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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>
26 Jul 1997 11:18:00 yearsecs  17839080
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.31  264.65  -52.04  175.16
    1.00  -61.52  279.65  -55.80  186.04
    2.00  -62.26  294.65  -59.50  197.35
    3.00  -67.89  309.65  -67.96  201.44
    4.00  -67.44  324.65  -71.34  215.28
    5.00  -68.02  339.65  -75.61  230.02
    6.00  -67.88  354.65  -78.96  253.09
    7.00  -68.08    9.65  -81.39  287.62
    8.00  -69.04   24.65  -81.84  331.83
    9.00  -69.38   39.65  -78.95    5.03
   10.00  -69.17   54.65  -74.60   24.06
   11.00  -68.97   69.65  -70.26   38.05
   12.00  -68.99   84.65  -66.40   50.47
   13.00  -69.24   99.65  -63.13   62.10
   14.00  -69.72  114.65  -60.58   73.07
   15.00  -70.43  129.65  -58.87   83.45
   16.00  -70.94  144.65  -57.60   93.08
   17.00  -70.64  159.65  -56.04  102.00
   18.00  -71.39  174.65  -56.02  111.40
   19.00  -70.76  189.65  -55.09  120.30
   20.00  -69.95  204.65  -54.53  129.44
   21.00  -68.54  219.65  -54.02  139.10
   22.00  -64.76  234.65  -51.92  150.50
   23.00  -62.28  249.65  -51.55  162.52
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.31  264.65  -56.57  171.41
    1.00  -66.52  279.65  -60.26  181.06
    2.00  -67.26  294.65  -63.95  191.04
    3.00  -74.30  309.65  -72.77  186.72
    4.00  -76.31  324.65  -77.24  187.26
    5.00  -77.30  339.65  -80.95  187.03
    6.00  -76.60  354.65  -84.43  195.25
    7.00  -75.47    9.65  -88.21  222.34
    8.00  -75.76   24.65  -87.66   37.49
    9.00  -75.92   39.65  -83.58   46.97
   10.00  -75.78   54.65  -79.51   52.85
   11.00  -75.99   69.65  -75.79   61.08
   12.00  -76.43   84.65  -72.57   69.66
   13.00  -76.32   99.65  -69.39   76.31
   14.00  -76.19  114.65  -66.63   83.22
   15.00  -76.07  129.65  -64.35   90.33
   16.00  -75.94  144.65  -62.56   97.65
   17.00  -75.64  159.65  -61.07  105.07
   18.00  -76.84  174.65  -61.53  113.40
   19.00  -77.06  189.65  -61.47  120.92
   20.00  -75.96  204.65  -60.52  128.56
   21.00  -73.54  219.65  -58.82  137.36
   22.00  -69.76  234.65  -56.53  148.07
   23.00  -67.28  249.65  -56.10  159.40
</PRE>


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