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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>
07 Mar 1997 12:52:34 yearsecs   5662354
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.26  240.52  -46.48  157.58
    1.00  -58.78  255.52  -49.14  168.96
    2.00  -59.30  270.52  -52.11  180.52
    3.00  -59.82  285.52  -55.37  192.30
    4.00  -59.54  300.52  -58.28  205.22
    5.00  -60.43  315.52  -62.72  217.76
    6.00  -61.98  330.52  -67.94  231.14
    7.00  -63.14  345.52  -72.55  248.45
    8.00  -63.11    0.52  -75.23  273.98
    9.00  -62.57   15.52  -75.37  306.24
   10.00  -62.16   30.52  -72.84  336.02
   11.00  -61.97   45.52  -68.86  358.28
   12.00  -62.01   60.52  -64.83   15.52
   13.00  -62.26   75.52  -61.31   30.61
   14.00  -62.75   90.52  -58.36   44.86
   15.00  -63.45  105.52  -55.92   58.47
   16.00  -64.39  120.52  -54.11   71.17
   17.00  -65.54  135.52  -53.12   82.93
   18.00  -65.65  150.52  -51.69   93.31
   19.00  -64.63  165.52  -49.61  103.17
   20.00  -63.00  180.52  -47.40  113.24
   21.00  -61.84  195.52  -46.26  123.72
   22.00  -60.14  210.52  -45.28  134.60
   23.00  -59.02  225.52  -45.48  145.93
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.23  240.52  -59.43  150.11
    1.00  -73.00  255.52  -61.97  158.23
    2.00  -73.87  270.52  -64.93  165.73
    3.00  -74.46  285.52  -67.96  173.04
    4.00  -75.72  300.52  -71.75  177.95
    5.00  -76.89  315.52  -75.51  181.04
    6.00  -77.00  330.52  -78.82  186.20
    7.00  -76.31  345.52  -82.15  195.70
    8.00  -76.51    0.52  -85.88  196.22
    9.00  -76.66   15.52  -89.05  133.62
   10.00  -76.29   30.52  -86.10   49.24
   11.00  -75.94   45.52  -82.00   49.66
   12.00  -75.68   60.52  -77.93   55.21
   13.00  -75.53   75.52  -74.09   62.19
   14.00  -75.44   90.52  -70.59   69.59
   15.00  -75.11  105.52  -67.28   76.53
   16.00  -75.21  120.52  -64.82   84.45
   17.00  -74.80  135.52  -62.41   91.67
   18.00  -74.50  150.52  -60.61   99.37
   19.00  -74.23  165.52  -59.30  107.35
   20.00  -73.85  180.52  -58.33  115.51
   21.00  -72.83  195.52  -57.19  123.85
   22.00  -72.84  210.52  -57.63  132.42
   23.00  -71.93  225.52  -57.71  141.43
</PRE>


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