.14
    2.00  -60.77   78.70  -58.70   31.42
    3.00  -61.41   93.70  -56.13   45.87
    4.00  -60.62  108.70  -52.21   57.95
    5.00  -61.61  123.70  -50.67   71.09
    6.00  -62.82  138.70  -49.93   83.26
    7.00  -63.60  153.70  -49.33   94.45
    8.00  -63.70  168.70  -48.51  105.08
    9.00  -63.35  183.70  -47.70  115.52
   10.00  -62.93  198.70  -47.43  125.96
   11.00  -62.74  213.70  -48.03  136.47
   12.00  -62.78  228.70  -49.40  147.08
   13.00  -63.03  243.70  -51.43  157.76
   14.00  -63.52  258.70  -54.02  168.43
   15.00  -64.22  273.70  -57.15  179.01
   16.00  -65.16  288.70  -60.85  189.34
   17.00  -66.31  303.70  -65.19  199.36
   18.00  -66.31  318.70  -68.88  211.98
   19.00  -65.58  333.70  -72.03  228.61
   20.00  -63.99  348.70  -74.05  251.78
   21.00  -62.87    3.70  -75.34  280.63
   22.00  -61.27   18.70  -73.64  313.12
   23.00  -60.13   33.70  -69.58  339.75
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.38   48.70  -79.83   34.91
    1.00  -74.04   63.70  -76.13   49.58
    2.00  -74.89   78.70  -72.89   61.69
    3.00  -75.56   93.70  -70.00   71.50
    4.00  -77.17  108.70  -68.43   82.44
    5.00  -78.24  123.70  -67.09   91.11
    6.00  -78.37  138.70  -65.48   97.79
    7.00  -78.12  153.70  -63.94  104.22
    8.00  -78.17  168.70  -63.13  111.21
    9.00  -78.17  183.70  -62.67  118.25
   10.00  -77.88  198.70  -62.35  125.34
   11.00  -77.52  213.70  -62.41  132.65
   12.00  -77.21  228.70  -62.99  140.12
   13.00  -77.07  243.70  -64.18  147.58
   14.00  -76.90  258.70  -65.75  155.11
   15.00  -76.45  273.70  -67.50  163.17
   16.00  -76.35  288.70  -69.93  170.63
   17.00  -75.48  303.70  -72.25  180.20
   18.00  -75.25  318.70  -75.37  188.61
   19.00  -75.45  333.70  -78.99  195.64
   20.00  -75.05  348.70  -82.58  207.04
   21.00  -73.88    3.70  -85.91  238.33
   22.00  -73.84   18.70  -87.73  326.08
   23.00  -72.95   33.70  -83.72   12.83
</PRE>


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