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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>
22 Mar 1997 14:55:18 yearsecs   6965718
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.35  211.90  -47.52  135.27
    1.00  -62.90  226.90  -49.34  145.76
    2.00  -63.46  241.90  -51.59  156.24
    3.00  -64.01  256.90  -54.19  166.77
    4.00  -63.64  271.90  -56.30  178.19
    5.00  -64.92  286.90  -60.27  188.25
    6.00  -65.37  301.90  -63.94  199.32
    7.00  -65.34  316.90  -67.57  212.05
    8.00  -66.02  331.90  -71.97  225.70
    9.00  -65.42  346.90  -75.02  246.24
   10.00  -64.97    1.90  -77.33  274.09
   11.00  -64.78   16.90  -77.80  308.92
   12.00  -64.81   31.90  -75.73  341.13
   13.00  -65.07   46.90  -72.28    4.86
   14.00  -65.55   61.90  -68.73   23.02
   15.00  -66.26   76.90  -65.55   38.61
   16.00  -67.19   91.90  -62.84   52.83
   17.00  -68.33  106.90  -60.70   65.87
   18.00  -68.14  121.90  -57.74   76.00
   19.00  -67.68  136.90  -55.15   85.56
   20.00  -66.32  151.90  -52.26   94.63
   21.00  -65.22  166.90  -50.14  104.34
   22.00  -64.00  181.90  -48.38  114.37
   23.00  -62.81  196.90  -47.25  124.71
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.30  211.90  -54.23  134.03
    1.00  -70.48  226.90  -56.45  142.92
    2.00  -71.50  241.90  -58.93  151.46
    3.00  -72.56  256.90  -61.78  159.50
    4.00  -75.47  271.90  -66.45  163.97
    5.00  -76.56  286.90  -69.76  169.28
    6.00  -75.84  301.90  -72.11  178.29
    7.00  -74.99  316.90  -74.82  188.58
    8.00  -75.58  331.90  -78.61  194.07
    9.00  -75.67  346.90  -82.32  201.22
   10.00  -75.82    1.90  -86.21  207.02
   11.00  -75.71   16.90  -89.77   13.29
   12.00  -75.38   31.90  -85.58   36.18
   13.00  -75.29   46.90  -81.39   45.54
   14.00  -75.51   61.90  -77.48   55.07
   15.00  -75.10   76.90  -73.47   61.40
   16.00  -74.98   91.90  -69.94   69.09
   17.00  -73.33  106.90  -65.46   73.86
   18.00  -73.14  121.90  -62.67   82.12
   19.00  -73.99  136.90  -61.47   91.50
   20.00  -73.41  151.90  -59.41   99.25
   21.00  -71.26  166.90  -56.24  106.70
   22.00  -70.42  181.90  -54.83  115.54
   23.00  -69.43  196.90  -53.81  124.70
</PRE>


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