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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>
26 Sep 1997 13:53:36 yearsecs  23205216
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.98  222.72  -49.00  142.77
    1.00  -63.35  237.72  -50.97  153.30
    2.00  -63.96  252.72  -53.53  163.76
    3.00  -64.56  267.72  -56.42  174.28
    4.00  -64.29  282.72  -58.88  185.76
    5.00  -65.56  297.72  -63.16  195.75
    6.00  -65.89  312.72  -67.01  207.44
    7.00  -65.77  327.72  -70.70  221.72
    8.00  -66.15  342.72  -74.73  238.66
    9.00  -65.87  357.72  -77.61  263.91
   10.00  -65.46   12.72  -78.65  298.52
   11.00  -65.26   27.72  -77.08  333.50
   12.00  -65.30   42.72  -73.67  359.56
   13.00  -65.55   57.72  -69.88   18.63
   14.00  -66.04   72.72  -66.39   34.42
   15.00  -66.74   87.72  -63.38   48.69
   16.00  -67.67  102.72  -60.90   61.88
   17.00  -68.80  117.72  -59.11   73.95
   18.00  -68.80  132.72  -56.82   83.80
   19.00  -68.13  147.72  -54.46   92.96
   20.00  -66.83  162.72  -52.00  102.13
   21.00  -65.74  177.72  -50.23  111.86
   22.00  -64.59  192.72  -48.94  121.87
   23.00  -63.45  207.72  -48.33  132.20
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.16  222.72  -58.67  139.26
    1.00  -74.28  237.72  -61.02  146.99
    2.00  -75.25  252.72  -63.57  154.20
    3.00  -76.58  267.72  -66.71  160.02
    4.00  -79.02  282.72  -70.75  161.57
    5.00  -79.90  297.72  -73.61  164.11
    6.00  -79.40  312.72  -75.97  170.07
    7.00  -79.04  327.72  -78.71  174.71
    8.00  -79.67  342.72  -81.57  170.25
    9.00  -79.35  357.72  -84.35  163.97
   10.00  -79.39   12.72  -86.06  134.30
   11.00  -79.18   27.72  -85.42   93.07
   12.00  -78.85   42.72  -82.81   74.31
   13.00  -78.64   57.72  -79.55   71.01
   14.00  -78.72   72.72  -76.33   74.10
   15.00  -78.32   87.72  -73.08   77.10
   16.00  -78.17  102.72  -70.22   82.31
   17.00  -76.82  117.72  -66.69   85.83
   18.00  -76.62  132.72  -64.48   92.60
   19.00  -77.15  147.72  -63.46  100.44
   20.00  -76.57  162.72  -61.82  107.29
   21.00  -74.77  177.72  -59.34  114.23
   22.00  -73.99  192.72  -58.35  122.30
   23.00  -73.26  207.72  -57.92  130.74
</PRE>


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