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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>
19 Sep 1997 22:01:50 yearsecs  22629710
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.21   98.99  -59.17   55.45
    1.00  -64.47  113.99  -55.35   66.33
    2.00  -65.57  128.99  -54.02   78.39
    3.00  -66.67  143.99  -53.33   89.52
    4.00  -66.48  158.99  -51.89   99.48
    5.00  -67.38  173.99  -52.00  109.79
    6.00  -67.46  188.99  -51.78  119.59
    7.00  -67.33  203.99  -51.93  129.30
    8.00  -68.01  218.99  -53.46  138.84
    9.00  -67.72  233.99  -54.58  148.70
   10.00  -67.33  248.99  -56.06  158.93
   11.00  -67.13  263.99  -58.08  169.36
   12.00  -67.17  278.99  -60.71  179.86
   13.00  -67.42  293.99  -63.95  190.32
   14.00  -67.91  308.99  -67.81  200.89
   15.00  -68.61  323.99  -72.13  212.05
   16.00  -69.53  338.99  -76.66  224.82
   17.00  -70.43  353.99  -81.04  242.72
   18.00  -70.20    8.99  -83.56  280.92
   19.00  -69.67   23.99  -82.64  331.39
   20.00  -68.67   38.99  -78.38    1.66
   21.00  -67.68   53.99  -73.26   19.24
   22.00  -66.76   68.99  -68.15   32.42
   23.00  -65.95   83.99  -63.44   44.20
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.13   98.99  -66.88   68.83
    1.00  -74.10  113.99  -64.87   79.19
    2.00  -75.03  128.99  -63.45   88.56
    3.00  -78.81  143.99  -65.39  100.67
    4.00  -80.76  158.99  -66.21  109.11
    5.00  -81.09  173.99  -65.90  115.26
    6.00  -80.59  188.99  -65.10  121.10
    7.00  -80.16  203.99  -64.78  127.38
    8.00  -80.57  218.99  -65.69  133.44
    9.00  -80.40  233.99  -66.41  139.69
   10.00  -80.65  248.99  -67.86  145.29
   11.00  -80.49  263.99  -69.29  151.21
   12.00  -80.42  278.99  -71.12  156.66
   13.00  -80.12  293.99  -73.12  162.30
   14.00  -80.02  308.99  -75.52  166.62
   15.00  -79.70  323.99  -78.10  170.79
   16.00  -79.81  338.99  -80.86  170.04
   17.00  -79.50  353.99  -83.64  166.10
   18.00  -79.76    8.99  -85.46  141.89
   19.00  -79.35   23.99  -85.73  102.51
   20.00  -78.41   38.99  -83.72   72.07
   21.00  -76.65   53.99  -80.00   57.90
   22.00  -74.91   68.99  -75.31   56.34
   23.00  -73.61   83.99  -70.66   60.93
</PRE>


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