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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>
16 Feb 1997 03:00:58 yearsecs   3985258
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.04   30.64  -67.62  333.80
    1.00  -59.38   45.64  -65.44  355.48
    2.00  -60.21   60.64  -62.46   13.15
    3.00  -67.47   75.64  -67.16   39.90
    4.00  -67.29   90.64  -63.24   51.99
    5.00  -68.23  105.64  -60.85   64.81
    6.00  -68.54  120.64  -58.36   75.60
    7.00  -68.75  135.64  -56.39   85.63
    8.00  -69.08  150.64  -55.17   95.46
    9.00  -69.29  165.64  -54.31  105.07
   10.00  -68.89  180.64  -53.32  114.45
   11.00  -68.46  195.64  -52.82  123.90
   12.00  -68.29  210.64  -53.18  133.43
   13.00  -68.40  225.64  -54.38  142.98
   14.00  -68.77  240.64  -56.29  152.47
   15.00  -69.40  255.64  -58.82  161.74
   16.00  -69.36  270.64  -61.12  171.62
   17.00  -69.20  285.64  -63.73  181.88
   18.00  -70.19  300.64  -67.73  190.52
   19.00  -69.49  315.64  -70.72  202.98
   20.00  -68.69  330.64  -73.88  218.21
   21.00  -66.98  345.64  -76.16  240.77
   22.00  -62.87    0.64  -74.99  274.51
   23.00  -60.17   15.64  -72.61  307.08
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.04   30.64  -73.88  336.95
    1.00  -64.38   45.64  -71.81    1.99
    2.00  -65.21   60.64  -68.69   21.06
    3.00  -72.90   75.64  -72.18   53.56
    4.00  -75.46   90.64  -70.58   69.70
    5.00  -75.61  105.64  -67.69   77.64
    6.00  -74.99  120.64  -64.61   84.17
    7.00  -73.75  135.64  -61.38   90.54
    8.00  -74.08  150.64  -60.19   99.08
    9.00  -74.29  165.64  -59.35  107.44
   10.00  -74.13  180.64  -58.62  115.64
   11.00  -74.38  195.64  -58.76  123.91
   12.00  -74.88  210.64  -59.66  131.96
   13.00  -74.76  225.64  -60.42  140.08
   14.00  -74.63  240.64  -61.64  148.30
   15.00  -74.50  255.64  -63.29  156.64
   16.00  -74.36  270.64  -65.34  165.07
   17.00  -74.20  285.64  -67.79  173.60
   18.00  -75.56  300.64  -71.67  178.42
   19.00  -75.82  315.64  -74.99  185.03
   20.00  -74.62  330.64  -77.86  197.83
   21.00  -71.98  345.64  -80.14  223.06
   22.00  -67.87    0.64  -80.07  265.34
   23.00  -65.17   15.64  -78.29  305.80
</PRE>


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