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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 Jul 1997 22:31:11 yearsecs  16669871
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.44   90.77  -61.27   49.06
    1.00  -65.59  105.77  -58.13   61.32
    2.00  -66.50  120.77  -56.26   73.48
    3.00  -67.43  135.77  -55.03   84.60
    4.00  -67.17  150.77  -53.21   94.36
    5.00  -68.00  165.77  -53.01  104.63
    6.00  -68.17  180.77  -52.59  114.38
    7.00  -68.84  195.77  -53.20  123.99
    8.00  -70.24  210.77  -55.08  133.14
    9.00  -70.65  225.77  -56.51  142.15
   10.00  -69.92  240.77  -57.35  151.84
   11.00  -69.32  255.77  -58.77  161.90
   12.00  -69.04  270.77  -60.86  172.07
   13.00  -69.05  285.77  -63.63  182.19
   14.00  -69.34  300.77  -67.07  192.17
   15.00  -69.90  315.77  -71.08  202.16
   16.00  -70.46  330.77  -75.28  213.38
   17.00  -70.50  345.77  -79.11  229.77
   18.00  -70.57    0.77  -82.64  256.04
   19.00  -69.83   15.77  -83.48  304.80
   20.00  -68.90   30.77  -80.57  346.61
   21.00  -68.08   45.77  -75.96   10.12
   22.00  -67.48   60.77  -71.17   26.04
   23.00  -66.61   75.77  -66.21   38.28
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.12   90.77  -67.82   61.55
    1.00  -73.28  105.77  -65.64   73.12
    2.00  -74.11  120.77  -63.76   82.88
    3.00  -79.24  135.77  -66.58   97.83
    4.00  -81.04  150.77  -66.99  106.28
    5.00  -81.47  165.77  -66.58  112.38
    6.00  -80.93  180.77  -65.56  117.86
    7.00  -80.12  195.77  -64.62  123.90
    8.00  -80.27  210.77  -65.07  130.20
    9.00  -80.21  225.77  -65.69  136.50
   10.00  -79.91  240.77  -66.48  143.02
   11.00  -79.88  255.77  -67.90  149.18
   12.00  -80.04  270.77  -69.78  154.67
   13.00  -79.80  285.77  -71.70  160.62
   14.00  -79.56  300.77  -73.95  166.19
   15.00  -79.33  315.77  -76.50  171.09
   16.00  -79.10  330.77  -79.31  174.74
   17.00  -78.86  345.77  -82.30  175.58
   18.00  -79.82    0.77  -84.50  156.05
   19.00  -80.04   15.77  -85.43  125.12
   20.00  -79.25   30.77  -84.91   88.61
   21.00  -77.55   45.77  -82.23   62.70
   22.00  -74.89   60.77  -77.44   51.53
   23.00  -73.29   75.77  -72.44   54.82
</PRE>


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