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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>
03 Oct 1997 00:28:08 yearsecs  23761688
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.42   62.67  -69.49   25.58
    1.00  -66.43   77.67  -65.54   39.62
    2.00  -67.17   92.67  -62.64   53.40
    3.00  -67.89  107.67  -60.10   65.80
    4.00  -67.43  122.67  -56.89   75.76
    5.00  -67.99  137.67  -55.37   86.32
    6.00  -67.82  152.67  -53.71   96.00
    7.00  -68.07  167.67  -52.98  105.89
    8.00  -69.06  182.67  -53.44  115.77
    9.00  -69.34  197.67  -53.73  125.18
   10.00  -69.22  212.67  -54.19  134.53
   11.00  -69.02  227.67  -55.15  144.03
   12.00  -69.04  242.67  -56.79  153.61
   13.00  -69.30  257.67  -59.02  163.16
   14.00  -69.77  272.67  -61.82  172.48
   15.00  -70.48  287.67  -65.21  181.33
   16.00  -71.15  302.67  -68.94  190.02
   17.00  -71.29  317.67  -72.59  200.22
   18.00  -71.44  332.67  -76.46  211.94
   19.00  -70.81  347.67  -79.82  231.07
   20.00  -70.00    2.67  -82.47  263.25
   21.00  -69.22   17.67  -82.74  311.14
   22.00  -68.58   32.67  -79.82  349.76
   23.00  -67.65   47.67  -74.98   11.51
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.23   62.67  -75.85   45.60
    1.00  -74.28   77.67  -72.71   59.14
    2.00  -75.02   92.67  -69.80   69.59
    3.00  -79.83  107.67  -70.61   88.47
    4.00  -81.51  122.67  -69.92   97.44
    5.00  -81.89  137.67  -68.77  103.00
    6.00  -81.34  152.67  -67.15  107.37
    7.00  -80.52  167.67  -65.54  112.35
    8.00  -80.58  182.67  -65.17  118.50
    9.00  -80.55  197.67  -65.09  124.68
   10.00  -80.32  212.67  -65.18  130.98
   11.00  -80.33  227.67  -65.92  137.18
   12.00  -80.51  242.67  -67.18  143.03
   13.00  -80.32  257.67  -68.45  149.17
   14.00  -80.12  272.67  -70.08  155.17
   15.00  -79.93  287.67  -72.06  160.89
   16.00  -79.74  302.67  -74.35  166.12
   17.00  -79.54  317.67  -76.91  170.56
   18.00  -80.46  332.67  -79.68  166.73
   19.00  -80.68  347.67  -82.08  160.99
   20.00  -79.98    2.67  -84.63  152.09
   21.00  -78.38   17.67  -87.18  117.47
   22.00  -75.88   32.67  -85.48   43.61
   23.00  -74.35   47.67  -80.72   39.80
</PRE>


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