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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>
15 Aug 1997 15:40:44 yearsecs  19582844
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.47  202.90  -47.13  128.92
    1.00  -64.10  217.90  -49.65  139.12
    2.00  -65.28  232.90  -52.21  149.06
    3.00  -69.00  247.90  -57.40  157.03
    4.00  -68.82  262.90  -59.39  167.05
    5.00  -69.62  277.90  -62.62  176.12
    6.00  -69.73  292.90  -65.67  186.01
    7.00  -70.21  307.90  -69.42  195.59
    8.00  -71.29  322.90  -73.88  204.20
    9.00  -71.55  337.90  -77.87  216.52
   10.00  -71.00  352.90  -81.24  238.18
   11.00  -70.48    7.90  -83.73  276.42
   12.00  -70.20   22.90  -83.36  329.34
   13.00  -70.15   37.90  -80.16    4.93
   14.00  -70.32   52.90  -76.18   25.83
   15.00  -70.71   67.90  -72.37   41.20
   16.00  -70.76   82.90  -68.50   52.99
   17.00  -70.38   97.90  -64.61   62.85
   18.00  -70.52  112.90  -61.68   73.02
   19.00  -69.86  127.90  -58.55   81.76
   20.00  -68.72  142.90  -55.54   90.27
   21.00  -68.57  157.90  -54.07   99.80
   22.00  -65.46  172.90  -50.11  108.51
   23.00  -63.67  187.90  -47.99  118.49
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.47  202.90  -52.02  128.58
    1.00  -69.10  217.90  -54.42  137.83
    2.00  -70.28  232.90  -56.84  146.70
    3.00  -76.65  247.90  -64.25  150.12
    4.00  -78.94  262.90  -67.96  153.74
    5.00  -79.51  277.90  -70.37  158.55
    6.00  -78.86  292.90  -72.27  165.81
    7.00  -77.89  307.90  -74.45  174.39
    8.00  -78.10  322.90  -77.52  178.44
    9.00  -78.00  337.90  -80.66  182.16
   10.00  -77.60  352.90  -83.98  184.92
   11.00  -77.46    7.90  -87.26  169.70
   12.00  -77.55   22.90  -87.44   85.64
   13.00  -77.13   37.90  -84.17   59.31
   14.00  -76.71   52.90  -80.30   57.89
   15.00  -76.23   67.90  -76.35   61.31
   16.00  -75.76   82.90  -72.51   66.67
   17.00  -75.38   97.90  -69.00   73.21
   18.00  -76.45  112.90  -67.13   82.87
   19.00  -76.26  127.90  -64.75   89.76
   20.00  -75.57  142.90  -62.37   96.38
   21.00  -73.57  157.90  -59.11  102.72
   22.00  -70.46  172.90  -55.15  110.04
   23.00  -68.67  187.90  -52.99  119.01
</PRE>


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