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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 May 1997 22:50:49 yearsecs  12955849
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.17   84.11  -60.33   39.81
    1.00  -63.36   99.11  -57.16   53.05
    2.00  -64.05  114.11  -54.88   65.95
    3.00  -64.72  129.11  -53.13   77.75
    4.00  -64.45  144.11  -51.04   88.16
    5.00  -65.66  159.11  -51.05   99.18
    6.00  -65.83  174.11  -50.44  109.44
    7.00  -65.86  189.11  -50.18  119.52
    8.00  -66.43  204.11  -51.05  129.45
    9.00  -66.12  219.11  -51.67  139.44
   10.00  -65.61  234.11  -52.64  149.75
   11.00  -65.41  249.11  -54.34  160.27
   12.00  -65.45  264.11  -56.61  170.90
   13.00  -65.71  279.11  -59.45  181.55
   14.00  -66.20  294.11  -62.91  192.12
   15.00  -66.91  309.11  -67.00  202.72
   16.00  -67.85  324.11  -71.54  213.89
   17.00  -68.96  339.11  -76.24  226.72
   18.00  -68.92  354.11  -79.78  248.81
   19.00  -68.26    9.11  -81.54  285.79
   20.00  -67.00   24.11  -79.64  327.31
   21.00  -65.92   39.11  -75.33  355.27
   22.00  -64.79   54.11  -69.98   13.14
   23.00  -63.69   69.11  -64.65   26.79
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.83   84.11  -66.38   49.72
    1.00  -70.08   99.11  -64.06   63.14
    2.00  -71.17  114.11  -62.09   74.71
    3.00  -73.22  129.11  -61.69   86.29
    4.00  -76.15  144.11  -62.81   97.60
    5.00  -77.06  159.11  -62.52  105.85
    6.00  -76.29  174.11  -61.00  112.89
    7.00  -75.66  189.11  -60.04  120.48
    8.00  -76.54  204.11  -61.10  128.18
    9.00  -76.54  219.11  -61.72  135.75
   10.00  -77.00  234.11  -63.22  142.94
   11.00  -76.78  249.11  -64.50  150.57
   12.00  -76.49  264.11  -66.13  158.38
   13.00  -76.27  279.11  -68.23  166.15
   14.00  -76.40  294.11  -70.95  173.08
   15.00  -75.97  309.11  -73.67  181.39
   16.00  -75.89  324.11  -76.93  188.79
   17.00  -74.50  339.11  -79.90  203.90
   18.00  -74.38  354.11  -83.71  217.33
   19.00  -74.81    9.11  -87.78  239.57
   20.00  -73.95   24.11  -86.88  357.86
   21.00  -71.59   39.11  -81.17   13.52
   22.00  -70.27   54.11  -75.80   26.98
   23.00  -69.14   69.11  -70.58   38.00
</PRE>


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