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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>
30 Apr 1997 15:27:45 yearsecs  10337265
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.49  204.54  -50.15  129.82
    1.00  -66.39  219.54  -51.96  139.65
    2.00  -67.23  234.54  -54.19  149.30
    3.00  -68.06  249.54  -56.78  158.78
    4.00  -67.73  264.54  -58.70  169.19
    5.00  -68.44  279.54  -61.91  178.71
    6.00  -68.45  294.54  -64.95  189.18
    7.00  -68.92  309.54  -68.78  199.42
    8.00  -70.15  324.54  -73.46  208.71
    9.00  -70.42  339.54  -77.48  222.48
   10.00  -70.08  354.54  -80.88  245.20
   11.00  -69.67    9.54  -83.07  284.11
   12.00  -69.52   24.54  -82.39  332.61
   13.00  -69.62   39.54  -79.21    5.70
   14.00  -69.97   54.54  -75.40   26.42
   15.00  -70.56   69.54  -71.79   42.15
   16.00  -71.14   84.54  -68.44   55.08
   17.00  -71.21   99.54  -65.02   65.45
   18.00  -71.30  114.54  -62.13   75.16
   19.00  -70.60  129.54  -59.05   83.56
   20.00  -69.72  144.54  -56.38   92.06
   21.00  -68.90  159.54  -54.30  101.02
   22.00  -68.31  174.54  -52.92  110.41
   23.00  -66.85  189.54  -51.17  119.89
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.49  204.54  -55.06  129.31
    1.00  -71.67  219.54  -57.00  138.01
    2.00  -72.47  234.54  -59.03  146.43
    3.00  -78.06  249.54  -65.67  149.19
    4.00  -79.99  264.54  -68.98  152.42
    5.00  -80.41  279.54  -71.18  156.87
    6.00  -79.72  294.54  -73.00  163.75
    7.00  -78.69  309.54  -75.12  172.01
    8.00  -78.77  324.54  -78.03  175.56
    9.00  -78.76  339.54  -81.05  177.08
   10.00  -78.53  354.54  -84.13  174.71
   11.00  -78.59    9.54  -86.61  149.10
   12.00  -78.84   24.54  -86.13   96.95
   13.00  -78.65   39.54  -83.54   74.10
   14.00  -78.46   54.54  -80.24   69.65
   15.00  -78.27   69.54  -76.85   71.19
   16.00  -78.07   84.54  -73.58   75.14
   17.00  -77.87   99.54  -70.57   80.25
   18.00  -78.98  114.54  -68.96   88.87
   19.00  -79.26  129.54  -67.26   95.32
   20.00  -78.45  144.54  -65.00  100.46
   21.00  -76.59  159.54  -62.03  105.71
   22.00  -73.67  174.54  -58.33  112.11
   23.00  -71.85  189.54  -56.18  120.34
</PRE>


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