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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>
04 Jun 1997 18:29:14 yearsecs  13372154
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.96  150.50  -49.96   92.37
    1.00  -63.81  165.50  -48.78  102.86
    2.00  -64.65  180.50  -49.06  113.52
    3.00  -65.49  195.50  -49.87  123.77
    4.00  -65.26  210.50  -50.24  133.85
    5.00  -66.37  225.50  -52.47  143.62
    6.00  -66.60  240.50  -54.30  153.62
    7.00  -66.46  255.50  -56.18  164.02
    8.00  -67.14  270.50  -59.16  173.89
    9.00  -66.66  285.50  -61.52  185.13
   10.00  -66.32  300.50  -64.45  196.84
   11.00  -66.06  315.50  -67.85  209.57
   12.00  -66.09  330.50  -71.68  224.01
   13.00  -66.35  345.50  -75.56  242.10
   14.00  -66.84    0.50  -79.03  267.55
   15.00  -67.54   15.50  -80.95  304.71
   16.00  -68.47   30.50  -80.18  344.88
   17.00  -69.52   45.50  -77.50   14.14
   18.00  -69.41   60.50  -73.19   30.76
   19.00  -68.80   75.50  -68.54   42.66
   20.00  -67.63   90.50  -63.63   52.48
   21.00  -66.58  105.50  -59.21   62.42
   22.00  -65.53  120.50  -55.30   72.28
   23.00  -64.54  135.50  -52.09   82.16
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.45  150.50  -55.55   95.61
    1.00  -70.63  165.50  -55.68  105.57
    2.00  -71.70  180.50  -56.16  114.97
    3.00  -74.62  195.50  -59.00  123.83
    4.00  -77.31  210.50  -62.07  131.16
    5.00  -78.02  225.50  -63.55  138.01
    6.00  -77.31  240.50  -64.08  145.78
    7.00  -76.66  255.50  -65.15  153.87
    8.00  -77.45  270.50  -67.80  159.80
    9.00  -77.17  285.50  -69.94  167.23
   10.00  -77.44  300.50  -72.80  172.99
   11.00  -77.18  315.50  -75.64  179.89
   12.00  -76.82  330.50  -78.75  187.17
   13.00  -76.53  345.50  -82.18  194.04
   14.00  -76.58    0.50  -85.87  195.12
   15.00  -76.18   15.50  -89.55  145.55
   16.00  -76.23   30.50  -86.10   48.34
   17.00  -75.22   45.50  -81.74   44.17
   18.00  -75.29   60.50  -77.73   53.27
   19.00  -75.46   75.50  -74.05   61.91
   20.00  -74.57   90.50  -69.93   67.27
   21.00  -72.44  105.50  -64.92   71.42
   22.00  -71.01  120.50  -60.83   78.47
   23.00  -69.85  135.50  -57.52   86.52
</PRE>


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