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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 Jul 1997 17:46:08 yearsecs  17257568
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.12  165.82  -49.08  103.20
    1.00  -65.24  180.82  -49.65  113.85
    2.00  -66.10  195.82  -50.48  123.99
    3.00  -67.43  210.82  -52.36  133.70
    4.00  -67.07  225.82  -53.15  143.59
    5.00  -67.76  240.82  -55.40  153.18
    6.00  -67.68  255.82  -57.33  163.29
    7.00  -67.78  270.82  -59.78  173.46
    8.00  -68.64  285.82  -63.29  182.78
    9.00  -68.67  300.82  -66.52  193.36
   10.00  -68.47  315.82  -69.96  205.29
   11.00  -68.28  330.82  -73.60  219.43
   12.00  -68.32  345.82  -77.36  237.37
   13.00  -68.58    0.82  -80.79  263.72
   14.00  -69.06   15.82  -82.63  305.19
   15.00  -69.76   30.82  -81.48  349.42
   16.00  -70.53   45.82  -78.37   18.26
   17.00  -70.97   60.82  -74.54   35.87
   18.00  -70.98   75.82  -70.50   48.25
   19.00  -70.39   90.82  -66.24   57.90
   20.00  -69.50  105.82  -62.07   66.82
   21.00  -68.64  120.82  -58.42   75.83
   22.00  -67.21  135.82  -54.80   84.45
   23.00  -65.34  150.82  -51.34   93.34
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.12  165.82  -54.13  105.11
    1.00  -70.24  180.82  -54.67  114.84
    2.00  -71.10  195.82  -55.46  124.03
    3.00  -76.54  210.82  -61.32  131.57
    4.00  -78.71  225.82  -64.24  137.68
    5.00  -79.06  240.82  -65.71  144.05
    6.00  -78.24  255.82  -66.53  151.80
    7.00  -77.21  270.82  -67.66  160.39
    8.00  -77.35  285.82  -70.12  166.95
    9.00  -77.11  300.82  -72.67  174.12
   10.00  -76.92  315.82  -75.59  181.01
   11.00  -76.96  330.82  -78.87  186.55
   12.00  -77.29  345.82  -82.36  188.12
   13.00  -77.13    0.82  -85.87  186.87
   14.00  -77.08   15.82  -88.61  127.58
   15.00  -76.89   30.82  -85.97   58.78
   16.00  -76.93   45.82  -82.16   57.70
   17.00  -76.74   60.82  -78.32   60.82
   18.00  -77.68   75.82  -75.22   70.55
   19.00  -77.74   90.82  -72.12   76.39
   20.00  -76.83  105.82  -68.65   80.37
   21.00  -74.85  120.82  -64.45   84.03
   22.00  -72.21  135.82  -59.84   89.00
   23.00  -70.34  150.82  -56.42   96.40
</PRE>


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