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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>
12 Apr 1997 12:19:21 yearsecs   8770761
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.41  248.41  -50.56  162.08
    1.00  -62.01  263.41  -53.40  173.03
    2.00  -62.62  278.41  -56.57  184.08
    3.00  -63.22  293.41  -60.11  195.27
    4.00  -62.62  308.41  -63.02  208.50
    5.00  -63.81  323.41  -67.85  220.77
    6.00  -64.50  338.41  -72.20  236.39
    7.00  -64.82  353.41  -75.80  258.02
    8.00  -65.33    8.41  -78.36  288.19
    9.00  -64.70   23.41  -77.09  323.84
   10.00  -64.28   38.41  -73.58  351.44
   11.00  -64.09   53.41  -69.34   11.09
   12.00  -64.13   68.41  -65.35   26.87
   13.00  -64.39   83.41  -61.87   41.09
   14.00  -64.87   98.41  -58.94   54.51
   15.00  -65.58  113.41  -56.61   67.12
   16.00  -66.51  128.41  -55.07   78.82
   17.00  -67.67  143.41  -54.41   89.83
   18.00  -67.67  158.41  -53.14   99.67
   19.00  -67.00  173.41  -51.65  109.30
   20.00  -65.56  188.41  -49.88  119.03
   21.00  -64.46  203.41  -49.09  129.14
   22.00  -63.10  218.41  -48.74  139.71
   23.00  -61.93  233.41  -49.13  150.78
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.27  248.41  -61.29  153.86
    1.00  -74.18  263.41  -64.09  161.33
    2.00  -75.10  278.41  -67.21  168.01
    3.00  -75.98  293.41  -70.54  173.78
    4.00  -78.06  308.41  -74.62  174.00
    5.00  -79.01  323.41  -77.87  174.14
    6.00  -78.66  338.41  -80.82  177.83
    7.00  -78.05  353.41  -84.02  180.13
    8.00  -78.71    8.41  -86.37  151.18
    9.00  -78.54   23.41  -86.54   97.08
   10.00  -78.44   38.41  -83.84   72.76
   11.00  -78.18   53.41  -80.47   67.77
   12.00  -77.84   68.41  -76.94   68.85
   13.00  -77.69   83.41  -73.60   73.36
   14.00  -77.67   98.41  -70.63   79.24
   15.00  -77.22  113.41  -67.70   84.65
   16.00  -77.06  128.41  -65.42   91.21
   17.00  -75.83  143.41  -62.57   96.91
   18.00  -75.67  158.41  -61.18  104.46
   19.00  -76.25  173.41  -60.98  112.52
   20.00  -75.78  188.41  -60.17  120.14
   21.00  -74.23  203.41  -58.75  128.18
   22.00  -73.84  218.41  -59.03  136.55
   23.00  -73.06  233.41  -59.47  145.41
</PRE>


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