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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>
19 Jan 1997 18:57:37 yearsecs   1623457
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.30  151.98  -46.06   91.64
    1.00  -60.97  166.98  -45.81  102.99
    2.00  -61.63  181.98  -46.01  114.04
    3.00  -62.30  196.98  -46.76  124.76
    4.00  -61.43  211.98  -46.64  135.47
    5.00  -62.49  226.98  -48.96  145.95
    6.00  -63.48  241.98  -51.62  156.29
    7.00  -64.01  256.98  -54.21  166.83
    8.00  -64.54  271.98  -57.12  177.45
    9.00  -63.90  286.98  -59.38  189.45
   10.00  -63.50  301.98  -62.29  201.90
   11.00  -63.29  316.98  -65.76  215.32
   12.00  -63.33  331.98  -69.56  230.71
   13.00  -63.59  346.98  -73.30  249.85
   14.00  -64.07    1.98  -76.41  275.60
   15.00  -64.78   16.98  -77.79  309.11
   16.00  -65.71   31.98  -76.75  342.53
   17.00  -66.86   46.98  -74.31    8.69
   18.00  -66.84   61.98  -70.14   25.80
   19.00  -66.20   76.98  -65.47   38.57
   20.00  -64.66   91.98  -60.15   48.87
   21.00  -63.55  106.98  -55.72   59.76
   22.00  -62.04  121.98  -51.40   70.12
   23.00  -60.88  136.98  -48.10   80.73
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.03  151.98  -57.02   97.58
    1.00  -71.72  166.98  -56.70  106.96
    2.00  -72.62  181.98  -57.05  116.05
    3.00  -73.36  196.98  -57.74  124.67
    4.00  -75.42  211.98  -60.24  132.52
    5.00  -76.53  226.98  -62.22  139.73
    6.00  -76.43  241.98  -63.42  147.39
    7.00  -75.81  256.98  -64.60  155.74
    8.00  -76.41  271.98  -67.21  162.40
    9.00  -76.37  286.98  -69.64  169.75
   10.00  -76.16  301.98  -72.32  177.43
   11.00  -75.82  316.98  -75.29  185.67
   12.00  -75.54  331.98  -78.62  194.28
   13.00  -75.49  346.98  -82.29  202.64
   14.00  -75.40    1.98  -86.15  213.72
   15.00  -74.93   16.98  -89.03  320.28
   16.00  -74.83   31.98  -85.35   28.89
   17.00  -73.66   46.98  -80.50   34.95
   18.00  -73.50   61.98  -76.23   46.19
   19.00  -73.99   76.98  -72.67   57.80
   20.00  -73.49   91.98  -68.71   65.44
   21.00  -71.95  106.98  -64.18   71.50
   22.00  -71.74  121.98  -61.30   80.30
   23.00  -70.68  136.98  -58.17   88.20
</PRE>


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