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    <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>
21 Mar 1997 13:24:00 yearsecs   6873840
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.35  233.54  -48.59  151.10
    1.00  -61.96  248.54  -51.09  161.88
    2.00  -62.57  263.54  -53.93  172.72
    3.00  -63.18  278.54  -57.09  183.66
    4.00  -62.56  293.54  -59.54  196.12
    5.00  -63.74  308.54  -64.07  207.11
    6.00  -64.45  323.54  -68.47  219.85
    7.00  -64.69  338.54  -72.41  236.18
    8.00  -65.26  353.54  -76.25  257.38
    9.00  -64.66    8.54  -77.64  289.21
   10.00  -64.24   23.54  -76.55  323.86
   11.00  -64.05   38.54  -73.28  351.30
   12.00  -64.09   53.54  -69.30   11.23
   13.00  -64.35   68.54  -65.57   27.37
   14.00  -64.83   83.54  -62.34   41.91
   15.00  -65.54   98.54  -59.62   55.55
   16.00  -66.47  113.54  -57.51   68.24
   17.00  -67.62  128.54  -56.20   79.94
   18.00  -67.63  143.54  -54.36   89.89
   19.00  -66.96  158.54  -52.41   99.41
   20.00  -65.51  173.54  -50.14  108.96
   21.00  -64.41  188.54  -48.73  119.00
   22.00  -63.05  203.54  -47.72  129.33
   23.00  -61.87  218.54  -47.58  140.08
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.86  233.54  -60.22  144.97
    1.00  -74.74  248.54  -62.62  152.50
    2.00  -75.66  263.54  -65.36  159.34
    3.00  -76.52  278.54  -68.32  165.39
    4.00  -78.60  293.54  -72.22  166.81
    5.00  -79.60  308.54  -75.30  168.22
    6.00  -79.39  323.54  -77.97  172.29
    7.00  -78.80  338.54  -80.84  176.90
    8.00  -79.36  353.54  -83.63  167.66
    9.00  -79.16    8.54  -85.98  146.98
   10.00  -79.03   23.54  -86.08  101.17
   11.00  -78.75   38.54  -83.72   75.62
   12.00  -78.39   53.54  -80.46   69.15
   13.00  -78.22   68.54  -77.05   70.71
   14.00  -78.17   83.54  -73.84   75.12
   15.00  -77.71   98.54  -70.64   79.42
   16.00  -77.53  113.54  -67.94   85.35
   17.00  -76.28  128.54  -64.69   90.09
   18.00  -76.05  143.54  -62.78   97.22
   19.00  -76.63  158.54  -62.13  105.24
   20.00  -76.19  173.54  -60.92  112.56
   21.00  -74.71  188.54  -59.08  120.07
   22.00  -74.37  203.54  -58.89  128.23
   23.00  -73.63  218.54  -58.84  136.70
</PRE>


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