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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
29 Aug 1997 12:50:52 yearsecs  20782252
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.53  241.59  -50.69  156.47
    1.00  -63.07  256.59  -53.29  167.17
    2.00  -63.62  271.59  -56.23  177.97
    3.00  -64.16  286.59  -59.53  188.86
    4.00  -63.83  301.59  -62.49  201.15
    5.00  -65.13  316.59  -67.31  212.10
    6.00  -65.53  331.59  -71.46  226.32
    7.00  -65.45  346.59  -74.98  245.71
    8.00  -66.15    1.59  -78.50  271.33
    9.00  -65.51   16.59  -78.64  308.05
   10.00  -65.10   31.59  -76.13  340.92
   11.00  -64.91   46.59  -72.18    4.15
   12.00  -64.94   61.59  -68.11   21.52
   13.00  -65.20   76.59  -64.47   36.38
   14.00  -65.68   91.59  -61.35   50.12
   15.00  -66.39  106.59  -58.79   62.98
   16.00  -67.32  121.59  -56.96   74.90
   17.00  -68.48  136.59  -56.00   86.01
   18.00  -68.51  151.59  -54.51   95.70
   19.00  -67.69  166.59  -52.65  105.04
   20.00  -66.47  181.59  -50.87  114.59
   21.00  -65.37  196.59  -49.77  124.50
   22.00  -64.17  211.59  -49.26  134.76
   23.00  -62.98  226.59  -49.38  145.51
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.66  241.59  -58.12  151.86
    1.00  -71.92  256.59  -61.17  159.98
    2.00  -73.00  271.59  -64.37  167.60
    3.00  -74.12  286.59  -67.90  174.28
    4.00  -76.94  301.59  -72.71  174.97
    5.00  -78.02  316.59  -76.21  176.92
    6.00  -77.43  331.59  -79.18  184.27
    7.00  -76.78  346.59  -82.49  192.36
    8.00  -77.77    1.59  -85.84  177.02
    9.00  -77.46   16.59  -88.20  120.97
   10.00  -77.49   31.59  -85.65   66.96
   11.00  -77.29   46.59  -82.01   60.71
   12.00  -76.88   61.59  -78.19   61.87
   13.00  -76.68   76.59  -74.53   66.94
   14.00  -76.79   91.59  -71.34   73.88
   15.00  -76.32  106.59  -68.10   79.62
   16.00  -76.11  121.59  -65.49   86.44
   17.00  -74.42  136.59  -61.93   91.81
   18.00  -74.13  151.59  -60.15   99.64
   19.00  -74.50  166.59  -59.51  108.07
   20.00  -74.23  181.59  -58.69  116.19
   21.00  -72.19  196.59  -56.56  124.47
   22.00  -71.47  211.59  -56.33  133.36
   23.00  -70.69  226.59  -56.62  142.63
</PRE>


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