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    <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>
23 Apr 1997 23:35:17 yearsecs   9761717
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.49   75.22  -62.86   32.23
    1.00  -63.59   90.22  -59.38   45.79
    2.00  -64.32  105.22  -56.91   59.27
    3.00  -65.05  120.22  -54.85   71.59
    4.00  -64.80  135.22  -52.39   82.15
    5.00  -65.98  150.22  -52.05   93.30
    6.00  -66.26  165.22  -51.28  103.57
    7.00  -66.12  180.22  -50.55  113.61
    8.00  -66.81  195.22  -51.18  123.61
    9.00  -66.31  210.22  -51.24  133.49
   10.00  -65.87  225.22  -51.96  143.61
   11.00  -65.68  240.22  -53.42  153.92
   12.00  -65.71  255.22  -55.48  164.37
   13.00  -65.97  270.22  -58.09  174.83
   14.00  -66.45  285.22  -61.28  185.18
   15.00  -67.16  300.22  -65.11  195.36
   16.00  -68.09  315.22  -69.49  205.57
   17.00  -69.18  330.22  -74.16  216.52
   18.00  -69.12  345.22  -77.88  234.02
   19.00  -68.48    0.22  -80.59  262.66
   20.00  -67.25   15.22  -80.63  304.04
   21.00  -66.18   30.22  -77.67  339.78
   22.00  -65.08   45.22  -72.76    2.64
   23.00  -64.02   60.22  -67.40   18.44
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.30   75.22  -70.95   48.66
    1.00  -72.43   90.22  -68.22   61.89
    2.00  -73.43  105.22  -65.87   73.06
    3.00  -75.50  120.22  -65.13   84.76
    4.00  -78.06  135.22  -65.55   95.80
    5.00  -78.84  150.22  -64.90  103.41
    6.00  -78.19  165.22  -63.31  109.60
    7.00  -77.55  180.22  -62.11  116.40
    8.00  -78.35  195.22  -62.80  123.67
    9.00  -78.09  210.22  -62.85  130.77
   10.00  -78.18  225.22  -63.69  137.77
   11.00  -77.98  240.22  -64.67  144.96
   12.00  -77.77  255.22  -66.06  152.21
   13.00  -77.57  270.22  -67.86  159.45
   14.00  -77.68  285.22  -70.25  165.88
   15.00  -77.31  300.22  -72.67  173.28
   16.00  -77.27  315.22  -75.62  179.42
   17.00  -76.11  330.22  -78.43  190.65
   18.00  -76.05  345.22  -82.01  197.54
   19.00  -76.42    0.22  -85.81  197.61
   20.00  -75.69   15.22  -89.73  239.30
   21.00  -73.71   30.22  -85.19   12.76
   22.00  -72.58   45.22  -80.25   26.97
   23.00  -71.57   60.22  -75.23   37.38
</PRE>


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