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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>
09 Oct 1997 12:58:04 yearsecs  24325084
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.04  233.42  -48.29  151.13
    1.00  -61.67  248.42  -50.81  161.95
    2.00  -62.30  263.42  -53.66  172.83
    3.00  -62.92  278.42  -56.84  183.81
    4.00  -62.23  293.42  -59.21  196.39
    5.00  -63.37  308.42  -63.71  207.51
    6.00  -64.16  323.42  -68.18  220.20
    7.00  -64.49  338.42  -72.20  236.42
    8.00  -65.02  353.42  -75.99  257.66
    9.00  -64.44    8.42  -77.39  289.17
   10.00  -64.02   23.42  -76.31  323.51
   11.00  -63.83   38.42  -73.04  350.81
   12.00  -63.87   53.42  -69.06   10.72
   13.00  -64.12   68.42  -65.34   26.87
   14.00  -64.61   83.42  -62.12   41.45
   15.00  -65.31   98.42  -59.41   55.14
   16.00  -66.25  113.42  -57.30   67.90
   17.00  -66.88  128.42  -55.45   79.17
   18.00  -66.73  143.42  -53.46   89.19
   19.00  -66.74  158.42  -52.19   99.22
   20.00  -65.26  173.42  -49.89  108.82
   21.00  -64.15  188.42  -48.48  118.90
   22.00  -62.75  203.42  -47.43  129.27
   23.00  -61.58  218.42  -47.29  140.06
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.11  233.42  -54.88  148.14
    1.00  -68.99  248.42  -57.46  157.38
    2.00  -69.97  263.42  -60.48  166.25
    3.00  -70.85  278.42  -63.75  174.81
    4.00  -73.43  293.42  -68.71  179.56
    5.00  -74.61  308.42  -72.70  185.15
    6.00  -74.17  323.42  -75.88  195.22
    7.00  -73.66  338.42  -79.30  207.75
    8.00  -74.22  353.42  -83.45  218.00
    9.00  -74.24    8.42  -87.26  248.19
   10.00  -74.26   23.42  -87.28  359.85
   11.00  -74.06   38.42  -83.15   28.93
   12.00  -73.78   53.42  -78.77   41.08
   13.00  -73.76   68.42  -74.69   51.61
   14.00  -73.83   83.42  -70.97   61.20
   15.00  -73.38   98.42  -67.21   69.01
   16.00  -73.30  113.42  -64.23   77.55
   17.00  -71.88  128.42  -60.48   84.31
   18.00  -71.73  143.42  -58.52   93.01
   19.00  -72.45  158.42  -57.95  102.32
   20.00  -71.81  173.42  -56.49  110.81
   21.00  -69.78  188.42  -54.10  119.46
   22.00  -69.22  203.42  -53.76  128.76
   23.00  -67.97  218.42  -53.38  138.48
</PRE>


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