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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>
05 Apr 1997 22:11:15 yearsecs   8201475
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.00   98.12  -56.97   51.74
    1.00  -63.36  113.12  -54.34   64.45
    2.00  -63.97  128.12  -52.49   76.41
    3.00  -64.58  143.12  -51.27   87.55
    4.00  -64.30  158.12  -49.73   97.89
    5.00  -65.57  173.12  -50.21  108.70
    6.00  -65.90  188.12  -50.22  118.86
    7.00  -65.77  203.12  -50.37  128.85
    8.00  -66.47  218.12  -51.93  138.69
    9.00  -65.88  233.12  -52.78  148.96
   10.00  -65.49  248.12  -54.27  159.52
   11.00  -65.27  263.12  -56.29  170.34
   12.00  -65.31  278.12  -58.91  181.25
   13.00  -65.56  293.12  -62.14  192.20
   14.00  -66.05  308.12  -66.02  203.33
   15.00  -66.75  323.12  -70.37  215.24
   16.00  -67.69  338.12  -74.95  229.05
   17.00  -68.81  353.12  -79.47  247.40
   18.00  -68.81    8.12  -82.03  281.88
   19.00  -68.14   23.12  -81.05  326.19
   20.00  -66.85   38.12  -76.63  355.55
   21.00  -65.76   53.12  -71.38   13.88
   22.00  -64.61   68.12  -65.98   27.43
   23.00  -63.47   83.12  -60.90   39.38
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.28   98.12  -64.46   62.81
    1.00  -71.49  113.12  -62.58   74.57
    2.00  -72.54  128.12  -61.17   84.90
    3.00  -74.06  143.12  -60.86   94.95
    4.00  -76.88  158.12  -62.41  105.23
    5.00  -77.85  173.12  -62.62  113.11
    6.00  -77.14  188.12  -61.57  120.17
    7.00  -76.42  203.12  -60.95  127.70
    8.00  -77.37  218.12  -62.49  134.85
    9.00  -77.00  233.12  -63.14  142.45
   10.00  -77.03  248.12  -64.60  149.79
   11.00  -76.91  263.12  -66.34  157.25
   12.00  -76.64  278.12  -68.34  164.95
   13.00  -76.45  293.12  -70.80  172.48
   14.00  -76.62  308.12  -73.83  178.82
   15.00  -76.21  323.12  -76.85  186.99
   16.00  -76.11  338.12  -80.30  194.13
   17.00  -74.60  353.12  -83.54  214.41
   18.00  -74.44    8.12  -87.32  243.40
   19.00  -75.10   23.12  -87.89   16.95
   20.00  -74.44   38.12  -83.44   31.84
   21.00  -72.34   53.12  -77.84   33.99
   22.00  -71.41   68.12  -72.92   43.48
   23.00  -70.48   83.12  -68.19   52.51
</PRE>


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