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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>
17 Jul 1997 16:29:40 yearsecs  17080180
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.73  189.97  -48.06  119.93
    1.00  -63.93  204.97  -48.65  130.25
    2.00  -64.69  219.97  -50.39  140.40
    3.00  -65.45  234.97  -52.60  150.42
    4.00  -65.28  249.97  -54.34  160.96
    5.00  -66.55  264.97  -57.73  170.57
    6.00  -66.93  279.97  -60.69  180.82
    7.00  -66.96  294.97  -63.76  191.72
    8.00  -67.81  309.97  -67.97  201.83
    9.00  -67.44  324.97  -71.42  215.60
   10.00  -66.74  339.97  -74.59  233.68
   11.00  -66.38  354.97  -77.61  257.57
   12.00  -66.28    9.97  -79.47  290.93
   13.00  -66.43   24.97  -78.86  328.74
   14.00  -66.81   39.97  -76.12  358.47
   15.00  -67.43   54.97  -72.72   19.74
   16.00  -68.28   69.97  -69.49   36.69
   17.00  -69.29   84.97  -66.61   51.34
   18.00  -69.17   99.97  -62.98   62.21
   19.00  -68.27  114.97  -59.07   71.43
   20.00  -67.22  129.97  -55.58   80.53
   21.00  -66.22  144.97  -52.78   89.89
   22.00  -65.19  159.97  -50.51   99.56
   23.00  -64.19  174.97  -48.75  109.60
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.23  189.97  -57.57  120.71
    1.00  -74.26  204.97  -58.82  129.03
    2.00  -75.18  219.97  -60.43  136.84
    3.00  -76.97  234.97  -63.27  143.39
    4.00  -79.30  249.97  -66.80  147.69
    5.00  -80.05  264.97  -69.07  152.47
    6.00  -79.52  279.97  -70.67  159.29
    7.00  -79.01  294.97  -72.69  166.11
    8.00  -79.78  309.97  -75.61  167.82
    9.00  -79.57  324.97  -78.26  171.56
   10.00  -79.63  339.97  -81.07  171.12
   11.00  -79.45  354.97  -83.83  165.69
   12.00  -79.20    9.97  -86.08  142.94
   13.00  -78.98   24.97  -85.95   97.19
   14.00  -79.05   39.97  -83.32   77.52
   15.00  -78.69   54.97  -80.16   71.20
   16.00  -78.64   69.97  -76.88   73.06
   17.00  -77.56   84.97  -73.20   73.53
   18.00  -77.51   99.97  -70.23   79.48
   19.00  -77.61  114.97  -67.78   86.13
   20.00  -77.17  129.97  -65.33   92.11
   21.00  -75.35  144.97  -61.95   97.22
   22.00  -74.34  159.97  -59.74  104.37
   23.00  -73.45  174.97  -58.08  112.27
</PRE>


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