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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>
27 Jan 1997 17:24:48 yearsecs   2309088
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.74  173.68  -49.35  108.85
    1.00  -65.89  188.68  -50.21  119.24
    2.00  -66.65  203.68  -51.25  129.16
    3.00  -67.90  218.68  -53.34  138.67
    4.00  -67.44  233.68  -54.28  148.63
    5.00  -68.00  248.68  -56.61  158.26
    6.00  -67.82  263.68  -58.64  168.52
    7.00  -68.07  278.68  -61.43  178.58
    8.00  -69.05  293.68  -65.27  187.64
    9.00  -69.42  308.68  -68.97  197.78
   10.00  -69.23  323.68  -72.54  210.31
   11.00  -69.03  338.68  -76.19  226.00
   12.00  -69.06  353.68  -79.81  247.56
   13.00  -69.31    8.68  -82.61  282.35
   14.00  -69.79   23.68  -82.81  330.75
   15.00  -70.50   38.68  -80.29    7.68
   16.00  -71.17   53.68  -76.72   29.74
   17.00  -71.30   68.68  -72.68   43.61
   18.00  -71.46   83.68  -68.94   55.23
   19.00  -70.83   98.68  -64.86   64.19
   20.00  -70.02  113.68  -61.05   72.84
   21.00  -69.24  128.68  -57.81   81.62
   22.00  -68.09  143.68  -54.82   90.32
   23.00  -66.21  158.68  -51.64   99.15
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.74  173.68  -54.39  110.29
    1.00  -70.89  188.68  -55.22  119.73
    2.00  -71.65  203.68  -56.18  128.66
    3.00  -77.46  218.68  -62.60  135.09
    4.00  -79.44  233.68  -65.48  140.55
    5.00  -79.82  248.68  -67.12  146.41
    6.00  -79.03  263.68  -68.13  153.90
    7.00  -77.86  278.68  -69.33  162.64
    8.00  -77.86  293.68  -71.81  168.97
    9.00  -77.77  308.68  -74.54  175.11
   10.00  -77.48  323.68  -77.48  181.56
   11.00  -77.48  338.68  -80.77  185.64
   12.00  -77.86  353.68  -84.12  181.99
   13.00  -77.73    8.68  -87.21  162.52
   14.00  -77.60   23.68  -87.26   83.84
   15.00  -77.47   38.68  -83.96   62.76
   16.00  -77.33   53.68  -80.27   62.18
   17.00  -77.18   68.68  -76.61   65.89
   18.00  -78.40   83.68  -73.93   76.01
   19.00  -78.74   98.68  -71.32   82.34
   20.00  -77.94  113.68  -68.26   86.28
   21.00  -76.06  128.68  -64.46   89.84
   22.00  -73.09  143.68  -59.85   94.36
   23.00  -71.21  158.68  -56.69  101.73
</PRE>


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