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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>
22 Jan 1997 13:20:44 yearsecs   1862444
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.59  229.35  -50.24  147.26
    1.00  -64.73  244.35  -53.08  157.32
    2.00  -65.53  259.35  -55.94  167.43
    3.00  -67.66  274.35  -60.30  176.03
    4.00  -67.25  289.35  -62.82  187.18
    5.00  -67.88  304.35  -66.68  197.35
    6.00  -67.75  319.35  -70.25  209.79
    7.00  -67.91  334.35  -74.19  224.12
    8.00  -68.81  349.35  -78.62  241.11
    9.00  -69.07    4.35  -81.83  270.86
   10.00  -68.83   19.35  -82.21  316.19
   11.00  -68.64   34.35  -79.50  353.29
   12.00  -68.68   49.35  -75.59   16.46
   13.00  -68.94   64.35  -71.67   33.16
   14.00  -69.42   79.35  -68.15   47.22
   15.00  -70.13   94.35  -65.17   59.90
   16.00  -70.85  109.35  -62.67   71.22
   17.00  -71.14  124.35  -60.35   80.99
   18.00  -71.22  139.35  -58.44   90.14
   19.00  -70.61  154.35  -56.40   98.75
   20.00  -69.76  169.35  -54.60  107.60
   21.00  -68.94  184.35  -53.30  116.81
   22.00  -67.04  199.35  -51.49  126.31
   23.00  -65.03  214.35  -50.27  136.49
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.59  229.35  -54.91  145.28
    1.00  -69.73  244.35  -57.61  154.23
    2.00  -70.53  259.35  -60.35  163.08
    3.00  -76.38  274.35  -67.55  163.62
    4.00  -78.52  289.35  -71.48  165.45
    5.00  -78.87  304.35  -74.25  169.72
    6.00  -77.98  319.35  -76.76  177.94
    7.00  -76.88  334.35  -79.65  188.15
    8.00  -77.05  349.35  -83.17  190.45
    9.00  -77.12    4.35  -86.69  183.38
   10.00  -77.08   19.35  -88.38   95.04
   11.00  -77.17   34.35  -85.05   60.72
   12.00  -77.51   49.35  -81.35   62.69
   13.00  -77.36   64.35  -77.70   65.29
   14.00  -77.27   79.35  -74.23   70.27
   15.00  -77.10   94.35  -71.00   75.97
   16.00  -77.05  109.35  -68.22   82.46
   17.00  -76.87  124.35  -65.78   89.01
   18.00  -77.95  139.35  -65.02   97.51
   19.00  -78.15  154.35  -63.93  104.56
   20.00  -77.19  169.35  -62.10  110.95
   21.00  -75.08  184.35  -59.51  117.88
   22.00  -72.04  199.35  -56.46  126.09
   23.00  -70.03  214.35  -55.08  135.38
</PRE>


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