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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>
05 Apr 1997 01:44:07 yearsecs   8127847
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.96   45.80  -67.48  357.39
    1.00  -61.51   60.80  -64.12   15.09
    2.00  -62.07   75.80  -61.01   30.58
    3.00  -62.62   90.80  -58.15   44.92
    4.00  -62.01  105.80  -54.30   57.01
    5.00  -63.20  120.80  -52.81   70.25
    6.00  -63.74  135.80  -51.23   81.79
    7.00  -63.78  150.80  -49.75   92.49
    8.00  -63.82  165.80  -48.78  103.08
    9.00  -64.23  180.80  -48.64  113.65
   10.00  -64.57  195.80  -48.97  123.96
   11.00  -63.75  210.80  -48.81  134.28
   12.00  -63.69  225.80  -49.97  144.72
   13.00  -63.93  240.80  -51.89  155.22
   14.00  -64.43  255.80  -54.41  165.68
   15.00  -65.17  270.80  -57.48  175.99
   16.00  -66.15  285.80  -61.13  185.98
   17.00  -67.36  300.80  -65.41  195.49
   18.00  -67.39  315.80  -69.06  207.42
   19.00  -66.72  330.80  -72.29  223.02
   20.00  -65.29  345.80  -74.66  244.87
   21.00  -64.14    0.80  -76.34  273.07
   22.00  -62.75   15.80  -75.56  306.79
   23.00  -61.51   30.80  -71.98  336.02
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.43   45.80  -77.33   14.25
    1.00  -70.47   60.80  -74.11   34.24
    2.00  -71.48   75.80  -70.95   49.58
    3.00  -72.45   90.80  -68.10   62.31
    4.00  -75.14  105.80  -67.25   76.73
    5.00  -76.25  120.80  -65.73   86.30
    6.00  -75.71  135.80  -63.26   92.92
    7.00  -74.92  150.80  -61.00   99.87
    8.00  -75.55  165.80  -60.62  108.23
    9.00  -74.99  180.80  -59.48  115.95
   10.00  -75.27  195.80  -59.66  123.99
   11.00  -75.20  210.80  -59.98  131.95
   12.00  -74.95  225.80  -60.61  140.06
   13.00  -74.91  240.80  -61.91  148.16
   14.00  -75.06  255.80  -63.80  156.06
   15.00  -74.64  270.80  -65.60  164.72
   16.00  -74.54  285.80  -68.08  173.02
   17.00  -73.02  300.80  -69.95  184.78
   18.00  -72.85  315.80  -73.23  194.63
   19.00  -73.61  330.80  -77.35  202.24
   20.00  -73.05  345.80  -80.85  217.69
   21.00  -71.11    0.80  -83.11  253.43
   22.00  -70.44   15.80  -84.16  304.68
   23.00  -69.40   30.80  -81.11  348.17
</PRE>


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