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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>
30 Jan 1997 04:50:25 yearsecs   2523025
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.32    1.51  -73.48  277.96
    1.00  -62.47   16.51  -75.20  308.40
    2.00  -63.24   31.51  -73.94  338.69
    3.00  -63.80   46.51  -70.88    2.19
    4.00  -63.38   61.51  -66.27   18.69
    5.00  -64.63   76.51  -63.85   35.33
    6.00  -65.14   91.51  -60.79   49.21
    7.00  -65.18  106.51  -57.54   61.37
    8.00  -65.66  121.51  -55.27   73.15
    9.00  -65.20  136.51  -52.65   83.36
   10.00  -64.79  151.51  -50.72   93.52
   11.00  -64.60  166.51  -49.53  103.85
   12.00  -64.63  181.51  -49.03  114.21
   13.00  -64.89  196.51  -49.30  124.45
   14.00  -65.38  211.51  -50.41  134.51
   15.00  -66.08  226.51  -52.29  144.40
   16.00  -67.02  241.51  -54.80  154.07
   17.00  -66.56  256.51  -56.43  164.64
   18.00  -66.40  271.51  -58.69  175.34
   19.00  -67.12  286.51  -62.12  185.30
   20.00  -66.13  301.51  -64.52  197.91
   21.00  -63.78  316.51  -66.08  214.17
   22.00  -62.80  331.51  -68.95  231.02
   23.00  -61.53  346.51  -71.19  252.34
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.32    1.51  -78.66  270.84
    1.00  -67.47   16.51  -80.84  307.57
    2.00  -68.51   31.51  -80.00  347.16
    3.00  -69.56   46.51  -77.26   15.62
    4.00  -72.72   61.51  -75.79   42.75
    5.00  -73.88   76.51  -72.71   57.17
    6.00  -72.94   91.51  -68.36   63.88
    7.00  -72.33  106.51  -64.62   71.86
    8.00  -73.79  121.51  -63.35   82.83
    9.00  -73.69  136.51  -61.22   90.95
   10.00  -73.90  151.51  -59.94   99.42
   11.00  -73.82  166.51  -58.84  107.69
   12.00  -73.53  181.51  -57.98  115.98
   13.00  -73.49  196.51  -57.87  124.41
   14.00  -73.75  211.51  -58.57  132.74
   15.00  -73.34  226.51  -59.13  141.32
   16.00  -73.27  241.51  -60.49  149.90
   17.00  -71.56  256.51  -60.84  160.30
   18.00  -71.40  271.51  -63.02  169.71
   19.00  -72.12  286.51  -66.32  177.90
   20.00  -71.28  301.51  -68.78  188.99
   21.00  -68.78  316.51  -70.37  205.23
   22.00  -67.80  331.51  -73.38  221.34
   23.00  -66.53  346.51  -75.95  243.17
</PRE>


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