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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>
23 Aug 1997 12:22:36 yearsecs  20262156
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.86  248.51  -50.06  162.44
    1.00  -62.53  263.51  -53.89  172.73
    2.00  -63.72  278.51  -57.57  183.12
    3.00  -68.06  293.51  -64.40  189.03
    4.00  -67.72  308.51  -67.54  200.84
    5.00  -68.41  323.51  -71.84  212.08
    6.00  -68.40  338.51  -75.64  227.61
    7.00  -68.81  353.51  -79.55  248.11
    8.00  -69.44    8.51  -82.73  281.51
    9.00  -69.62   23.51  -82.65  329.85
   10.00  -69.33   38.51  -79.19    2.96
   11.00  -69.07   53.51  -74.82   22.50
   12.00  -69.04   68.51  -70.64   37.22
   13.00  -69.24   83.51  -66.92   50.10
   14.00  -69.67   98.51  -63.79   62.01
   15.00  -70.32  113.51  -61.37   73.13
   16.00  -70.09  128.51  -58.70   82.39
   17.00  -69.63  143.51  -56.39   91.35
   18.00  -70.72  158.51  -56.21  101.35
   19.00  -70.44  173.51  -55.11  110.41
   20.00  -69.34  188.51  -53.66  119.47
   21.00  -67.42  203.51  -52.00  128.98
   22.00  -64.12  218.51  -49.72  139.53
   23.00  -62.17  233.51  -49.36  150.76
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.86  248.51  -54.66  159.56
    1.00  -67.53  263.51  -58.35  168.67
    2.00  -68.72  278.51  -61.96  177.66
    3.00  -75.45  293.51  -70.20  175.10
    4.00  -77.90  308.51  -74.57  174.61
    5.00  -78.43  323.51  -77.74  177.02
    6.00  -77.68  338.51  -80.76  184.31
    7.00  -76.59  353.51  -84.15  195.30
    8.00  -76.75    8.51  -87.77  183.12
    9.00  -76.67   23.51  -87.83   64.18
   10.00  -76.39   38.51  -83.98   51.36
   11.00  -76.34   53.51  -80.02   55.73
   12.00  -76.53   68.51  -76.35   62.90
   13.00  -76.18   83.51  -72.65   68.32
   14.00  -75.84   98.51  -69.24   74.62
   15.00  -75.45  113.51  -66.16   81.28
   16.00  -75.09  128.51  -63.58   88.39
   17.00  -74.63  143.51  -61.38   95.72
   18.00  -75.72  158.51  -61.23  104.55
   19.00  -75.76  173.51  -60.49  112.36
   20.00  -74.34  188.51  -58.71  120.01
   21.00  -72.42  203.51  -56.94  128.47
   22.00  -69.12  218.51  -54.49  138.21
   23.00  -67.17  233.51  -54.02  148.64
</PRE>


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