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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>
21 Oct 1997 18:56:20 yearsecs  25383380
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.16  144.28  -51.76   88.73
    1.00  -64.41  159.28  -49.76   98.74
    2.00  -65.52  174.28  -50.12  109.47
    3.00  -66.62  189.28  -50.94  119.70
    4.00  -66.44  204.28  -51.07  129.56
    5.00  -67.35  219.28  -52.86  139.21
    6.00  -67.44  234.28  -54.36  149.02
    7.00  -67.30  249.28  -56.06  159.14
    8.00  -67.97  264.28  -58.87  168.79
    9.00  -67.67  279.28  -61.20  179.47
   10.00  -67.26  294.28  -63.87  190.76
   11.00  -67.07  309.28  -67.18  202.58
   12.00  -67.11  324.28  -70.96  215.62
   13.00  -67.36  339.28  -74.96  231.28
   14.00  -67.85  354.28  -78.85  252.50
   15.00  -68.55    9.28  -81.86  285.74
   16.00  -69.47   24.28  -82.38  331.75
   17.00  -70.39   39.28  -80.03    8.21
   18.00  -70.15   54.28  -75.64   26.74
   19.00  -69.62   69.28  -70.99   39.39
   20.00  -68.61   84.28  -66.12   49.41
   21.00  -67.62   99.28  -61.60   59.22
   22.00  -66.69  114.28  -57.60   69.04
   23.00  -65.87  129.28  -54.29   78.85
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.33  144.28  -57.02   92.37
    1.00  -71.45  159.28  -56.89  102.22
    2.00  -72.52  174.28  -57.18  111.56
    3.00  -76.88  189.28  -61.29  120.71
    4.00  -79.16  204.28  -63.76  127.73
    5.00  -79.53  219.28  -64.67  134.22
    6.00  -78.90  234.28  -65.02  141.32
    7.00  -78.38  249.28  -65.92  148.65
    8.00  -78.80  264.28  -68.01  154.58
    9.00  -78.51  279.28  -69.88  161.44
   10.00  -78.73  294.28  -72.42  166.70
   11.00  -78.39  309.28  -74.94  173.07
   12.00  -78.45  324.28  -77.90  177.11
   13.00  -78.13  339.28  -80.97  181.43
   14.00  -78.05  354.28  -84.21  179.74
   15.00  -77.68    9.28  -87.35  161.30
   16.00  -77.85   24.28  -86.97   85.90
   17.00  -77.49   39.28  -83.81   62.77
   18.00  -77.78   54.28  -80.21   65.21
   19.00  -77.27   69.28  -76.51   66.52
   20.00  -76.24   84.28  -72.52   68.87
   21.00  -74.25   99.28  -67.79   71.37
   22.00  -72.33  114.28  -63.16   76.52
   23.00  -70.87  129.28  -59.36   83.69
</PRE>


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