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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>
28 Aug 1997 16:25:00 yearsecs  20708700
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.79  188.28  -49.11  118.86
    1.00  -64.19  203.28  -48.83  129.07
    2.00  -65.23  218.28  -50.76  139.11
    3.00  -66.26  233.28  -53.16  148.90
    4.00  -66.08  248.28  -54.83  159.27
    5.00  -67.05  263.28  -57.90  168.94
    6.00  -67.19  278.28  -60.59  179.32
    7.00  -67.04  293.28  -63.46  190.35
    8.00  -67.70  308.28  -67.47  200.69
    9.00  -67.34  323.28  -70.90  214.21
   10.00  -66.92  338.28  -74.34  231.13
   11.00  -66.73  353.28  -77.61  253.67
   12.00  -66.77    8.28  -79.89  286.03
   13.00  -67.02   23.28  -79.78  325.32
   14.00  -67.51   38.28  -77.32  357.35
   15.00  -68.21   53.28  -74.02   19.83
   16.00  -69.15   68.28  -70.80   37.29
   17.00  -70.12   83.28  -67.82   51.83
   18.00  -69.91   98.28  -64.08   62.28
   19.00  -69.37  113.28  -60.48   71.69
   20.00  -68.32  128.28  -56.94   80.44
   21.00  -67.29  143.28  -54.04   89.48
   22.00  -66.31  158.28  -51.77   98.93
   23.00  -65.46  173.28  -50.09  108.78
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.31  188.28  -54.63  119.43
    1.00  -71.47  203.28  -55.99  128.45
    2.00  -72.57  218.28  -57.79  136.95
    3.00  -76.45  233.28  -62.63  142.97
    4.00  -78.83  248.28  -66.21  147.61
    5.00  -79.30  263.28  -68.29  153.25
    6.00  -78.68  278.28  -69.85  160.64
    7.00  -78.16  293.28  -71.92  167.97
    8.00  -78.67  308.28  -74.88  171.69
    9.00  -78.37  323.28  -77.68  177.27
   10.00  -78.57  338.28  -80.79  178.40
   11.00  -78.23  353.28  -83.95  178.40
   12.00  -78.21    8.28  -86.78  157.11
   13.00  -77.89   23.28  -87.11   89.67
   14.00  -77.84   38.28  -84.01   66.73
   15.00  -77.44   53.28  -80.38   62.78
   16.00  -77.55   68.28  -76.86   67.46
   17.00  -76.97   83.28  -73.20   70.82
   18.00  -77.13   98.28  -70.26   77.76
   19.00  -76.71  113.28  -67.29   83.57
   20.00  -75.78  128.28  -64.25   89.24
   21.00  -73.79  143.28  -60.58   94.78
   22.00  -72.07  158.28  -57.58  102.00
   23.00  -70.74  173.28  -55.41  110.37
</PRE>


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